1 answer:
15 and the error is on step 3 Reasoning: I’m not certain how they got 1.5 but you basically divide both sides by two, the 2 would be canceled and you would be left with w, divide 30 by 2 and you get w=15, sorry i suck at explaining
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Answer: 21 inches
The diameter is 42, so you cut this in half to get 21. The height of 36 does not affect the diameter or radius, so we can ignore it.
Answer:
34
Step-by-step explanation:
Marcy got 15% of the 40 wrong
.15 *40
6
If she got 6 wrong, then she got the rest right
40-6 = 34
She got 34 right
Answer:
y = -1
x = -1
Step-by-step explanation:
The empirical probability that people would prefer KitKat is 12/30, or 0.4.
Then, among 330 people, 0.4(330 people), or 132, would prefer KitKat.
Answer:
given
n=9
a=1
d=3-1=2
Step-by-step explanation:
now , by formula,
sn = n/2(2a+(n-1)d)
= 9/2(2×1+(9-1)×2)
=9/2×18
=81