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3 years ago

Your cousin gave you $2.98 which to buy a present this covered 2/7 of the cost how much did the present cost

Mathematics

2 answers:

Nataliya [291]3 years ago

8 0

Answer:

the present would cost $22.20

antiseptic1488 [7]3 years ago

8 0

10.25 I think, you need to multiply 2.98 by 3 and then add 2.98/2 and that should be the answer

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3 years ago

Vending machines can be adjusted to reject coins above and below certain weights. The weights of legal U.S. quarters have a norm

tigry1 [53]

Answer: The percentage of legal quarters will be rejected by the vending machine = 2.275%

Step-by-step explanation:

Given: The weights of legal U.S. quarters have a normal distribution with a mean of 5.67 grams and a standard deviation of 0.07 gram.

Let x be the weights of legal U.S. quarters .

Required probability: $P(x5.81)$

$=P(\dfrac{x-\mu}{\sigma}\dfrac{5.81-5.67}{0.07})\\\\=P(z2)\approx0.02275 \ \ \ [By\ P-value\ calculator]$

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

The surface area of the prism is ______ square units. All measurements in the image below are in units. (Input the whole number

Alex787 [66]

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3 years ago

Amir is sorting his stamp collection. He has made a chart of what countries the stamps are from

natulia [17]

Answer:

Step-by-step explanation:

Given that Amir is sorting his stamp collection. He has made a chart of what countries the stamps are from

He got results as

France 1/3

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Spain 1/6

To find out what fraction of Amir's stamps are from France, Morocco, or Spain, we have to simply add the three as there is common element between any two pairs

Hence answer is

$\frac{1}{3} +\frac{5}{12} +\frac{1}{6}\\ =\frac{11}{12}$

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3 years ago

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