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mamaluj [8]
2 years ago
8

Please help

Mathematics
2 answers:
satela [25.4K]2 years ago
4 0
The answer is -12. You can answer this by simply adding -6 and -12 or do it algebraically and and 6 to both sides giving you b=-12.
Hope this helps!

Alex73 [517]2 years ago
3 0
-12 is the correct answer
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Some angles are shown. Complete each of the 2 activities for this Task. Activity 1 of 2 The measure of angle NOP is 140°. Which
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Answer:

A. 23+x=140

Step-by-step explanation:

The angle addition postulate states that the measure of a larger angle formed by two or more smaller angles placed side by side is the the sum of the smaller angles. The angle addition postulate states that if B is in the interior of AOC , then:

m∠AOB + m∠BOC = m∠AOC.

From the image:

∠NOP = ∠NOQ + ∠QOP

∠NOP = 140, ∠NOQ = x, ∠QOP = 23

substituting:

140 = x + 23

x = 140 - 23 = 117

∠NOQ = 117°

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3 years ago
4900÷7= slove without a calculator.​
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Answer:

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Step-by-step explanation:

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2 years ago
What is the explicit formula for this sequence -7, -4, -1, 2, 5
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Answer:

\large\boxed{a_n=3n-10}

Step-by-step explanation:

It's an arithmetic sequence.

-4-(-7)=-4+7=3\\-1-(-4)=-1+4=3\\2-(-1)=2+1=3\\5-2=3

The difference is constant.

The explicit formula of an arithmetic sequence:

a_n=a_1+(n-1)d

Substitute:

a_1=-7,\ d=3

a_n=-7+(n-1)(3)          <em>use distributive property</em>

a_n=-7+3n-3\\\\a_n=3n+(-7-3)\\\\a_n=3n-10

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Read 2 more answers
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