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expeople1 [14]
3 years ago
6

Please explain how to do please

Mathematics
1 answer:
patriot [66]3 years ago
7 0
You have to find out what ?x7=21 and 7 because you need to include 1 for the other fish so ?=3 but then you have to multiply 3x6 and it equals 18 so then 18-3.I hope this was helpful.Btw the answer is 15 letter C.
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1. Which equations represents a quadratic function? A. y = 3 + 2x2
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G(x) = 3x + 1<br><br>f(x) = 2x - 5<br><br> Find g (f (x))​
sammy [17]

Answer:

g(f(x)) = 6x - 14

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Function Composition

Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = 3x + 1

f(x) = 2x - 5

<u>Step 2: Find</u>

  1. Substitute:                    g(f(x)) = 3(2x - 5) + 1
  2. Distribute 3:                  g(f(x)) = 6x - 15 + 1
  3. Combine like terms:    g(f(x)) = 6x - 14
6 0
3 years ago
A sphere with a radius of 6 cm has the same volume as a cone with a height of 6 cm. What is the radius of the cone?
Advocard [28]
The volume of a sphere is
V_s = 4/3 * pi * r_s^3
The volume of a cone is
V_c = 1/3 * pi * h * r_c^2

Since we know that the two volumes are equal, we can say
V_s = V_c
4/3 * pi * r_s^3 = 1/3 * pi * h * r_c^2

Let us now isolate r_c, the radius of the cone:
4/3*r_s^3 = 1/3 *h*r_c^2
sqrt((4*r_s^3)/h) =r_c = 12 cm 

So the radius of the cone is 12 cm
8 0
3 years ago
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