Answer:
√x+3-13
Step-by-step explanation:
This answer is a radical equation because a square root is used in the equation. This makes the equation radical. The other choices have no square roots so they can't be the answers.
How do I turn this limit into a definite integral? Could you go step by step please
(The xi's are "x sub i" not "x times i")
To turn the specified limit, which is a Riemann sum, within the known interval, [2, 6], and variable, \(x_i\), to a definite integral, the value, Δx is dx as n approaches infinity, to get;
\(\displaystyle \lim\limits_{n\to \infty}\sum\limits^n_{i=1}x_i\cdot \ln \left(1+x_i^2 \right) \Delta x, [2, \,6] = \int\limits^6_2 {x\cdot \ln \left(1+x_i^2 \right)} \, dx\)
What is a Riemann sum?A Riemann sum is an approximation of an integral, which is the area of a region, by making use of the sum of simplified slices that make up the region.
A definite integral is a calculation used to find the area under a graph of a function by making use of very small or infinitesimal stripes of the region under the graph of the function.
The expression in the question is a Riemann sum
\(\lim\limits_{n \to \infty} \sum\limits_{i=1}^n x_i\cdot ln \left(1 + x_i^2 \right) \Delta x, [2, 6]\)
The Riemann sum can be converted into a definite integral, using the equation, \(\displaystyle{\lim\limits_{n \to \infty} \sum\limits_{i=1}^n f(x_i)\Delta x = \int\limits^b_a {f(x)} \, dx }\)as follows;
The value of Δx is the value which values in the parenthesis are multiplying on the left, therefore; Δx is replaced with dx, as n → ∞
The limits of the Riemann sum in the question = [2, 6]
\(f(x_i) = x_i \cdot \ln\left(1 + x_i^2 \right)\), therefore, \(f(x) = x \cdot \ln\left(1 + x^2 \right)\)
Plugging in the the above values into the expression for the Riemann sum, we get the following definite integral;
\(\displaystyle{\lim\limits_{n \to \infty} \sum\limits_{i=1}^n x_i\cdot \ln \left(1 + x_i^2 \right) \Delta x, [2, 6] = \int\limits^6_2 {x\cdot \ln\left(1 + x^2\right)} \, dx\)
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31. (05.08 MC)
What is the equation for a geometric sequence with a first term of 3 and a second term of -9?
Answer:
\(a_n=3(-3)^{n-1}\)
Step-by-step explanation:
Geometric sequence
General form of a geometric sequence: \(a_n=ar^{n-1}\)
where:
\(a_n\) is the nth terma is the first termr is the common ratioGiven:
\(a_1=3\)\(a_2=-9\)To find the common ratio r, divide consecutive terms:
\(\implies r=\dfrac{a_2}{a_1}=\dfrac{-9}{3}=-3\)
Therefore, the equation is:
\(a_n=3(-3)^{n-1}\)
Write an expression that is equivalent to 4(w+3) -2
Steps to solve:
4(w + 3) - 2
~Disribute
4w + 12 - 2
~Combine like terms
4w + 10
Best of Luck!
Find the common factors and the highest common factor of each of the following
a. 6, 8 and 10
b. 4, 8 and 12
c. 10, 15 and 20
d. 6, 12 and 24
e. 8, 12 and 16
f. 13, 26 and 39
h. 16, 32 and 40
g. 12, 14 and 16
i. 16, 56 and 64
j. 8,24 and 40
k. 7, 35 and 42
l. 22,44 and 66
A central angle measuring 150 degrees is in a circle of radius 2 meyers. Find the length of the arc of the circle subtended by the angle
a. 2 meters
b. 5pi/3 meters
c.300 meters
d. 2pi meters
c.2pi/2 meters
The length of the arc of the circle subtended by the angle is option (b) 5π/3 meters.
Arc length is the length of a portion of the circumference of a circle. It is the distance along the curved line that makes up the circle's boundary, measured in linear units
The length of the arc of a circle subtended by a central angle can be found using the formula
arc length = (central angle / 360°) × 2πr
where r is the radius of the circle.
Substituting the given values, we get
arc length = (150° / 360°) × 2π(2 meters)
arc length = (5/12) × 2π(2 meters)
arc length = (5/3)π meters
Therefore, the correct option is (b) (5/3)π meters
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A rats angular section of wilderness will be set aside as a new wildlife refuge its dimensions are 5×10 5 m x 4×10 4 m find the area of the land
The area of a rectangle can be calculated with the following expression:
\(A=\text{width}\cdot\text{height}\)In this case, we have the width and height given in scientific notation, which means they have a power of 10. In order to multiply two numbers represented in this manner, we need to make both powers have the same exponent, this is done by adding one zero on the first notation.
\(undefined\)How long will it take for $3000 to grow to $11,700 at an interest rate of 6.3% if the
interest is compounded continuously? Round the number of years to the nearest
hundredth.
A) 0.83
B) 2160.28
C) 21.60
D) 2.16
Answer:
Step-by-step explanation:
Using A=P(1+r/n)^nt
Where,
P = principal amount (the initial amount you borrow or deposit), in this case $3000
r = annual rate of interest (as a decimal), in this case 0.06
t = number of years the amount is deposited or borrowed for, in this case we don't know it
A = amount of money accumulated after n years, including interest, in this case $21000
n = number of times the interest is compounded per year, in this case 12
This gives us 21,000=3,000(1+0.06/12)^12t
After simplification, 7=(1.005)^12t
By taking the logarithm of both sides,
Log7=Log1.005^12t
12t = Log 7/Log 1.005
12t =390.1545
This gives us 32.5months
write and solve an inequality to find the possible values of x
The inequality that represents the value of x is (b) x > 80
Writing and solving the inequality for xfrom the question, we have the following parameters that can be used in our computation:
The figure
The general rule is that
The larger the side length, the larger the angle opposite it
using the above as a guide, we have the following:
1/8x > 10
So, we have
x > 80
Hence, the inequality is x > 80
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please help!!! only 20 mins left
The rule of (x, y) → (-x, y), which is reflection over y-axis.
Given that, ΔABC maps to triangle ΔA'B'C'.
What is the reflection on y-axis?When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is taken to be the additive inverse. The reflection of point (x, y) across the y-axis is (-x, y).
The coordinate points of ΔABC are A(-4, 3), B(-3, -3) and C(1, 2) and the coordinate points of ΔA'B'C' are A'(4, 3), B'(3, -3) and C'(-1, 2).
Here, A(-4, 3) → A'(4, 3), x-coordinate is negated and y-coordinate remains same.
Similarly, B(-3, -3) → B'(3, -3) and C(1, 2) → C'(-1, 2) follows the same pattern.
From this, it is clear that the coordinates of triangle ABC is reflected on y-axis.
Therefore, the rule of (x, y) → (-x, y), which is reflection over y-axis.
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GIVING BRAINLIST ON TIMER
✏️VOLUME
Solution:
Figure #1.
Since the given is a rectangular prism, use the formula:
V = lwhWhere:
l - lengthw - widthh - heightGiven:
l = 15 in.w = 6 in.h = 8 in.» Substitute the givens on the formula.
V = lwhV = (15 in.)(6 in.)(8 in.)V = (90 in.²)(18 in.)V = 1 620 in.³Therefore, the volume of the rectangular prism is 1 620 in.³
Figure #2
Since the given a cube, use the formula:
e³Where:
e - edgeGiven:
e = 9 in.» Substitute the given on the formula.
e³(9 in.)³(9 in.)(9 in.)(9 in.)729 in.³Therefore, the volume of the cube is 729 in.³
Figure #3
Since the given is a cylinder, use the formula:
V = πr²hWhere:
π - pi (3.14)r - radiush - heightGiven:
r = 8 in.h = 14 in.» Substitute the givens on the formula.
V = πr²hV = (3.14)(8 in.)(14 in.)V = (25.12 in.)(14 in.)V = 351.68 in.³Therefore, the volume of the cylinder is 351.68 in.³
Answer:
Number #1
1 620 in.³Number #2
729 in.³Number #3
351.68 in.³•••••••••••••••••••••••••••••••••••••••••••••••••
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Find the probability of 5 or fewer Mexican-Americans among 12 jurors. Round your answer to four decimal places.
The probability of 5 or fewer Mexican Americans among 12 jurors is 0.0089.
The area of mathematics known as probability deals with numerical descriptions of how likely it is for an event to happen or for a claim to be true.
Consider the probabilities,
x P(x)
0 0+
1 0+
2 0+
3 0.0002
4 0.0014
5 0.0073
6 0.0285
7 0.0818
8 0.1712
9 0.2547
10 0.2558
11 0.1557
12 0.0434
So, the probability of 5 or fewer Mexican Americans among 12 jurors is:
P( x ≤ 5 ) = P( x = 0 ) + P( x = 1 ) + P( x = 2 ) + P( x = 3 ) + P( x = 4 ) + P( x = 5 )
P( x ≤ 5 ) = 0 + 0 + 0 + 0.0002 + 0.0014 + 0.0073
P( x ≤ 5 ) = 0.0089
Therefore, 0.0089 is the probability that 5 or fewer Mexican Americans among 12 jurors.
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What are the solutions to logs (x²+8)= 1+logg(x)?
x=-2 and x=-4
x-1 and x=8
x= 1 and x = -8
O x=2 and x=4
Step-by-step explanation:
Log(x²+8)=log 10+ log x
Log(x²+8)=log(10×x)
x²+8=10x
x² - 10x + 8=0
x is approximately to - 1 and - 8✅
The solutions to the given equation are x = -1 and x = 8.
Option A is the correct answer.
What is a solution?Solutions are the values of an equation where the values are substituted in the variables of the equation and make the equality in the equation true.
We also find the solution in a system of equations using the substitution or elimination method.
Example:
2x + 4 = 8
The solution is x = 2.
We have,
Using logarithmic properties, we can simplify the given equation:
logs(x² + 8) = 1 + log g(x)
logs(x² + 8) - log g(x) = 1
log[(x² + 8)/g(x)] = 1
(x² + 8)/g(x) = 10
x² + 8 = 10g(x)
Now we can solve for x by substituting the given answer options and solving for g(x):
For x = -2 and x = -4:
x = -2:
(-2)² + 8 = 12, which is not equal to 10 g(x) for any value of g(x).
So x = -2 is not a solution.
x = -4:
(-4)² + 8 = 24, which is also not equal to 10g(x) for any value of g(x).
So x = -4 is not a solution.
For x = -1 and x = 8:
x = -1:
(-1)² + 8 = 9, which is equal to 10g(x) when g(x) = 0.9.
So x = -1 is a solution.
x = 8:
(8)² + 8 = 72, which is equal to 10g(x) when g(x) = 7.2.
So x = 8 is a solution.
For x = 1 and x = -8:
x = 1:
(1)² + 8 = 9, which is equal to 10g(x) when g(x) = 0.9.
So x = 1 is a solution.
x = -8:
(-8)² + 8 = 56, which is not equal to 10g(x) for any value of g(x).
So x = -8 is not a solution.
Therefore,
The solutions to the given equation are x = -1 and x = 8.
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Which of the following is the largest decimal number? *
0.231 .231 .03 .2
Find the annual interest rate.
I= $562.50, P=$1500, t= 5 years
The annual interest rate is_____%
The annual interest rate is 7.5%.
What is Simple interest?
Simple interest is a type of interest that is calculated on the principal amount (or the initial amount) of a loan or investment, without taking into account any accumulated interest from previous periods.
The formula for simple interest is:
I = P × r × t
where I is the interest earned, P is the principal (initial amount), r is the annual interest rate as a decimal, and t is the time in years.
In this case, we know I = $562.50, P = $1500, and t = 5 years.
we ca substitute values into the formula,
562.50 = 1500× r ×5
Simplifying, we get:
r = 562.50 / (1500 ×5)
r = 0.075
r = 7.5%
Therefore, the annual interest rate is 7.5%.
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PLEASE HELP thank you
Answer:
I'm pretty sure the answer is 90
Step-by-step explanation:
27.7 rounded up is 28 and 2.8 rounded up is 3, and the product of those 2 numbers is 84 and 90 is the closest number so that should be the answer :)
Answer:
The answer is 90
Step-by-step explanation:
27.7 rounded up is 28 and 2.8 rounded up is 3 so 28 times 3 is 84 and the closest number to 84 is 90
if point c divides a directed line segment from point A to point B in a 1 : 5 ratio, what are the coordinates of point B?
The location of the point B on the line with the endpoints is 63
How to determine the coordinates of the segment?On the segment, we have the following endpoints
A = -3
C = 8
Rewrite the endpoints of the line segment as
A = (-3,0) and C = (8,0)
The ratio of the line is given as
Ratio, A : B = 1 :5
This means that
Point C = A/A + B
So, we have
C = 1/1 + 5
Evaluate
C = 1/6
The coordinate of point C on the line segment is calculated using
Point C = C * (B - A) + A
So, we have
8 = 1/6 * (B + 3) - 3
This gives
1/6 * (B + 3) = 11
So, we have
B + 3 = 66
Subtract 3
B = 63
Hence, the coordinate of the point B on the line segment is 63
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Possible question
if point c divides a directed line segment from point A to point B in a 1 : 5 ratio, what are the coordinates of point B?
A = -3 and C = 8
S vi) The temperature in Gulmerg in Kashmir was-10°C in January and it rose by 44°c to reach the maximum temperature during summer. The maximum temperature during summer in that year was
The maximum temperature during summer in that year was 34°C.
It's not possible for the maximum temperature in Gulmarg, Kashmir to rise by 44°C during the summer.
A temperature rise of that magnitude would be extremely unusual and potentially dangerous.
However, assuming that the question meant to ask about the difference between the minimum temperature in January and the maximum temperature in summer, we can proceed with the calculation.
The minimum temperature in January was -10°C, and if we add 44°C to it, we get:
-10°C + 44°C = 34°C
Therefore, the maximum temperature during summer in that year was 34°C.
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find the measures of an exterior angle and an interior angle given the number of sides of each regular polygon round of the nearest tenth if necessary
16
24
30
14
22
40
Answer:
Int 2520, Ext 360
Int 3960, Ext 360
Int 5040, Ext 360
Int 2160, Ext 360
Int 3600, Ext 360
Int 6840, Ext 360
Step-by-step explanation:
Interior angles of a polygon = (sides - 2) × 180
Exterior angles are always 360
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The measures of an exterior angle are 2520°, and an interior angle is 360° in the given regular polygon with 16 sides.
What is the interior Angle?An interior angle is defined as an angle produced on the inside of a polygon by extending the sides of the polygon.
Interior angles of a polygon = (sides - 2) × 180°
To determine the measures of an exterior angle and an interior angle given a regular polygon with 16 sides.
Interior angles of a polygon = (sides - 2) × 180°
In this case, the number of sides is 16
Interior angles of a polygon = (16 - 2) × 180
Interior angles of a polygon = (14) × 180
Interior angles of a polygon = 2520
And, Exterior angles are always 360° in the regular polygon.
Similarly, the other regular polygons :
A regular polygon with 24 sides: Int 3960, Ext 360
A regular polygon with 30 sides: Int 5040, Ext 360
A regular polygon with 14 sides: Int 2160, Ext 360
A regular polygon with 22 sides: Int 3600, Ext 360
A regular polygon with 40 sides: Int 6840, Ext 360
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SOMEONE PLS HELP ME WITH ASAP
Answer:
area of trapezium in terms of x=1/2*x(x+3+x+1)
Step-by-step explanation:
Answer:
(x^2 + 2x) cm^2
Step-by-step explanation:
Area of trapezium = 1/2 (a+b)h
= 1/2 [(x+3)+(x+1)] (x)
=1/2 (2x+4)(x)
= 1/2 (2x^2 + 4x)
= x^2 + 2x
What is the slope of the line on the graph
Answer:
1/2? I believe it is 1/2 you go up one and over 2
which of the following points lies on the line 2x-y=12
Answer:
You forgot something
Step-by-step explanation:
"which of the following points "
no points follow?????
What is the best estimate of 687 × 391?
280,000
210,000
240,000
180,000
\(\huge\text{Hey there!}\)
\(\huge\textbf{Original equation/problem:}\)
\(\mathbf{687\times391}\)
\(\mathbf{= 391\times687}\)
\(\mathbf{= 268,617}\)
\(\huge\textbf{Now, we're going to solve for your}\\\huge\textbf{question:}\)
\(\huge\text{Assuming you want us to estimate to the}\\\huge\text{nearest hundred. So we will do so, because}\\\huge\text{it is easier to understand it like that.}\)
\(\mathbf{687 \rightarrow 700}\\\mathbf{391\rightarrow 400}\)
\(\huge\textbf{New equation:}\)
\(\mathbf{700 \times 400}\)
\(\mathbf{= 400\times700}\)
\(\mathbf{= 280,000}\)
\(\huge\text{Therefore, your answer is: \boxed{\mathsf{Option\ A.\ 280,000}}}\huge\checkmark\)
\(\huge\text{Good luck on your assignment \& enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)
DO THE MATH: All Titleist golf balls at The Far Fairway are 2/3 off to anybody who
can show they hit a hole in one on a 3 par hole. If you hit a hole in one at Firestone
in Akron and have it on video, what price can you buy a dozen Titleist Pro V1x golf
balls at the normal price of $69.99? Round your answer to the nearest penny.
$60.00
$23.33
$0.67
$46.66
Answer:
23.33
Step-by-step explanation:
Tell what whole number you can substitute for z in the following list so the numbers are ordered from least to greatest.
1/x, x/3, 80%
The whole number that can be substituted for z is 1.
The whole number you can substitute for zTo order these numbers from least to greatest, we need to first find a value for x that makes the expressions comparable.
1/x can be rewritten as 0.01/x
80% can be written as 0.8
So, the list becomes:
0.01/x, x/3, 0.8
To compare 0.01/x and x/3, we can cross-multiply and simplify:
0.01/x < x/3
0.01*3 < x^2
0.03 < x^2
x > sqrt(0.03)
Since x has to be a whole number, the smallest possible value for x is 1.
So, substituting x = 1, the list becomes:
0.01, 1/3, 0.8
Ordering these from least to greatest, we get:
0.01, 0.8, 1/3
Therefore, the whole number that can be substituted for z is 1.
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A garden is in the shape of a rectangle 90 m by 60 m.
Flowers are grown in 40% of the garden.
The rest of the garden is grass.
Work out the area of the garden that is grass.
Answer:
3240 sq meters
Step-by-step explanation:
Area of garden = 90*60= 5400 square meters.
Flowers grown on = 40%
So, grass grown on = (100 -40)% = 60%
60% of 5400 = 0.6*5400 = 3,240.
So, the area of the garden that is grass = 3,240 square meters
pls help me i will give u thanks
Answer:
c) (6,5)
Step-by-step explanation:
The horizontal axis represents x values
The vertical axis represents y values
Math work class rell
Answer:
The answer is D. infinite.
Answer:
infinte
Step-by-step explanation:
→ For any value of x which is substituted you will get that value
Solving an exponential equation by using logarithms: Exact answers in logarithmic form
\(14^{-x+10}~~ = ~~13^{3x} \\\\[-0.35em] ~\dotfill\\\\ \log(14^{10-x})=\log(13^{3x})\implies (10-x)\log(14)=x\log(13^3) \\\\\\ 10-x=\cfrac{x\log(13^3)}{\log(14)}\implies \cfrac{10-x}{x}=\cfrac{\log(13^3)}{\log(14)}\implies \cfrac{10}{x}-\cfrac{x}{x}=\cfrac{\log(13^3)}{\log(14)}\)
\(\cfrac{10}{x}-1=\cfrac{\log(13^3)}{\log(14)}\implies \cfrac{10}{x}=\cfrac{\log(13^3)}{\log(14)}+1\implies \cfrac{10}{~~\frac{\log(13^3)}{\log(14)}+1~~}=x \\\\\\ \cfrac{10}{~~\frac{\log(13^3)+\log(14)}{\log(14)}~~}=x\implies \cfrac{10\log(14)}{\log(13^3)+\log(14)}=x\)
Find the missing side lengths, put answer as radical in simplest form
Look at picture for reference
The value of the missing side lengths x and y are 5√2 and 5 respectively.
What is the value of side length x and y?The figure in the image is a right triangle.
Angle θ = 45 degree
Hypotenuse = x
Opposite to angle θ = y
Adjacent to angle θ = 5
To solve for side x and side y, we use the trigonometric ratio.
Note that:
Cosine = adjacent / hypotenuse
tangent = opposite / adjacent
Solving for x:
Cosine = adjacent / hypotenuse
Plug in the values
cos( 45 ) = 5/x
x = 5 / cos( 45 )
x = 5√2
Solving for side y:
tangent = opposite / adjacent
Plug in the values
tan( 45 ) = y/5
y = tan( 45 ) × 5
y = 5
Therefore, the value of side length x is 5 units.
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Select the correct answer from each drop-down menu.
The coordinates of point G are ? . The Refelection of point G across x-axis and y-axis lies in quadrant ? , and the coordinates of that point are ? .
The coordinates of point G are (1.5, -4). The reflection of point G across x-axis and y-axis lies in quadrant II, and the coordinates of that point are (-1.5, 4).
How to reflect the triangle based on the transformation rule?In Mathematics and Geometry, a reflection over or across the x-axis is represented by this transformation rule (x, y) → (x, -y).
Based on the, the coordinates of point G are located at (1.5, -4) in quadrant IV.
By applying a reflection over the x-axis to the coordinates of point G, we have the following coordinates of the image G';
(x, y) → (x, -y)
Point G (1.5, -4) → G' (1.5, -(-4)) = G' (1.5, 4)
By applying a reflection over the y-axis to the coordinates of point G', we have the following coordinates of the image G";
(x, y) → (-x, y)
Point G' (1.5, 4) → G" (-1.5, 4), which is located in quadrant II.
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