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suter [353]
3 years ago
5

Please help me with #13

Mathematics
1 answer:
marysya [2.9K]3 years ago
8 0
I hope this helps you

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Are these expressions equivalent? (Show work)<br> 14x+10+2x and 5x+3x+10+8x
balu736 [363]

Step-by-step explanation:

14x+10+2x

16x+10. Answer 1

5x+3x+10+8x

16x+10. Answer 2

So, both Answers are same, So the expressions are equivalent...

3 0
2 years ago
I NEED DESPERATE HELP BADDIES VAWYCVYAGVFYGQEVEF
gtnhenbr [62]

Answer:

BCD is the outer angle of triangle ABC

=> BCD = ABC + BAC

<=> 150⁰ = ABC + 118⁰

=> ABC = 150⁰ - 118⁰

<=> ABC = 32⁰

5 0
3 years ago
Read 2 more answers
Solve the following system of equations. Express your answer as an ordered pair in the format (a,b), with no spaces between the
Mumz [18]
I have no idea maybe ask ur math teacher
6 0
3 years ago
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A circle with radius of 6 cm sits inside a circle with radius of 9 cm. What is
laiz [17]

Answer:

area of Circle = (pi)r^2

3.14×4

12.56

7 0
3 years ago
-18 + 2a = 2(3a + 1)
Nadusha1986 [10]

Answer:

a = -5

Step-by-step explanation:

Given

-18 + 2a = 2(3a + 1)

Expand the bracket on the right

-18 + 2a = 2 x 3a + 2 x 1

-18 + 2a = 6a + 2

Add 18 to both sides

-18 + 18 + 2a = 6a + 2 + 18

2a = 6a + 20

Subtract 6a from both sides

2a - 6a = 6a - 6a + 20

-4a = 20

Divide both sides by -4

-4a/-4 = 20/-4

a = -5

3 0
3 years ago
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