Answer:
He should have to spell at least 36 of these words correctly.
Step-by-step explanation:
40 words.
He must spell at least 90% of those words correctly.
At least how many words should he have to spell correctly to get the prize?
90% of 40. So
0.9*40 = 4*9 = 36
He should have to spell at least 36 of these words correctly.
5/8
A. Real number. True, all rational numbers are real; SELECT ME
B. Non-real; nope, it's real, so not non-real
C. Irrational; nope, it's a rational number, the ratio of integers
D. Rational. Natural numbers on top and bottom, bottom not zero. SELECT ME.
E. Integer; no, it's a fraction.
F. Whole; that's a non-negative integer, nope.
G. Natural, that's a non-zero whole number, nope.
Answer: A D
9514 1404 393
Answer:
∠A ≈ 72°
Step-by-step explanation:
Fill in the given numbers and do the arithmetic.
cos A = (2.9² +2.5² -3.2²)/(2(2.9)(2.5)) = 4.42/14.5
The inverse cosine function is used to find the angle, given its cosine.
A = arccos(4.42/14.5)
∠A ≈ 72°
Answer:
life does suck and I've been just having breakdownnnnns