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2 years ago

Solve for x in the diagram below. Numerical answer only, no units

Mathematics

1 answer:

DiKsa [7]2 years ago

8 0

Answer:

Step-by-step explanation:

Since it is on a right angle we can equation the sum of both angles to 90:
6x-2+20 = 90

Now we simplify:

6x+18=90

Now we subtract 18 from both sides:

6x+18-18=90-18

Simplify:

6x=72

Now we divide both sides by 6:

6x÷6=72÷6

Simplify:

x = 12

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3 years ago

Find the first 4 terms in each sequence

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Answer:

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Step-by-step explanation:

First term a₁ = -21 (Given)

…………………………………

Second term a₂ :

a₂ = $a_{2-1} - 7\\a_{1} - 7\\a_{1} = -21\\-21 - 7 = -28$

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