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Ivan
2 years ago
7

If f(x) = 3x + 7 and g(x) = 2x – 5, find f∘g = f(g(x)) f ∘ g = f(g(x)).

Mathematics
1 answer:
9966 [12]2 years ago
3 0

Answer:

f(g(x))=3x+7

=3(2x-5)+7

=6x-15+7

=6x-8

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Inessa [10]

Answer:

All you do is replace the variable with the numbers given to replace them.

So your new equation is 10-4(2) this was given to you C=10 , D=2

Okay, let's solve it 10-4(2)

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10-8

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7 0
3 years ago
How long is line UW?
Neko [114]

Answer: UW= 9√3

Step-by-step explanation:

This right triangle is a 30-60-90 triangle. This is a special triangle. Since this is a special triangle, the hypotenuse is 2x.

The hypotenuse is 18. We can figure out the length of x.

2x=18

x=9

Since we got 9, you would think it is the answer, but it's not. The length across the 60° angle is x√3. Now that we know the length across from 60°, we can plug in x.

9√3

We can check our answer by using Pythagorean Theorem.

9²+(9√3)²=18²

81+243=18²

324=324

Since they are equal, we know we have the right answer.

5 0
3 years ago
The sum of three consecutive odd numbers is 147. what is the smallest of the three numbers?
Andrew [12]
Let x be the smallest odd number.
x+(x+2)+(x+4)=147
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therefore the smallest odd no. is 47.
3 0
3 years ago
Which of the following expressions are equivalent to 12x+20? Select all that apply.
GalinKa [24]

Answer:

C

Step-by-step explanation:

4(3x+5) = 12x+20

7 0
3 years ago
PLease help real fast
GrogVix [38]

Answer:

i have no clue

Step-by-step explanation:


4 0
3 years ago
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