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Anna [14]
2 years ago
7

What the answer fast pls

Mathematics
1 answer:
Marrrta [24]2 years ago
7 0

Answer:

x= 20 and y= 12

Step-by-step explanation:

nickel is 5 cents and quarter is 25 cents,

let x be number of nickels and y be number of cents

x+y = 32

5x + 25y = 400

you get x= 20 and y= 12

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Which is the answer for -1/3y + 4 = 3
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2/1

Step-by-step explanation:

_1/3y=_1

y=_1+3/1

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4 0
3 years ago
In a random sample of 70 people, it was found that 44 of them were fans of the New York Yankees. What is the margin of error for
Veronika [31]
The general formula for the margin of error would be:

z * √[p (1-p) ÷ n]

where:
z = values for selected confidence level
p = sample proportion
n = sample size

Since the confidence level is not given, we can only solve for the 
<span>√[p (1-p) ÷ n]  part.
</span>
p = 44/70
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√[44/70 (1 - (44/70) ÷ 70]

√[0.6286 (0.3714)] ÷ 70

√0.2335 ÷ 70

√0.0033357 = 0.05775 or 0.058 Choice B.



7 0
3 years ago
18 Carmen and Abe act out a math problem. Carmen puts
pogonyaev

Answer:

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when I make macaroni and cheese for my brother and me, I use 2 2/3 tablespoons of butter. how much butter will I n need to make
vladimir2022 [97]
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