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KiRa [710]
3 years ago
11

Help me pls the questions are here

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
6 0
3x + 7 = -x - 1
3x + 7 + = -1
4x + 7 = -1
4x = -1 - 7
4x = -8
x = -2

1 - 2x + 5 = 4x - 3
-2x + 6 = 4x - 3
6 = 4x - 3 + 2x
6 = 6x - 3
6 + 3 = 6x
9 = 6x
x = 6/9
x = 2/3

i helped you with the first two questions so you can see how you can solve it.

hope this helps, God bless!
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Please help I have no idea how to do this!
Alexus [3.1K]

Answer:

D. <B = 141°

Step-by-step explanation:

The <u>sum of interior angles</u> of a polygon is

(n-2)*180, where n is the number of sides!

Sum of angles for our polygon that has 7 sides must be:

(7-2) *180 = 5*180 = 900

Sum of angles that are in the picture are:

120+129+130+142+90+148+ <B = 759 + <B

<B = 900 -759 = 141°

Check our work:

120°+129°+130°+142°+90°+148°+ 141° = 900°✅

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2 years ago
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exis [7]
N<6  is the answer I think

3 0
3 years ago
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Step-by-step explanation:

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6 0
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Write your answer without using negative exponents.<br> (w^5)^-7
Blababa [14]

Answer:

1/(w^35)

Step-by-step explanation:

According to the rules of exponents, you need to multiply both -7 and 5 such that you get...

w^(-35)

Since you cannot have a negative exponent according to the question, you simplify by...

w^-x means that you do 1/(w^-x)

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Please mark for Brainliest!! :D Thanks!!

For more questions or more information, please comment below!

5 0
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Can anybody help me please
Burka [1]

(7,1) is the correct answer

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3 years ago
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