Our point is at -5, 3. -5 represents its x coordinate, and 3 represents its y coordinate. 3 units right makes it -2, while 2 units down makes it 1. Final coords of the point are (-2,1).
Answer:
given point is (-5,3)
right unit means positive and down unit means negative so,
image of (-5,3)---------->(-5+3-2,3+3-2)
=>(-7+3,6-2)
=>(-4,4) ANS.
URGENT WILL GIVE 20 POINTS AND BRAINLIEST:
If the BASE ANGLES of an isosceles triangle ARE 44 degrees, what is the measure of the VERTEX ANGLE?
Answer:
92 degrees
Step-by-step explanation:
2(44)= 88
180-88= 92
The radius of a circle can be calculated from the measurements of the length L of a chord and the distance h from the chord to the circumference of the circle from the equation R = L2/2h + h/2. Calculate the radius and its uncertainty from the following values of L and h.
(a) L = (125.0 ± 5.0) cm, h = (0.51 ± 0.22) cm
(b) L = (125.0 ± 5.0) cm, h = (57.4 ± 1.2) cm
Was it necessary to use the second term to calculate R in both (a) and (b)? Explain.
The radius and its uncertainty of circle from the following values of L and h. L = (125.0 ± 5.0) cm, h = (0.51 ± 0.22) cm and L = (125.0 ± 5.0) cm, h = (57.4 ± 1.2) cm are (12232.9 ± 209.4) cm and (143.1 ± 1.3) cm respectively.
We can use the given equation to calculate the radius of the circle using the values of L and h:
R = L^2 / 2h + h / 2
Substituting the given values with uncertainties, we get:
R = (125.0 cm ± 5.0 cm)^2 / (2 × 0.51 cm ± 0.22 cm) + (0.51 cm ± 0.22 cm) / 2
R = 15158.4 cm^2 / 1.24 cm ± 6.16 cm^2 / cm
R = (12232.9 ± 209.4) cm
Therefore, the radius of the circle is approximately 12232.9 cm with an uncertainty of ±209.4 cm.
We can see that the second term of the equation (h/2) contributes to the final value of the radius. Therefore, it was necessary to use this term in the calculation of R.
Using the same equation with the given values of L and h, we get:
R = L^2 / 2h + h / 2
R = (125.0 cm ± 5.0 cm)^2 / (2 × 57.4 cm ± 1.2 cm) + (57.4 cm ± 1.2 cm) / 2
R = 15158.4 cm^2 / 114.2 cm ± 1.16 cm^2 / cm
R = (143.1 ± 1.3) cm
Therefore, the radius of the circle is approximately 143.1 cm with an uncertainty of ±1.3 cm.
In this case, the second term of the equation (h/2) is much smaller than the first term (L^2/2h) and contributes only a small amount to the final value of the radius. Therefore, in this case, it was not strictly necessary to include the second term in the calculation of R. However, including it can still help to more accurately represent the uncertainty in the final result.
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Ik the answer I just want make sure I’m correct
Answer:
2
3,0
Step-by-step explanation:
a compressor has a bore of 8 centimeters and a stroke of 10 centimeters. what is the displacement of the compressor?
The displacement of the compressor is 628 cubic centimeters. Other factors that affect the performance of a compressor include its operating pressure, flow rate, efficiency, and power consumption.
To find the displacement of the compressor, we need to use the formula:
Displacement = (pi/4) x bore^2 x stroke
Here, the bore is 8 centimeters and the stroke is 10 centimeters. So, substituting these values in the formula, we get:
Displacement = (pi/4) x 8^2 x 10
Displacement = (3.14/4) x 64 x 10
Displacement = 628.32 cubic centimeters
A compressor is a mechanical device that is used to increase the pressure of a gas or air by reducing its volume. It works by compressing the gas or air in a cylinder and then transferring it to a storage tank or other equipment. The displacement of a compressor is a measure of the volume of gas or air that is displaced or compressed during one complete cycle of the compressor. Therefore, the displacement of the compressor is 628 cubic centimeters. This means that during one complete cycle of the compressor, it displaces or compresses 628 cubic centimeters of gas or air. The displacement is an important parameter of a compressor, as it determines its capacity or the amount of gas or air that it can compress in a given time.
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The displacement of the compressor is 160π cubic centimeters.
Explanation:To find the displacement of the compressor, we first need to understand what displacement means. Displacement is the change in position of an object in a specific direction. In this case, the compressor has a bore of 8 centimeters and a stroke of 10 centimeters. The displacement of the compressor can be calculated as the product of the bore area (πr^2) and the stroke length.
First, we need to find the radius of the bore. Since the diameter is 8 centimeters, the radius would be half of that, which is 4 centimeters.Now, we can calculate the displacement by multiplying the bore area (πr^2) and the stroke length. The bore area is π(4^2) and the stroke length is 10 centimeters. Plugging in these values, we get:Displacement = π(4^2) * 10 = 16π * 10 = 160π cubic centimeters.
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The given lengths are two sides of a right triangle. All three sides of the triangle form a Pythagorean Triple. Find the length of the third side and tell whether it is a leg or the hypotenuse. 9 and 41
Answer:
40, leg
Step-by-step explanation:
The triangle has side lengths of 9, 40, and 41.
41 is the hypotenuse, so 40 is a leg.
Water is fundamental for life and environment and water crisis is one of the most important challenges of the 215 century. Ensuring that we use water more wisely, more productively, and less profligately will be one of the defining challenges of this century (Chartres & Varma, 2010) If all public services collaborate to address the water scarcity problem, then the governments will be able to provide a planning framework to manage the water usage and boost awareness of water crisis. Unfortunately, there is a lack of planning frameworks or there are not enough campaigns to raise awareness on water crisis. Therefore, there is no efficient collaboration among various public sectors to address the water shortage problem. Reference: Chartres, C., & Varma, S. (2010). Out of water: from abundance to scarcity and how to solve the world's water problems. FT Press. For this question, please read Chapter 3 (Logic) of your book1. Making a truth table is also explained in the Logic Slides Part 1 and 2). Step 1) Break the premises into several statements (usually denoted by p. q r, etc....) Step 2) Express the premises and conclusion symbolically Step 3) Construct a truth table United States) Accessibility: Good to go Focus W O
Based on the passage you provided, it seems like you are being asked to apply principles of logic and construct a truth table based on the premises and conclusion presented in the passage. To accomplish this, you need to follow the three steps outlined:
Step 1: Break the premises into several statements (usually denoted by p, q, r, etc.)
From the passage, we can identify the following statements:
- Statement 1: Water is fundamental for life and the environment.
- Statement 2: Water crisis is one of the most important challenges of the 21st century.
- Statement 3: Ensuring that we use water more wisely, more productively, and less profligately will be one of the defining challenges of this century.
- Statement 4: If all public services collaborate to address the water scarcity problem, then the governments will be able to provide a planning framework to manage water usage and boost awareness of the water crisis.
- Statement 5: There is a lack of planning frameworks or there are not enough campaigns to raise awareness of the water crisis.
- Statement 6: Therefore, there is no efficient collaboration among various public sectors to address the water shortage problem.
Step 2: Express the premises and conclusion symbolically.
Using the statements identified above, we can symbolically represent them as follows:
- p: Water is fundamental for life and the environment.
- q: Water crisis is one of the most important challenges of the 21st century.
- r: Ensuring that we use water more wisely, more productively, and less profligately will be one of the defining challenges of this century.
- s: All public services collaborate to address the water scarcity problem.
- t: Governments will be able to provide a planning framework to manage water usage and boost awareness of the water crisis.
- u: There is a lack of planning frameworks or there are not enough campaigns to raise awareness of the water crisis.
- v: There is no efficient collaboration among various public sectors to address the water shortage problem.
Step 3: Construct a truth table.
To construct a truth table, assign truth values (T or F) to each statement and evaluate the truth value of the conclusion based on the truth values of the premises
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Revision 1. Find the value of the variable that makes these number sentences true: a) h+8=19 b) 2p-6=4 c) y = 12 2. Substitute the value for x in order to find the value of y in the following: a) y=3x+2 ifx=8 b) y=4x-1 ifx=! c) y=0,2x+5 ifx=10 d) y = 10x+12 if x=0,3 3. Write the following as number sentences: a) The difference between two numbers is 25 b) The product of 5 and p is equal to the quotient of q and 2 c) The difference between 14 and 2y is equal to 6 d) The product of 15 and 4 is equal to four less than the sum of x and y. that represent these word problems.
1. The values which the given number sentences true are:
a) 11 b) 5 c) 36
2. After substituting the value of x we get the value for y as :
a) 6 b) 0 c) 7 d) 15
3. The number sentences are :
a) x ₋ y = 25
b) 5 × p = q ÷ 2
c) 2y ₋ 14 = 6
d) 15 × 4 = 4 ₋ (x₊y)
Given in the first bit we need to find the variables:
a) h ₊ 8 = 19
arrange the constants on one side.
h = 19 ₋ 8
h = 11
b) 2p ₋ 6 = 4
arrange the constants on one side.
2p = 4 ₊ 6
2p = 10
p = 10/2
p = 5
c) 1/3 y = 12
cross multiply.
y = 36
Now in the second exercise we are asked to substitute the x value and get the value of y.
a) y = 3x ₊ 2 if x =8
substitute x value in the equation.
y = 3(8) ₊ 2
y = 24 ₊ 2
y = 26
b) y = 4x ₋ 1 if x = 1/4
y = 4(1/4) ₋ 1
y = 1 ₋ 1
y = 0
c) y = 0.2x ₊ 5 if x = 10
y = 0.2(10) ₊ 5
y = 2 ₊ 5
y = 7
d) y = 10x ₊ 12 if x = 0.3
y = 10(0.3) ₊ 12
y = 3 ₊ 12
y = 15
In the last third bit we need to frame equations for the given word problems.
a) The difference between two numbers is 25.
let the two numbers be x and y.
x ₋ y = 25.
b) The product of 5 and p is equal to quotient of q and 2.
5 × p = q ÷ 2
c) The difference between 14 and 2y is equal to 6.
2y ₋ 14 = 6
d) The product of 15 and 4 is equal to four less than the sum of x and y.
15 × 4 = 4 ₋ (x₊y)
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Which equation can be used to find the measure of angle BAC? tan−1(StartFraction 5 Over 12 EndFraction) = x tan−1(StartFraction 12 Over 5 EndFraction) = x cos−1(StartFraction 12 Over 13 EndFraction) = x cos−1(StartFraction 13 Over 12 EndFraction) = x
Answer:
tan−1(StartFraction 12 Over 5 EndFraction) = x
Step-by-step explanation:
The measure of the angle x in the right triangle ABC is equal to
Scenario A) Using cos
Cos x=adjacent/hypotenuse
=AC/AB
=5/13
x=cos x^-1=5/13
Scenario B) using sin
Sin x=opposite/hypotenuse
=BC/AB
=12/13
x=sin x^-1=12/13
Scenario C). Using tan
tan x=opposite/adjacent
=BC/AC
=12/5
x=tan x^-1=12/5
tan−1(StartFraction 12 Over 5 EndFraction) = x
The correct answer is option B which is \(tan^-1(\dfrac{12}{5})=x\)
What is trigonometry?Trigonometry is the branch of mathematics which set up a relationship between the sides and angle of the right-angle triangles.
The measure of the angle x in the right triangle ABC is equal to
Scenario A)
Using cos
Cos x =adjacent/hypotenuse
Cos x = AC/AB
Cos x = 5/13
x = cos x^-1 = 5/13
Scenario B)
using sin
Sin x = opposite/hypotenuse
Sin x = BC/AB
Sin x = 12/13
x=sin x^-1=12/13
Scenario C).
Using tan
tan x =opposite/adjacent
tan x =BC/AC
tan x =12/5
x = tan x^-1=12/5
From the figure attached, we can see that the angle BAC will be\(tan^-1(\dfrac{12}{5})=x\).
Therefore the correct answer is option B which is \(tan^-1(\dfrac{12}{5})=x\)
The complete image of the triangle is attached with the answer below.
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Please help!!!! Need the answers fast
The value of x in the triangle STV is 12 and the value of x in WYZ is 20 degrees
Isosceles triangle is a triangle in which the two sides and their angles are equal
SV=TV from the triangle STV
2x+6 = 3x-6
Take the variables on one side and constants on other side
6+6=3x-2x
12=x
So the value of x is 12
In the triangle WYZ
3x=60
Divide both sides by 3
x=20 degrees
Hence, the value of x in the triangle STV is 12 and the value of x in WYZ is 20 degrees
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Sarah and Nathan each picked a bucket of strawberries. Sarah picked 4 pounds, and Nathan picked 3 pounds. How much more did Sarah pick than Nathan?
1 1/2 pounds
2 pounds
1 pound
1/2 pound
Therefore , the solution of the given problem of fraction comes out to be "1 pound" is the right response.
A fraction is what?Any combination of sections of the same size can be used to represent the whole. Quantity is described as "a portion" under a particular measurement in Standard English. 8, 3/4. Fractions are included in wholes. These act as the ratio divisor, which is a pair of integers in mathematical words. Here are a couple of examples showing how to change straightforward halves into entire numbers.
Here,
Nathan picked 3 pounds of strawberries compared to Sarah's 4 pounds. We can deduct Nathan's picking from Sarah's picking to see how much more Sarah picked than Nathan.
=>Sarah's picking and Nathan's picking =
=> 4 pounds - 3 pounds = 1 pound, respectively.
This means that Sarah harvested 1 pound more strawberries than Nathan did.
Therefore, "1 pound" is the right response.
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solve -1/8y ≤ 34. then graph the solution.
Answer:
Multiply each term in −1/8y≤34 by −8. When multiplying or dividing both sides of an inequality by a negative value, flip the direction of the inequality sign.
−1/8y x −8 ≥ 34 x −8 Simplify −1/8y x −8
y ≥ 34 x −8
Multiply 34 by −8.
y≥−272
Step-by-step explanation:
how much variance between two variables has been explained by a correlation of .9?
A correlation of .9 indicates that 81% of the variance between two variables has been explained.
Correlation measures the strength of the relationship between two variables. A perfect positive correlation is 1.0, indicating that the two variables move in the same direction together. A perfect negative correlation is -1.0, indicating that the two variables move in opposite directions. A correlation of 0 indicates no relationship between the two variables.
To determine the proportion of variance explained by a correlation, you need to square the correlation coefficient (in this case, 0.9). This is called the coefficient of determination (R^2). So, you calculate:
R^2 = (0.9)^2 = 0.81
Thus, a correlation of 0.9 explains 81% of the variance between the two variables.
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Hello solve this with steps please
Answer: \(x^{2} -5x+3\\\)
Step-by-step explanation:
Please help find the value of t?
Step-by-step explanation:
volume=8448m²
volume=l×b×h
=11m×8m×t
=88m²×t
therefore, 88m²×t=8448m²
t= 8448/88
= 96
Check:-
volume= l×b×h
=11m×8m×96
=8448m³
Our answer is correct
6. Inverse distance weighting: What is it for? Why is it better than just an average? (5)
Inverse distance weighting is a useful tool for estimating values at unsampled locations in geostatistics. Another advantage of inverse distance weighting is that it allows for the incorporation of multiple variables into the estimation process.
Inverse distance weighting is a method used in geostatistics to estimate values at unsampled locations based on values at surrounding sample locations. It works by assigning weights to the sample points based on their proximity to the unsampled point. The closer a sample point is to the unsampled point, the higher its weight. The weights are then used to calculate a weighted average of the sample values, which is used as the estimate for the unsampled location.
The benefit of inverse distance weighting over a simple average is that it takes into account the spatial variability of the data. A simple average treats all sample points equally, regardless of their distance from the unsampled point. This can lead to inaccurate estimates if there is a high degree of spatial variability in the data. In contrast, inverse distance weighting gives more weight to sample points that are closer to the unsampled point, which is likely to provide a more accurate estimate.
Another advantage of inverse distance weighting is that it allows for the incorporation of multiple variables into the estimation process. For example, if there are two variables of interest (e.g., temperature and precipitation), inverse distance weighting can be used to estimate values for both variables simultaneously. This is not possible with a simple average.
Overall, inverse distance weighting is a useful tool for estimating values at unsampled locations in geostatistics. Its ability to account for spatial variability and incorporate multiple variables makes it a powerful technique for analyzing spatial data.
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Solve 0.5y+y/3=0.25y+7
please answer this question
Answer:
y = 28
Step-by-step explanation:
0.5y + y/ 3 = 0.25y + 7
1.5y / 3 = 0.25y + 7
y/2 = 0.25y + 7
y = ( 0.25y + 7)*2
y = 0.5y + 14
y - 0.5y = 14
0.5y = 14
y = 14/0.5
y = 28
In January, Jeff bought three rabbits. By February, the rabbit population
had doubled. By March, Jeff noticed that the population of the rabbits
had doubled again. How many rabbits will Jeff have by May?
Answer:
Jeff will have 48 rabbits by May
[100 PTS] (I NEED A ANSWER QUICK!)
Given the equation 3x + 15 = 84:
Part A: Write a short word problem about a purchase made to illustrate the equation. (6 points)
Part B: Solve the equation showing all work. (4 points)
Part C: Explain what the value of the variable represents. (2 points)
Answer:
Alex has 3x dollars and an extra 15 dollars in his coat pocket. He buys a new Nike shoe for 84 dollars. How much money did Alex spend that was not in his pocket.
Step-by-step explanation:
Answer:
Part A: Word problem
Maria went to the store and purchased some books for her book club. Each book cost $3, and she also bought some bookmarks at $15 each. Maria's total purchase, including tax, amounted to $84. If Maria bought x books, write an equation to represent the situation.
Part B: Solution
To solve the equation 3x + 15 = 84, we need to isolate the variable x on one side of the equation.
Step 1: Subtract 15 from both sides of the equation to eliminate the constant term on the left side:
3x + 15 - 15 = 84 - 15
3x = 69
Step 2: Divide both sides of the equation by 3 to isolate x:
3x/3 = 69/3
x = 23
So, the solution to the equation is x = 23.
Part C: Explanation
In the given equation 3x + 15 = 84, the variable x represents the number of books Maria purchased. The equation states that the cost of x books at $3 each, represented by 3x, plus the cost of $15 for bookmarks, totals to $84. Thus, the value of x represents the number of books Maria bought in this scenario. In the solution, x = 23, it means Maria purchased 23 books for her book club.
Step-by-step explanation:
Drag the red and blue dots along the x-axis and y-axis to graph
Answer:
Step-by-step explanation:
assuming that this relationship is linear, write an equation of the form p= mx+b that relates the price to the number of recliners sold
Answer: p = (-1/3)x + 700
Step-by-step explanation:
To find the equation of the line that relates the price of the recliners to the number sold, we need to use the two given data points: (p=300, x=600) and (p=275, x=675).
We know that the equation of a line in slope-intercept form is y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope, and b is the y-intercept. The slope formula is (y2-y1)/(x2-x1).
In this case, the dependent variable is the price (p) and the independent variable is the number of recliners sold (x). So we want to find the equation p = mx + b.
First, we need to find the slope (m) of the line. The slope is given by:
m = (change in p) / (change in x)
m = (275 - 300) / (675 - 600)
m = -25 / 75
m = -1/3
Next, we can use one of the given data points and the slope to find the y-intercept (b) of the line. Let's use the point (300, 600):
600 = (-1/3) * 300 + b
600 = -100 + b
b = 700
Therefore, the equation that relates the price of the recliners to the number sold is:
p = (-1/3)x + 700.
Find the solution to the system. Write your solution as an ordered pair (x,y)
with no spaces, no solution, or infinitely many. 3x-2y=9 and x-y=5 *
Answer:
3x-2y=9 and x-y=5 *
0x0.3
Step-by-step explanation:
Answer:
3x-2y=9 and x-y=5
Step-by-step explanation:
1. Simplify (3 marks) \[ 2 \sin ^{2} x+2 \cos ^{2} x+\frac{\tan x \cos x}{\sin x} \] 2. Prove the following identity (5 marks) \[ \frac{1}{\sec x-\tan x}-\frac{1}{\sec x+\tan x}=\frac{2}{\cot x} \]
1. The simplified form is 3.
2. By manipulation and simplification, both sides are equal to 2tan(x), proving the identity.
1. To simplify the expression \(2\sin^2 x + 2\cos^2 x + \frac{\tan x \cos x}{\sin x}\), we start by using the Pythagorean identity \(\sin^2 x + \cos^2 x = 1\) to rewrite the expression as \(2(1-\cos^2 x) + 2\cos^2 x + \frac{\tan x \cos x}{\sin x}\). Simplifying further, we get \(2 + \frac{\tan x \cos x}{\sin x}\). Using the identity \(\tan x = \frac{\sin x}{\cos x}\), we simplify \(\frac{\tan x \cos x}{\sin x}\) to \(1\). Therefore, the simplified form of the expression is \(2 + 1 = 3\).
2. To prove the identity \(\frac{1}{\sec x-\tan x}-\frac{1}{\sec x+\tan x}=\frac{2}{\cot x}\), we multiply the numerator and denominator of the first fraction by \(\sec x + \tan x\) and the numerator and denominator of the second fraction by \(\sec x - \tan x\). After simplification, we obtain \(\frac{2\tan x}{\sec^2 x - \tan^2 x}\). Using the Pythagorean identity \(\sec^2 x = 1 + \tan^2 x\), we further simplify the expression to \(\frac{2\tan x}{1}\), which equals \(2\tan x\). This matches the right-hand side of the identity, \(\frac{2}{\cot x}\). Therefore, the left-hand side is equal to the right-hand side, and the identity is proven.
1. The simplified form is 3. (2. )By manipulation and simplification, both sides are equal to 2tan(x), proving the identity.
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Gordon types 2,046 in 31 minutes. Find the unit rate
Answer:
the unit rate would be 66 units per minute
Step-by-step explanation:
2,046/31 = 66
13 points if someone gets it right.
You spin this spinner twice.
1 polka-dot section, 2 white sections, 1 shaded section
Whta is the probability of the spinner stopping at a polka- dot section and then say stopping a solid white section? Write your answer as a fraction
The probability of the spinner stopping at a polka-dot section and then stopping at a solid white section is 1/8.
The probability of the spinner stopping at a polka-dot section and then stopping at a solid white section is 1/4.A spinner is a gambling tool used for games and competitions. Spinning games are frequently based on chance, and players frequently wager money or other objects on the result.
When it stops, a pointer will land on one of many different numbered segments of the spinner, each of which corresponds to a particular reward or consequence. Spinning games are frequently based on chance, and players frequently wager money or other objects on the result. Probability is the study of the likelihood of events taking place.
Probability is expressed as a fraction, decimal, or percentage and is always between 0 and 1. The probability of an event can be calculated using the following formula: Probability = number of favorable outcomes / total number of possible outcomes. Given the spinner has a polka-dot section, 2 white sections, and 1 shaded section, it has a total of 4 sections.
Therefore, the probability of the spinner stopping at a polka-dot section is 1/4.Also, after the first spin, the spinner still has 2 white sections. Therefore, the probability of stopping at a solid white section is 2/4 or 1/2 (since there are only 2 possible outcomes after the first spin).
To determine the probability of the spinner stopping at a polka-dot section and then stopping at a solid white section, we must multiply the probability of each event.1/4 × 1/2 = 1/8
Hence, the probability of the spinner stopping at a polka-dot section and then stopping at a solid white section is 1/8.
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Find the volume of this sphere.
Use 3 for TT.
7cm
Va [?]cm³
3
V = πr³
Answer:
Step-by-step explanation:
To find the volume of a sphere, we use the formula:
V = (4/3) * π * r^3
where r is the radius of the sphere.
We are given that the radius of the sphere is 7 cm and we can use 3 as an approximation for π. Substituting these values in the formula, we get:
V = (4/3) * 3 * 7^3
V = (4/3) * 3 * 343
V = 4 * 343
V = 1372
Therefore, the volume of the sphere is 1372 cubic centimeters.
Consider the following function. f(x) = sec(x), a = 0, n = 2, −0.1 ≤ x ≤ 0.1
(a) Approximate f by a Taylor polynomial with degree n at the number a.
T2(x) =
(b) Use Taylor's Inequality to estimate the accuracy of the approximation
f(x) ≈ Tn(x)
when x lies in the given interval. (Round your answer to six decimal places.)
|R2(x)| ≤
a) The Taylor polynomial of degree 2 for f(x) = sec(x) centered at a = 0 is:
T2(x) = 1 + 0(x-0) + (1/2)(2)(x-0)^2
T2(x) = 1 + x^2
b) The interval is [-0.1,0.1], we can take the maximum value of |x| to be 0.1. Thus,
|R2(x)| ≤ 0.25229 (rounded to six decimal places).
(a) The Taylor polynomial of degree 2 for f(x) = sec(x) centered at a = 0 is given by:
T2(x) = f(a) + f'(a)(x-a) + (1/2)f''(a)(x-a)^2
Since a=0 and f(x) = sec(x), we have:
f(0) = sec(0) = 1
f'(x) = sec(x)tan(x)
f'(0) = sec(0)tan(0) = 0
f''(x) = sec(x)tan^2(x) + sec(x)
f''(0) = sec(0)tan^2(0) + sec(0) = 2
Therefore, the Taylor polynomial of degree 2 for f(x) = sec(x) centered at a = 0 is:
T2(x) = 1 + 0(x-0) + (1/2)(2)(x-0)^2
T2(x) = 1 + x^2
(b) Taylor's Inequality states that if |f^(n+1)(c)| ≤ M for all x in the interval [a,x] and some constant M, then the remainder term Rn(x) satisfies the inequality:
|Rn(x)| ≤ M/[(n+1)!]|x-a|^(n+1)
In this case, we need to estimate the maximum value of the third derivative of f(x) = sec(x) on the interval [-0.1,0.1]. We have:
f'''(x) = sec(x)[3tan^2(x)+sec^2(x)]
Since sec(x) is always positive and increasing on the interval, we only need to consider the maximum value of 3tan^2(x)+sec^2(x) on the interval. This occurs at x = 0.1, and we have:
3tan^2(0.1)+sec^2(0.1) ≈ 9.025
So, we can take M = 9.025.
Using n = 2 and a = 0 in Taylor's Inequality, we get:
|R2(x)| ≤ 9.025/[(2+1)!]|x-0|^(2+1)
|R2(x)| ≤ 9.025/6|x|^3
Since the interval is [-0.1,0.1], we can take the maximum value of |x| to be 0.1. Thus,
|R2(x)| ≤ 0.25229 (rounded to six decimal places).
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the mayor of a town believes that under 46% of the residents favor construction of an adjoining bridge. is there sufficient evidence at the 0.05 level to support the mayor's claim? after information is gathered from 190 voters and a hypothesis test is completed, the mayor fails to reject the null hypothesis at the 0.05 level. what is the conclusion regarding the mayor's claim?
Since the null hypothesis was not rejected, there is not enough evidence to conclude that under 46% of the residents favor construction of an adjoining bridge.
What is the relation between the decision and the conclusion?There are two decisions possible regarding the null hypothesis, as follows;
Reject the null hypothesis.Do not reject the null hypothesis.The hypothesis are given as follows:
Null hypothesis: proportion is not under 46%.Alternative hypothesis: proportion is under 46%.The null hypothesis was not rejected, meaning that the conclusion regarding the mayor's claim is that there is not enough evidence from the sample of 190 voters to conclude that the percentage is below 46%.
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16.5 is 12% of what number?
Answer:
Let's set up an equation;
12/100 * x = 16.5
where 12/100 is 12%
x is the number of the 12%
that would equal 16.5
So solve for x;
12/100 * x = 16.5
12/100x = 16.5
0.12x = 16.5
/0.12 /0.12
x = 137.5
find median of data 7 5 2 11 14 6 8 12 10
pls fast..
Answer:
the median is 8
Step-by-step explanation:
hope this helps!
2,5,6,7,8,10,11,12,14
Answer:
8
Step-by-step explanation:
Rearrange to 2 5 6 7 8 10 11 12 14 in ascending order
Take the center number
Find the area of a triangle with base of 10 inches and altitude to the base of 16 inches. 135 in 2 160 in 2 80 in 2
For a triangle with base of 10 inches and altitude of 16 inches, its area will be 80 in² (third option).
Calculation For the Area of the Triangle:
It is given that,
The base of the triangle, B = 10 inches
The altitude from the base of the triangle or height, H = 16 inches
Now, the formula used for finding the area of a triangle is given as follows,
Area, A = (1/2) × B × H
Substituting the given values of B and H in the above formula for area, we get,
A = (1/2) × (10 inches) × (16 inches)
A = 5 × 16 inches²
A = 80 inches²
Thus, the area of the triangle have base 10 inches and altitude 16 inches is 80 square inches.
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