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Genrish500 [490]

3 years ago

10

Why is this simplified by combining like terms 3(4x+5) +2

1 answer:

Inga [223]3 years ago

3 0

3(4x+5)+2
3•4x=12x
5•3=15+2=17
Answer= 12x + 17

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mrs_skeptik [129]

Step-by-step explanation:

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One leg of a triangle is 7 inches. another leg measures 5 inches. if the perimeter of the triangle is 19 inches, find the length

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A triangle has three sides. The sides of this triangle are 7 inches, 5inches and the unknown side.

Let the unknown side be x inches.

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pantera1 [17]

Answer:

x-intercept: $\bigg(\frac{5}{2}, \:0\bigg)$

y-intercept: $(0,\:5)$

Step-by-step explanation:

To find the x-intercept, substitute in $0$ for $y$ and solve for $x$ .

$-4x + 7 = 2y - 3$

$-4x+7=2\left(\bold{0}\right)-3$

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Simplify: $-4x=-10$

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Simplify: $2y=10$

Divide both sides by 2: $\frac{2y}{2}=\frac{10}{2}$

$\bold{y=5}$

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It will take you 2 minutes and 40 seconds to get across the walkway.

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