2 years ago

Find fog(x) when f(x) = 2x² + x and g(x) = 3x + 2

1 answer:

6 0

For fog or f(g(x)), plug g(x) into f(x):

2(3x+2)²+x

Then simplify:

2( (3x+2)(3x+2) )+x

2( 9x²+12x+4 )+x

18x²+24x+8 +x

18x²+25x+8

Then you can simplify this further using factoring methods to:

(2x+1)(9x+8)

Hope this helps!! :)

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Holly can walk 3.75 miles per hour. At that same rate, how far can she walk in 2.5 hours?

damaskus [11]

3.75 miles per hr........in 2.5 hrs =
3.75 * 2.5 = 9.375 miles

6 0

3 years ago

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99 Points for correct answer!!!!!!!!!

3241004551 [841]

The equation given is:

15x - 3y = 21

Slope intercept form is:

y = mx + b

15x - 3y = 21

-15x -15x

-------------------

-3y = -15x + 21

/-3 /-3 /-3

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3 0

3 years ago

Hi anybody tell me teh answer for tim and sam

Rasek [7]

Answer:

Tim gets 8 pounds and Sam gets 32 pounds

Step-by-step explanation:

Divide 40 by 5

40/5=8

Now 8 is 1 part of the ratio. Just put it in the ratio now and you get:

Tim gets 8 pounds and Sam gets 32 pounds

3 0

3 years ago

Can someone actually help me with this question? It's about: Complementary and supplementary angles (visual)

Sophie [7]

90-41 =49
So the answer to x =49 degrees
Complimentary angles are two angles that equal 90 that us why to solve we subtract 41 from 90

4 0

2 years ago

Use square ABCD for this problem<br><br> IF AC=26,find BC.

katen-ka-za [31]

Answer:

x= $\sqrt{338}$

Step-by-step explanation:

$a^2+b^2=c^2$

$x^2+x^2=$ $26^2$

$2x^2=26^2$

$2x^2=676$

/2 /2

$x^2=338$

$\sqrt{x^2} =\sqrt{338}$

x= $\sqrt{338}$

8 0

2 years ago

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