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Alinara [238K]
3 years ago
7

This one and 1 more!!!

Mathematics
1 answer:
Goryan [66]3 years ago
8 0

Answer:

Step-by-step explanation:

Ooooo Khan academy yes

In order to fine the median, you order number left to right least to greatest

So: 15, 27, 31, 40, 44

Then you take the number in the middle. If there are two numbers in the middle, add them and divide that by two.

So in this case: <em><u>31</u></em>

The median is <em><u>31</u></em>

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50 POINTS please help me I really need it
Mars2501 [29]

A Domain is the lowest and highest x value (-5,-2) is how it is formatted this means -5 to -2

Range is the lowest to highest Y value so (-3,3)

(-5,-2) - domain

(-3,3) - range

B Intercept are when the line crosses the acis labeled x so

(-2,0) and (2,0)

C F(1) means what is x when y is equal to 1 so we must estimate this

(-1,1) and (1.5,1)

D f(x) = -3 is when y is -3 so we look at the graph to see

-5 and 4 are the values for x

E f(x) < 0 means when y is above the x axis

This is between the x values of -2 and 2 or (-2,2)


7 0
3 years ago
The difference of twice a number and 7 is 20. Find the number.
Paul [167]

Answer:

twice the difference gives 2(difference). 7 = 14  20 = 40

Step-by-step explanation:

4 0
2 years ago
find the present value of an investment that is worth $19,513.75 after earning 3percent simple interest for 5.5 years
Dahasolnce [82]

Answer:

present value = $16750

Step-by-step explanation:

The simple interest formula allows us to calculate A, which is the final amount. According to this formula, the amount is given by A = P (1 + r*t), where P is the principal, r is the annual interest rate in decimal form, and t is the loan period expressed in years

simple interest formula:

t: time

P: present value

A: amount

r : anual interest

A = P (1 + r*t)

P = A / (1 + r*t)

P = 19,513.75 / (1 + 3/100 * 5.5)

P = 19,513.75/ (1 + 0.165)

P = 19,513.75 / 1.165

P = 16750

present value = $16750

5 0
3 years ago
1. Simplify the expression below.<br> 2(x + 2) + 3(-x-7) -5 ( 2x - 4)
MrMuchimi

Answer: -11x+15

Step-by-step explanation: distributed property: 2x+2-3x-7-10x+20, -11x+15

5 0
3 years ago
If the speed limit on a highway is 70 miles per hour, about how fast is this in miles per minute?
lara31 [8.8K]
70mi/1hr x 1hr/60min x 1min/60sec= .0194/1sec 
5 0
3 years ago
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