Answer:
4+ <u>-6 </u>= <u>-2</u>
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Step-by-step explanation:
Answer:
This is not a proportion
Step-by-step explanation:
Set up a proportion
9/6 = 2/1
Check with cross products
9*1 = 6*2
9 = 12
This is not true so they are not proportional
Answer: y = -90, 90
Step-by-step explanation:
To solve this, we will isolate the variable.
Given:
10 = |
|
Absolute value:
10 =
& -10 = 
Multiply both sides of both equations by 9:
90 = y & -90 = y
Answer:
y = -90, 90
Answer:
312123
Step-by-step explanation:
Answer:
n = 8
Step-by-step explanation:
The angles are vertical angles and so they are equal
9n = 8n+8
Subtract 8n from each side
9n - 8n = 8n+8-8n
n = 8