2 years ago

[4]

Mathematics

1 answer:

Step2247 [10]2 years ago

8 0

Answer:

Follow Sammy Revv on Spotify and you'll get a 100% on your test

Step-by-step explanation:

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What is the value of f ( − 3a ), if f ( x ) = 2x 2 + 4x ?

gogolik [260]

Answer:

d. 18a² - 12a

Step-by-step explanation:

f(x) = 2x² + 4x

f(-3a) = 2(-3a)² + 4(-3a)

2(-3a)² + 4(-3a)

2(9a²) + (-12a)

18a² - 12a

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3 years ago

Sarfcae area is the _______ of all the _____________of the faces of a three diamentsilal figure.

Leya [2.2K]

Answer:

The sum of the areas of all the surfaces (faces) of a three-dimensional figure.

Step-by-step explanation:

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3 years ago

Need quick help with this math best answer gets brainliest

frosja888 [35]

$\frac{1}{2} x+6(x+15)=12\\\\\frac{1}{2} x+6x+90=12\\\\6\frac{1}{2} x+90=12\\6\frac{1}{2} x=-78\\x=-12$

$y=x+15\\y=-12+15\\y=3$

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3 years ago

Solve for f: −5f=20<br> 30 POINTS TO SOMEONE WHO HELPS

zloy xaker [14]

Answer:

$\huge\boxed{\sf f = -4}$

Step-by-step explanation:

$\sf -5f = 20\\\\Dividing\ both\ sides\ by\ -5\\\\\frac{-5f}{-5} = \frac{20}{-5} \\\\f = -4$

$\rule[225]{225}{2}$

Hope this helped!

<h2>~AnonymousHelper1807</h2>

7 0

3 years ago

Solve for x if 5x + 6 = 16<br><br> A) x=5<br> B) x=6<br> C) x=1<br> D) x=2

KIM [24]

Answer:

the answer is D

Step-by-step explanation:

5x+6=16

-6 -6

5x=10

divide both sides by five

x=2

3 0

3 years ago

Read 2 more answers