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Oksi-84 [34.3K]

3 years ago

8

PLEASE HELP?

1 answer:

Darya [45]3 years ago

8 0

Answer:

1/3

Step-by-step explanation:

The number of people over 40 is 20 + 30 + 35 = 85.

So the probability is 85/255, which reduces to 1/3.

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F(x)= x2<br> What is f(x) + f(x) + f(x)?

Irina18 [472]

Answer:

Step-by-step explanation:

You already have f(x)= x2

so

3(2x)=6x

I hope this help

6 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=2x%20-%206%20%3D%205y%20-%203x" id="TexFormula1" title="2x - 6 = 5y - 3x" alt="2x - 6 = 5y - 3

Zigmanuir [339]

Answer:

( 2x - 3 ) / 5

Step-by-step explanation:

2x - 6 = 5y - 3

2x - 6 + 3 = 5y

2x - 3 = 5y

y = ( 2x - 3 ) / 5

6 0

3 years ago

F(-1) f(x) = -3x2 + 2x - 7

egoroff_w [7]

Answer:

$f(-1) = -12$

Step-by-step explanation:

<u>Step 1: Set x to -1 and solve</u>

<u /> $f(x) = -3x^2+2x-7$

$f(-1) = -3(-1)^2+2(-1) - 7$

$f(-1) = -3(1) - 2 - 7$

$f(-1) = -3 - 2 - 7$

$f(-1) = -12$

Answer: $f(-1) = -12$

3 0

3 years ago

I need the answer so my teacher doesn’t kill me

Degger [83]

Not sure if this is what you need

4 0

3 years ago

Please answer with everything needed i appreciate everyones help

yawa3891 [41]

Recheck the answer with your teacher.

4 0

2 years ago

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