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NeTakaya
3 years ago
9

I WILL GIVE YOU BRAINLY PLSS!!!

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
7 0
Okay gimme a second i will do it and upload a pic
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A function f (x)=-8x^2. What is f (-3)?
Sveta_85 [38]
F(x)= -8x²

f(-3)= -8* (-3)²

f(-3)= -8 * 9

f(-3)= -72
8 0
3 years ago
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A software company keeps a ratio of 2.5 testers to every 10 software developers. If the company hires 20 developer in one year,
pochemuha

Answer:

They will need to hire 5 testers.

Step-by-step explanation:

This question can be solved using a simple rule of three.

For each 10 developers, we need 2.5 testers. So how many testers are needed for 20 developers?

10 developers - 2.5 testers

20 developers - x testes

10x = 20*2.5

10x = 50

x = \frac{50}{10}

x = 5

They will need to hire 5 testers.

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3 years ago
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Solve forn: -6(n-8) = 4(12-5n)+14n
Irina-Kira [14]

Answer:

0

Step-by-step explanation:

-6(n-8) = 4(12-5n)+14n

-6(n-8)=-6n+48 =  4(12-5n)+14n= 48-20n+14n

then 48-20n+14n<em> = 48-6n</em>

so you have

-6n+48 = <em>48-6n</em>

-6n+6n= n

n+48=48

n-48=48-48

n=0

5 0
4 years ago
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NEED HELP ASAP!!! THX Determine if the two figures are congruent and explain your answer. Attachment
Norma-Jean [14]

I need the attachment that goes with it


8 0
3 years ago
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The formula l =PRT where I = interest R =rate and T time is used to calculate the amount of simple interest earned. Solve this f
zubka84 [21]
<span> l =PRT
so
T = I/(PR)

hope it helps</span>
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3 years ago
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