Answer:
20
Step-by-step explanation:
12*12=144
5*5=25
144+25=169
Square root 169=13
13*4=52
12*4=48
4*5=20
52+48+20=120
help me pleaseee geometry help
Answer:
x = 8
Step-by-step explanation:
The perpendicular bisector tells us that XY is congruent to YZ. Therfore, we can set their equations as equal to eachother and solve for x.
Given
f(x) = 4x2 − 1
and
g(x) = −4x + 8,
find the following.
f(2) − g(2)
This means that when function f(x) = 4x²- 1 and g(x) = 4x + 8, f(2) - g(2) = 15, and by using the equation as a substitute.
what is function ?
A function in mathematics is a relationship between a set of inputs (also referred to as the domain) and a set of outputs (also referred to as the range), where each input has a unique outcome. Typically, the variable x stands for the input values, the variable y for the output values, and the variable f for the function itself (x). Tables, graphs, equations, and verbal descriptions can all be used to represent functions. In a wide variety of disciplines, including science, engineering, economics, and social studies, they are employed to model relationships between quantities. Functions are frequently used to explain the relationship between two quantities.
given
We must first determine the values of f(2) and g(2) independently using the provided functions in order to evaluate f(2) - g(2):
f(2) = 4(2)² - 1 = 15
g(2) = -4(2) + 8 = 0
These values can now be added to the expression f(2) - g(2) as a substitute:
f(2) - g(2) = 15 - 0 = 15
This means that when f(x) = 4x²- 1 and g(x) = 4x + 8, f(2) - g(2) = 15, and by using the equation as a substitute.
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which type of unemployment is characterized by a worker looking for a job when there is no reason that he or she should not find one
Answer:
Frictional unemployment
Step-by-step explanation:
If you have the following options:
A. Structural unemployment
B. Periodic unemployment
C. Frictional unemployment
D. Seasonal unemployment
Answer:
Frictional unemployment
Step-by-step explanation:
Just did test
you are being watched type the secret code for your ticket
( each line below will pass through one point, graph each line to find your code word )
letter 1: y=1/2x-3
letter 2: y=-4x-2
letter 3: y=-1/3x+4
letter 4:y=1/4x+2
letter 5:y=-2x-1
Answer:
The answer is LSAGE
Step-by-step explanation:
Hope this helps lol
Answer:
SHINE
Step-by-step explanation:
remember : the slope (the factor of x in the equations) is the ratio "y coordinate change / x coordinate change".
and the constant at the end of the equations are the y-intercept (the y value for x = 0).
Scott spends $250 each month on his car payment. What percent of his monthly income does Scott spend on his car payment? Round the answer to the nearest whole. ____________%
Answer:
8.3333333333
Step-by-step explanation:
Rounded would be 8.3% because there is 30 days in a month divided by 250
Raphael and his four friends are having lunch. They agree to split the bill evenly at the end after adding a 20% tip. If the total bill is $85.60, how much will each person end up paying? A. $25.68 B. $20.54 C. $18.68 D. $17.12
The total amount to each person end up paying $20.54.
To find the total amount each person will pay, first calculate the 20% tip on the total bill and then divide the sum by the number of people.
To split the bill evenly among Raphael and his four friends, we first need to find the total cost including the 20% tip.
The tip is 20% of the original bill, which is equivalent to 0.20 x $85.60 = $17.12.
Therefore, the total cost of the bill with the tip is $85.60 + $17.12 = $102.72.
To split this evenly among the five people, we divide by 5:
$102.72 ÷ 5 = $20.54
So each person will end up paying $20.54.
20% of $85.60 is ($85.60 * 0.20) = $17.12
Add the tip to the total bill:
$85.60 + $17.12 = $102.72
Divide the total amount by the number of people (5): $102.72 / 5 = $20.54
Therefore, the answer is B. $20.54.
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The only even prime number is number 2 all other prime number are old. True or False
Answer:
true
Step-by-step explanation:
because any other even number you can multiply something by 2 to get that number.
hope this helps
Answer: True
Step-by-step explanation: 2 is the only even prime number.
2 is an even number that has only itself and 1 as factors so it is the only even number that is a prime.
Mina has 462 flowers if she wants to put nine flowers in each phase how many for vases will she have how many flowers will she have left over
There is one number that is neither crossed out nor circled. Why is it treated differently?
r is the character which is not treated
MATH 144: College Math
Answer:umm sry
Step-by-step explanation:
The lengths of two sides of a triangle are 19 cm and 26
cm. Write an inequality that represents the range of
possible lengths for the third side.
Answer:
it matters what kind of triangle it is
Step-by-step explanation:
Answer:
Step-by-step explanation:
let the third side =x
x>26-19
or x>7
and x<26+19
x<45
so range is 7<x<45
Students’ GPAs and scores on standardized tests (SATs and ACTs) are entered into a formula that calculates an “admissions index” score. The admissions index score is used to set eligibility standards intended to meet the goal of admitting the top 12% of high school students in the state. In this context, what percentile does the top 12% represent?
The percentile of the top students will be 88%.
What is the percentage?The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates for one hundred percent. It is symbolized by the character '%'.
The percentage is given as,
Percentage (P) = [Final value - Initial value] / Initial value x 100
The admissions index score is used to set eligibility standards intended to meet the goal of admitting the top 12% of high school students in the state.
The percentile of the top student is given as,
⇒ 100% - 12%
⇒ 88%
The percentile of the top students will be 88%.
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What is the difference?
47−55
Enter your answer in the box.
Answer:
-8
Step-by-step explanation:
47 - 55
= 47 + (-55)
= -8
Hope it helps ⚜
When you expand 2 (6x + 12), you get an answer of 12x + 24. How many other ways can
you use brackets so you get the answer of 12x + 24 when you expand them?
Answer:
There is no other way you can expand the brackets
Step-by-step explanation:
Find the slope intercept y-3.5=-2x
Answer:
y=−2x+3.5
Step-by-step explanation:
(don’t mind me doing this on my math homework)
HELPP! PLSSS I DONT UNDERSTAND THIS ONE
The maximum budget for equipment and costumes is \(4.85x - $450\).
What is the maximum budget for equipment and costumes?Let us assume the number of seats available is "x".
Let us represent cost of equipment and costumes with C
The total revenue from ticket sales would be 4.85x.
From 4.85x, the committee wants to have $450 remaining, so we can set up an equation.
The equation will be \(4.85x - 450 = C\)
So, to get maximum budget for equipment and costumes, we need to maximize the cost of equipment and costumes. This occurs when the cost is equal to the left side of the equation above.
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while eating your yummy pizza, you observe that the number of customers arriving to the pizza station follows a poisson distribution with a rate of 18 customers per hour. on average, how many customers arrive in each 10 minutes interval?
In every 10 minutes an average of 3 customers will arrive to the pizza station
Given,
The number of customers arriving to the pizza station follows a poisson distribution with a rate of 18 customers per hour.
We have to find the average number of customers arrives in each 10 minutes.
Here,
The chance that X represents the number of successes of a random variable in a Poisson distribution is provided by the following formula:
P (X = x) = (e^-μ × μ^x) / x!
Where,
The number of successes is x.
The Euler number is e = 2.71828.
μ is the average over the specified range.
Now,
Rate of 18 customers per hour;
μ = 18 n
n is the number of hours.
Number of customers arrive in each 10 minutes
10 minutes = 10/60 = 1/6
Then,
μ = 18 x 1/6 = 3
That is,
In every 10 minutes an average of 3 customers will arrive to the pizza station.
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Please answer this question
Answer:
$40.00 is the answer
Step-by-step explanation:
also can you mark me as a brainlist if you get a chance
Answer: $40.00
Step-by-step explanation:
12 is 30% of 40
I really need help with this I am really struggling
Answer:
324
Step-by-step explanation:
the answer 325
Answer:
\(\green{\rule{200pt}{555555pt}}\)
\(\green{\rule{200pt}{555555pt}}\)
\(\green{\rule{200pt}{555555pt}}\)
\(\green{\rule{200pt}{555555pt}}\)
\(\green{\rule{200pt}{555555p
What is the area of this figure
Answer:
45 i believe
Step-by-step explanation:
Answer:
45cm2
Step-by-step explanation:
5x5 is 25, to find the triangle its base times height /2 so, 5x4 is 20 but since theres 2 of them then u just keep it.
e
16. Given the similar figures, find the value of x.
The value of x is 16.8
Euclidean geometryEuclidean geometry is a mathematical system attributed to the Alexandrian Greek mathematician Euclid, which he described in his textbook on geometry: the Elements. Euclid's method consists of assuming a small set of intuitively appealing axioms, and deducing many other propositions (theorems) from these. Although many of Euclid's results had been stated by earlier mathematicians, Euclid was the first to show how these propositions could fit into a comprehensive deductive and logical system.
If two triangles' I) corresponding angles and (ii) corresponding sides are equal, two triangles are said to be similar. (The ratio of adjacent sides' lengths is equal.)
•Triangle similarity should be expressed symbolically using the correct vertices' correspondence.
Take 2 pictures as ∆ABC and ∆PQR
∆ABC ~ ∆PQR
AB = 15 cm , BC = 12 cm , PQ = 21 cm , QR= x cm
AB /PQ = BC/QR
15 /21 = 12/x
5/7 = 12/x
84/5 = x
x = 16.8
so the value of x is 16.8
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Share 13 ones with 2 groups. How many ones are in each group
Answer:
6.5
Step-by-step explanation:
13 divided by 2 = 6.5
1. determine grams of agarose required to make 60 ml of a 0.8% (w/v) agarose solution in 1x tae (tris base-acetic-acid-edta): express answer with two decimals.
The grams of agarose required to prepare a 0.8% (w/v) agarose solution is 0.48 grams.
To make a 0.8% (w/v) agarose solution in 1x TAE, you will need to calculate the grams of agarose required using the formula:
Grams of agarose = (volume of solution in ml) x (percentage of agarose solution)
In this case, the volume of solution is 60 ml and the percentage of agarose solution is 0.8%.
Grams of agarose = (60 ml) x (0.8%)
Grams of agarose = (60 ml) x (0.008)
Grams of agarose = 0.48 g
In conclusion, you will need 0.48 grams of agarose to make 60 ml of a 0.8% (w/v) agarose solution in 1x TAE.
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In a math class of 32 students, 18 boys and 14 are girls. On a unit test, 5 boys and 7 girls made an A grade. A student is chosen at random from the class. What is the probability of choosing a girl or an A student?
Answer:
14+7=21
The probability is 21/32 or 65,625%
Step-by-step explanation:
You just add the number of girl students (including the ones that got an A) with the number of boys that got an A
Then you divide that number by the total of students (32)
The probability of choosing a girl or an A grade student is 19/32.
What is probability ?Probability is the chance or possibility to occur any selected event.
If the number of possible outcomes of an event is divided by the total number of outcomea of the event then it is called probability of that particular event.
What is the required probability ?In a maths class,
The total number of students = 32
No. of boys = 18 & no. of girls = 14
On an unit test, 5 boys made an A grade whereas 7 girls made an A grade.
The probability of choosing a girl = 14/32 = P(A) (say)
And, The probability of choosing an A grade student = 12/32 = P(B) (say)
Hence, the probability of choosing an A grade student who is a girl = P(A∩B) = 7/32
∴ The probability of choosing a girl or an A grade student =
P(A∪B) = P(A)+P(B)-P(A∩B)
= 14/32+ 12/32-7/32
= 26/32-7/32
= 19/32
Hence, The required probability is 19/32.
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Write an equation in slope-intercept form of the line that passes through (3,8) and (1,−2).
The equation in slope-intercept form of the line that passes through (3,8) and (1,−2) is y = 5x - 7
How to represent equation in slope intercept form?Linear equation can be represented in different form such as slope intercept form, point slope form and standard form.
Therefore, let's express the equation in slope intercept form as follows:
The line passes through (3, 8)(1, - 2)
Therefore,
y = mx + b
where
m = slopeb = y-interceptTherefore,
m = - 2 - 8 / 1 - 3
m = - 10 / - 2
m = 5
Therefore, let's find the y-intercept using (3, 8)
y = 5x + b
8 = 5(3) + b
b = 8 - 15
b = - 7
Therefore, the equation is y = 5x - 7
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There is 1/3 of a pizza left to split between 3 of your friends. If you split the pizza equally what fraction of the pizza will each s get
Answer:
1/9
Step-by-step explanation:
Determine the whole number of standard deviations from the mean that include all
data values.
The mean price of the nonfiction books on a best-sellers list is $25.07; the standard
deviation is $2.62.
$26.95, $22.95, $24.00, $24.95, $29.95, $19.95, $24.95, $24.00, $27.95, $25.00
The number of standard deviations from the mean that include all
data values is two.
Standard Deviation could be a live that shows what proportion variation (such as unfold, dispersion, spread,) from the mean exists. the quality deviation indicates a “typical” deviation from the mean.it's a well-liked live of variability as a result of it returns to the initial units of live of the information setFrom the gathering of information, we will see that the minimum worth is $19.95 and also the most worth is $29.95. So , we would like to seek out the amount of normal deviations, let's decision it "a" , such that\(\overline x $\color \ - a\cdot\sigma \le 19.95}\) and \(\overline x $\color \ +a\cdot\sigma \geq 29.95}\)
Use the given values of mean \(\overline x\) and normal deviation (σ) to notice the worth of "a".
\(\overline x $\color \ - a\cdot\sigma \le 19.95}\\25.07\ - 2.62a \leq 19.95\\5.12\leq 2.62a\\1.9541\leq a\)
On rounding off we get a = 2
Checking another inequality
\(\overline x $\color \ + a\cdot\sigma \geq 29.95}\\25.07 \ + 2(2.62) \geq 29.95\\25.07 + 5.24 \geq 29.95\\30.31\geq 29.95\)
Thus , 2 standard deviation include the all values from the given set of data .
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A rectangular garden will be fenced using 400 feet of fencing material. One side of the garden is partly covered by the barn and that part will not be fenced. If the barn is 50 feet long, what are the dimensions that will maximize the area of the garden? What is the largest possible area?
Answer:
The dimensions that maximize the area of the garden are 200 feet by 100 feet.
The largest area for the garden would be 20,000 square feet
Step-by-step explanation:
Let the length of the garden be x feet and the width be y feet. One side of the garden is adjacent to the barn, which is 50 feet long. Since only three sides need to be fenced, we can set up the following equation for the perimeter:
x + 2y = 400
We need to find the dimensions that will maximize the area of the garden, which is given by A = xy. First, we will express y in terms of x using the perimeter equation:
y = (400 - x) / 2
Now, substitute y in the area equation:
A(x) = x(400 - x) / 2
A(x) = (400x - x^2) / 2
To maximize the area, we need to find the critical points of the function A(x). We do this by taking the first derivative and setting it to 0:
A'(x) = (400 - 2x) / 2
A'(x) = 200 - x
Now, set A'(x) to 0 and solve for x:
200 - x = 0
x = 200
Now, substitute x = 200 back into the equation for y:
y = (400 - 200) / 2
y = 200 / 2
y = 100
So, the dimensions that maximize the area of the garden are x = 200 feet (length) and y = 100 feet (width). Now we can find the largest possible area:
A = xy
A = (200)(100)
A = 20,000 square feet
The largest possible area for the garden is 20,000 square feet.
A parabola can be drawn given a focus of (5, -7) and a directrix of x=1. Write the equation of the parabola in any form.
Answer:
x = 1/8(y^2 + 14y + 73)
Step-by-step explanation:
Take any point on the curve (x, y). This is a parabola that opens to the right and contains terms in x and y^2.
The distance of this point from the focus = its distance from the directrix, so:
sqrt [( x - 5)^2 + (y + 7)^2) = (x - 1)
Squaring both sides:
(x - 5)^2 + (y + 7)^2 = (x - 1)^2
x^2 -10x + 25 + y^2 + 14y + 49 = x^2 - 2x + 1
y^2 + 14y + 73 = 8x
x = 1/8(y^2 + 14y + 73)
Write the following words as an algebraic expression. The sum of the quotient of a number x and 5 and the product of 6 and a number y
Answer:
\(\frac{x}{5} + 6y\)
Step-by-step explanation: