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yanalaym [24]
3 years ago
9

HELP PLSSSS -5|x + 1] = 10

Mathematics
2 answers:
andrezito [222]3 years ago
8 0

Answer:

x=-3

Step-by-step explanation:

u first multiply the five into the brackets and then the rest is in the picture

Sliva [168]3 years ago
3 0

Answer:

x= -3

Step-by-step explanation:

We want to solve for x in the following equation. We must isolate x on one side of the equation.

-5(x+1)=10

-5 is being multiplied by (x+1). The inverse of multiplication is division. Divide both sides of the equation by -5.

-5(x+1)/-5=10/-5

(x+1)=10/-5

(x+1)=-2

1 is being added to x. The inverse of addition is subtraction. Subtract 1 from both sides of the equation.

x+1-1= -2-1

x=-2-1

x=-3

Let's check our solution. Plug -3 in for x and solve.

-5(x+1)=10

-5(-3+1)=10

-5(-2)=10

10=10

This checks out, so we know our solution is correct.

The solution to -5(x+1)=10 is x=-3

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In triangle ABC, AB = 90 in., BC = 80 in., and angle B measures 50°. What is the approximate perimeter of the triangle?
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The answer to your question is Perimeter = 287.3 in

Step-by-step explanation:

AB = 90 in

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Process

1.- We need to find AC using Law of sines

\frac{sin A}{80} = \frac{sin 50}{90}

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AC = 90 \frac{sin 87}{sin 50}

      AC = 117.3

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