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kondaur [170]
3 years ago
11

Solve the equations 4× + 4 = 20. Write the problem on the sketch pad then solve the problem algebraically. I need shown work.

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
4 0

Answer:

x = 4

Step-by-step explanation:

I don't know what you mean by sketch pad but here is the working out

4x + 4 = 20

-4            -4

4x = 16

÷4           ÷4

x = 4

Hope this helps :)

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kari74 [83]
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7 0
3 years ago
Read 2 more answers
Brainliest? :(
Svetlanka [38]

Answer:

(f\cdot g)(x)=2x^2+10x+12

(f-g)(x)=-x-1

(f+g)(1)=10

Step-by-step explanation:

\tt f(x)=x+3

\tt g(x)=2x+4

(f\cdot g)(x)=f(x)\cdot g(x)=(x+3)(2x+4)=2x^2+4x+6x+12

=2x^2+10x+12

(f-g)(x)=f(x)-g(x)=x+3-(2x+4)=x+3-2x-4

=-x-1

(f+g)(1)=f(1)+g(1)=1+3+2(1)+4

=4+2+4=10

~

7 0
2 years ago
Simplify 15 to the 18th power over 15 to the 3rd power.
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(a^c)/(a^b)=a^(c-b)  in this case:

15^18/(15^3)=15^15


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