3 years ago

If y = 4x, what is the value of 3y + 2(3y + 5) - x in terms of x?

Mathematics

1 answer:

USPshnik [31]3 years ago

7 0

Answer:

13/3

Step-by-step explanation:

3(4x)+6(4x)+30-x

39=9x

divide 9 on each side

x=13/3

yw if its right make me brainliest

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Given that f(x) = 2x + 5 and g(x) = x − 7, solve for f(g(x)) when x = −3

dusya [7]

Answer:

-15

Step-by-step explanation:

start from the inside and go out.

So first plug in -3 into g(x)

g(-3) = -3 - 7 = -10

then plug in -10 into f(x)

f(-10) = 2(-10) + 5 = -15

so f(g(x)) = -15

5 0

4 years ago

Read 2 more answers

What are the real or imaginary solutions of the polynomials x4 -52x2 + 576 = 0

asambeis [7]

Hello,

Answer B

x^4-52x²+576=0
==>x^4-16x²-36x²+576=0
==>x²(x²-16)-36(x²-16)=0
==>(x²-16)(x²-36)=0
==>(x+4)(x-4)(x+6)(x-6)=0

6 0

4 years ago

1 1/3 - 6/7 is the equation my 11 year old daughter needs help solving. It would be helpful if work can be shown so i can have a

In-s [12.5K]

Answer:

In order to subtract fractions, there must be a common denominator (the number on the bottom of the fraction). 7 and 3 can be multiplied to get 21 (a common factor). To get each fraction to have a denominator of 21, they can be multiplied by 3 and 7 respectively and then subtracted. Attached is an image of the problem worked out. I apologize for the messy handwriting. Hope this helps!

Step-by-step explanation: