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Margarita [4]
3 years ago
8

What is the value of x? Justify each step. AC=32 2x 6x+8 .__________________._________________. A B C Drawing not to scale AB +

BC = AC a.__________________________ 2x+6x + 8 =32 b. __________________________ 8x + 8 =32 c. __________________________ 8x =24 d. __________________________ X =3 e. __________________________
Mathematics
1 answer:
bearhunter [10]3 years ago
4 0

Answer:

Step-by-step explanation:

Given:

AC = 32

AB = 2x

BC = 6x+8

A. segment addition postulate:

Segment Addition Postulate states that given points A and C, a third point B lies on the line segment AC if their distances between the points satisfy the expression:

AB + BC = AC.

B. substitution

This property allows you to substitute quantities for each other into an expression as long as those quantities are equal.

2x + 6x + 8 = 32

C. Simplification property of equality

Adding the like variables together on each side of the equality.

8x + 8 = 32

D. Subtraction property of equality

This involves subtracting the same value on both sides of the equality.

8x + 8 - 8 = 32 - 8

8x = 24

E. Division property of equality

Dividing both sides of the equality with a non zero value.

8x/8 = 32/8

x = 3

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olasank [31]

Answer:

x = 8

or

x = -4

Step-by-step explanation:

3x² - 12x = 96

Divide both sides by 3

x² - 4x = 32

Add 4 to both sides

x² - 4x + 4 = 32 + 4

(x - 2)² = 6²

Find the square root of both sides

√(x - 2)² = √6²

x - 2 = +/- 6

x - 2 = +6 or -6

x - 2=+6

x=6+2

x=8

x - 2=-6

x=-6+2

x=-4

x = 8

or

x = -4

8 0
3 years ago
1. Give the opposite of each number.
Sphinxa [80]

Answer:

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3. 5

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2)

a 9-6=3

b.5-8=-3

c.-12-6=-18

d.10+8=18

e.+4-2=2

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3 years ago
Last year a student correctly answered 4/5 of the total 40 questions given.What percent of the total questions she correctly ans
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She got 80 percent of the questions right
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2 years ago
A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle. Which e
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8 0
3 years ago
Read 2 more answers
Rudy worked hard all summer. Before school starts he decided to go shopping and spend some of his earnings. He spent one third o
Rudiy27

Answer:

This is a constant problem. He kept on spending 1/3 of his money. The inverse number of 1/3 is 3. Basically the fraction flipped. So he spent 1/3 of his money 4 times. So we multiply 16*3*3*3*3. Multiply by 3 four times. 16*3 is 48. 48*3 is 144. 144*3 is 432. 432*3 is 1296. He started with 1296 dollars. If hes a kid hes rich.

Step-by-step explanation:


6 0
3 years ago
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