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almond37 [142]
3 years ago
5

Could someone help me and explain how to do this!?

Mathematics
2 answers:
Burka [1]3 years ago
8 0
Answer: B

Explanation:
To find the discount, you have to multiply the percentage, 40%, by the usual cost, $8.00.

$8.00 x .4 = $3.20

Now to find the sales price, subtract your discount amount from the original price.

$8.00 - $3.20 = $4.80

Hope this helped! :3
jekas [21]3 years ago
5 0

Answer: B

Step-by-step explanation:

the cost is $8, and it goes for 40% off, so the discount is 8*40%=3.2;

then the sale price = 8-3.2 = 4.8.

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A random sample of 7 fields of durum wheat has a mean yield of 29.8 bushels per acre and standard deviation of 3.62 bushels per
meriva

Answer:

CI = 29.8 ± 3.53

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First of all let's find margin of error. It is given by the formula;

ME = zσ/√n

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