Answer: q=210
Step-by-step explanation:
For this question you have to do the inverse to 'undo' the equation.
So, instead of taking away 89 you have to add it to 121.
q=121+89
q=210
Hope this helps :)
Answer:
c
Step-by-step explanation:
18+(-5)
+-+
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Answer:
Let's call the numbers n and n + 2.
(n + 2)² - n²
= n² + 4n + 4 - n²
= 4n - 4
= 4(n - 1)
Please put a more clear picture
Answer:
see explanation
Step-by-step explanation:
The perimeter (P) is the length of all 3 sides of the triangle
The triangle is isosceles with 2 equal sides 20 - 7xy
P = 20 - 7xy + 20 - 7xy + 12 = 52 - 14xy
When x = 2, y = 1, then
P = 52 - 14(2)(1) = 52 - 28 = 24