Answer:
n = 4 or n = -4
Step-by-step explanation:
We have: 4n² - 3 = 61.
Add 3 to both sides:
4n² = 61 + 3 = 64
Divide both sides by 4:
n² = 64/4 = 16
Square root both sides:
n = +/- √16
n = 4 or n = -4
The answers are 4 and -4.
Perimeter = (2 lengths) + (2 widths) or 2(length + width).
2 (22 + 68.8) = 2 (90.8) = <u>181.6</u>
Answer:
the answer is C hope this helps you
Answer:
U=19
A=8
B=5
Step-by-step explanation:
Cardinality refers to the number of elements in a set.