Answer:
21n² - 28n + 7
Step-by-step explanation:
Each term in the second factor is multiplied by each term in the first factor, that is
3n(7n - 7) - 1(7n - 7) ← distribute both parenthesis
= 21n² - 21n - 7n + 7 ← collect like terms
= 21n² - 28n + 7
Answer:
8.6
Step-by-step explanation:
Answer:
C. 73 if I have read the given angle measurements correctly.
The angle measurements I see are:
.
Step-by-step explanation:
Those angles together form a full rotation. A full rotation is equal to 360 degrees.
So we have the following equation to solve:
Combine like terms:
Simplify:
Divide both sides be 2:
Subtract 107 on both sides:
X(3) - Y(2) = 14. So you need numbers that will multiply by 3 and a number that multiply by 2 that will equal 14.
The x can be 10 (equals 30) and then y can be 8 (equals 16).
30 subtracted by 16 equals 14.
ANSWER:
X = 10 Y = 16
3(10) - 2(8) = 14
Hope this helped. Have a great day. A thank you and (or) brainliest is always appreciated. Goodbye!
