Answer:
Exponents: 1
Constants: -5, 2
Step-by-step explanation:
7y + x - 5 + 2
Exponents: 1
Constants: -5, 2
Answer:
there would be a 44.4% chance of drawing all blue marbles.
Step-by-step explanation:
7+3+8=18 (total marbles) (8=the amount that are blue in the total)
8/18=44.4%
Answer:
Step-by-step explanation:
You got 91% of the questions right out of 175. In math words, this is saying that:
So, you got 175 - 159 = 15.75 questions wrong. The decimal could be from getting only part of a question wrong. So you got partial credit for one question
Step-by-step explanation:
(72)¹⁴³ ≡ x (mod 7)
Since 72 ≡ 2 (mod 7),
72³ ≡ 2³ (mod 7) ≡ 1 (mod 7).
Therefore (72)¹⁴³ = (72³)⁴⁷ * (72²)
≡ 1⁴⁷ * 4 (mod 7) ≡ 4 (mod 7).
The answer is A.