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kow [346]
3 years ago
14

DC = 10 What is the measure of angle ABD?

Mathematics
1 answer:
den301095 [7]3 years ago
4 0
There is normally a shape or something to these problems 
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Select each set of points that are colinear.
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What's ∣x−2∣=∣4+x∣????
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in the chapter 7 in class 9 Ex 7.3

one time -  and second time +

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x-2=4+x

1) x-2=-(4+x)

  x-2=-4-x

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3 years ago
Simplify and find the perimeter of the triangle
lbvjy [14]

Answer:

2x - 19

Step-by-step explanation:

Perimeter = sum of sides

First let's simplify each side

We can simplify each side by using distributive property. Distributive property is where you multiply the number on the outside of the parenthesis by the numbers on the inside of the parenthesis.

2(x + 5)

Distribute by multiplying x and 5 by 2

2 * x = 2x and 2 * 5 = 10

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1/2(4x + 8)

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Finally add all the simplified expressions ( remember that they represent the side lengths of the triangle )

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Combine like terms

2x + 2x - 6x = -2x

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Perimeter: -2x - 19

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2 years ago
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