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velikii [3]
2 years ago
15

If angle three is equal to 6x+16 and angle seven is equal to 2x+2 , solve for x.

Mathematics
2 answers:
neonofarm [45]2 years ago
8 0

Step-by-step explanation:

3 and 7 are equal because they are corresponding angles

6x+16=2x+2

6x-2x=2-16

4x= -14

x= -3.5

SashulF [63]2 years ago
5 0

Answer:

-3.5

Step-by-step explanation:

6x + 16 = 2x + 2

4x = -14

x = -3.5

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3 years ago
What is corresponding angle? give a definition of it​
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Answer:

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5 0
3 years ago
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Write an equation for the description.
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6 0
3 years ago
Read 2 more answers
Help finding the sum
Mamont248 [21]
It is asking you to find the sum of k^2 - 1 from k=1 to k=4. Since that is only 4 numbers, calculating the sum by hand wouldn’t be that bad.

(1^2 - 1) + (2^2 - 1) + (3^2 - 1) + (4^2 - 1) = 26

The easier way to find the sum is to use a few simple formulas.

When we have a term that is just a constant c, the formula is c*n.

When we have a variable k, the formula is k*n*(n+1)/2.

When we have a squared variable, the formula is k*n*(n+1)*(2n+1)/6.

In this case, we have a squared variable k^2 and a constant of -1.

So plug in n=4 to the formulas:

4*5*9/6 - 1*4 = 26

The answer is 26







5 0
3 years ago
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