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andrew-mc [135]
3 years ago
14

Simplify expression 4(7x+5y)

Mathematics
2 answers:
gladu [14]3 years ago
8 0
Hello there! For this case, in order to simplify the expression, all you have to do is the distributive property. 4 is outside of the parenthesis, so we must multiply that by the terms in the parenthesis. 4 * 7x is 28x. 4 * 5y is 20y. There are no like terms in this case, so it stays put. There. The expression simplified is 28x + 20y.
Margarita [4]3 years ago
6 0
28x + 20y I think is the answer
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In ABC the measure of angle a is 2X +3 the measure of angle B is 4X +2 and the measure of angle C is 2X-1 what are the measures
Novay_Z [31]
Angle A is 2x + 3
Angle B is 4x + 2
Angle C is 2x - 1

The three angles add up to 180
So:
2x + 3 + 4x + 2 + 2x - 1 = 180
Combine terms
8x +  4 = 180
Subtract 4
8x = 176
x = 22

Now we solve for the angles:
Angle A is 2(22) + 3 = 44 + 3 = 47
Angle B is 4(22) + 2 = 88 + 2 = 90
Angle C is 2(22) - 1 = 44 - 1 = 43

Quick check: 47 + 90 + 43 = 180
8 0
3 years ago
How i can answer this question
Advocard [28]

Answer:

A. 2(x+y+1). lmk if you need any more awnsers

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3 years ago
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3 years ago
Which expression is equivalent to 4 square root 3^3 <br> A 3 3/4<br> B 3 4/3<br> C 4^1<br> D 4^3
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6 0
2 years ago
To one-one functions g and h are defined as follows.
Andreyy89

Answer:

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Step-by-step explanation:

The inverse function for a set of ordered pairs can be found by swapping the x- and y-coordinates in each pair.

  g^{-1}(-1)=9\qquad\text{from the $g(x)$ ordered pair $(9, -1)$}

__

The inverse of a function expressed algebraically can be found by swapping the x- and y-variables and solving for y.

  h^{-1}(x)\qquad\text{is found from }x=h(y)\\\\x=3y+8\\x-8=3y\\\\y=\dfrac{x-8}{3}\\\\\boxed{h^{-1}(x)=\dfrac{x-8}{3}}

A function of its own inverse returns the original value:

  \boxed{\left(h\circ h^{-1}\right)(-1)=-1}

6 0
3 years ago
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