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Arturiano [62]
3 years ago
14

Solve the equation: -7n = 105 What is the value of n?​

Mathematics
2 answers:
azamat3 years ago
6 0

Answer:

-15

Step-by-step explanation:

to isolate the variable (n), divide both sides by -7

105/-7=-15

kirza4 [7]3 years ago
3 0

Answer:

-15

Step-by-step explanation:

process of elimination.

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The measure of an angle is 8 times the measure of its complement. tina writes an equation and finds the correct measure of each
pogonyaev
One of the unknown angles (let's called it n) has a complement (meaning their sum adds up to 90 degrees) and the other angle is 8 times the unknown angle (8n)

With all this information, you should have the equation:

n + 8n = 90

To solve, combine like terms to get:

9n = 90

Divide by 9 on both sides to isolate the variable n.

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Now we plug back in to find our angle measurements. The first angle, n, is 10 degrees. The second angle, 8n, is 8 * 10 which is 80; the second angle is 80 degrees. 
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3 years ago
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Ghella [55]

Answer:

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Step-by-step explanation:

<em>Angle AOB and Angle BOC is equal to Angle AOC.</em>

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BOC = 4x-7

AOC= 2x+11

AOB + BOC = AOC

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Therefore, the value of x is 5.

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AOC = 2(5)+11

AOC = 21

!!

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3 years ago
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Answer:

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Step-by-step explanation:

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The ratio Lev : Naomi would be 3 : 8
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3 years ago
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