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Bond [772]
3 years ago
6

I just need someone to explain how to do it

Mathematics
1 answer:
Mashutka [201]3 years ago
7 0
You just need to substitute the the given function. So if f(-8) then you fill in f(n)=2n+4 which would be f(-8)=2(-8)+4. Which is -12.

hope this helps !
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How do you solve 5n-16-8n=-10
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-3n=26
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Three friends compared their last math test. San got 13/15, John got 69% and Phillip got 12/18. Put their grades in order from h
Elodia [21]
San 13/15, John 69%, Phillip 12/18. When you divide 13/15 you'll get 86. When you divide 12/18 you'll get 66.
5 0
3 years ago
A concrete mix is designed to withstand 3000 pounds per square inch​ (psi) of pressure. The following data represent the strengt
ss7ja [257]

Answer:

Mean = 3640

Mode = 4100

Median = 3830.

Step-by-step explanation:

We are given the following data in the question:

Strength of casts (in psi):

3970,4100,3100,3200,2950,3830,4100,4050,3460

Formula:

Mean = \displaystyle\frac{\text{Sum of all observation}}{\text{Total number of observations}}

\displaystyle\frac{3970+4100+3100+ 3200+ 2950+ 3830+4100+ 4050+ 3460}{9} = \displaystyle\frac{32760} {9} = 3640

Mode is the entry with most frequency. Thus, for the given sample mode = 4100.

Median

Since n = 9 is odd,

Formula:

Median = \displaystyle\frac{n+1}{2}th~term

Data in ascending order:

2950,3100,3200,3460,3830,3970,4050,4100,4100

Median = 5th term = 3830.

7 0
3 years ago
The temperature outside of Brandon's house is −5°F, while the temperature outside of Nick's house is 3°F. How many degrees warme
STatiana [176]

Answer:

9F

Step-by-step explanation:

-5...-4...-3...-2...-1...0...1...2...3

3 0
2 years ago
Joey traveled 150 miles in 212 hours. Which expression gives Joey's speed in miles per hour?
Svetradugi [14.3K]

Answer:

0.7 miles per hour

Step-by-step explanation:

To find a speed in miles per hour, divide the number of miles by the number of hours.

150/ 212 = 0.7 miles per hour

4 0
2 years ago
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