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storchak [24]
3 years ago
7

If f(x)=2x+1 and g(x)=x-3 then g(f(x))= ?x + ?

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
6 0

Answer:

g(f(x)) = 2x - 2

Step-by-step explanation:

to evaluate g(f(x)) substitute x = f(x) into g(x)

g(f(x)) = g(2x + 1) = 2x + 1 - 3 = 2x - 2


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Choose the two rectangular prisms that have a volume of 36cm^3?
oee [108]

Answer:

<em>Correct choices: B, D</em>

Step-by-step explanation:

<u>The Volume of a Rectangular Prism</u>

Given a rectangular prism of dimension W, L, and H, the volume is calculated as:

V = WLH

Each small cube of the figure has a volume of 1 cube centimeter. We need to calculate the volume of each solid and determine which ones have a volume of 36 cube cm.

A: V = 5*3*4 = 60 cube cm

B: V = 3*3*4 = 36 cube cm

C: V = 3*4*2 = 24 cube cm

D: V = 6*2*3 = 36 cube cm

E: V = 2*4*2 = 16 cube cm

Correct choices: B, D

8 0
2 years ago
Ignore the answer i clicked on, i did not mean to click it
hjlf

Answer:

<h2><u><em>20√2</em></u></h2>

Step-by-step explanation:

The diagonal of a square is given as, √2 × side. Rearranging this formula to calculate the side of the square, we get, side = diagonal/√2 = (√2 × diagonal)/2 . Thus, the perimeter of the square can be calculated using the formula, P = 2√2 × diagonal.

Diagonal = 5 * 2 = 10

P = 2√2 * 10

P = 20√2

3 0
2 years ago
The value of a car declined 20% per year. what percent of the original value remains after 2 years
GalinKa [24]
60% is answer...20% is taken each year so After 2 yrs it's 40% less 100-40 is 60
5 0
3 years ago
Which are the solutions of the quadratic equation x^2=9x+6
zzz [600]
You can use the quadratic equation to solve this once you have this set equal to zero. The answers would be roughly 9.6 and -0.6. 
8 0
3 years ago
Two ropes, AD and BD, are tied to a peg on the ground at point D. The other ends of the ropes are tied to points A and B on a fl
Arlecino [84]

Answer:

  A.  3.66 feet

Step-by-step explanation:

Using trigonometry, we know that ...

  BC = DC·tan(30°)

  AC = DC·tan(45°)

  AB = AC -BC = DC(tan(45°) -tan(30°))

  AB = 5√3·(1 -√3/3) = 5(√3 -1)

  AB ≈ 3.66 . . . feet

8 0
3 years ago
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