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Anna35 [415]
3 years ago
13

Allen spends two-thirds of an hour on math homework three times a week and three-quarters of an hour on science homework two tim

es a week. how long does allen spend on math and science homework each week?
Mathematics
2 answers:
astraxan [27]3 years ago
7 0
Allen spends 40 mins per day
40 times 3 is 120 mins
Allen spends 120 mins on math homework per week

Allen spends 45 mins per day on science homework
45 times 2 is 90 mins
Allen spends 90 mins on science homework per week
kompoz [17]3 years ago
6 0

3 1/2 is the answer folks.

A

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James calculated the height of a cylinder that has a volume of 324 pi cubic inches and a radius of 12 in his work is shown below
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Answer:

13.5cm

Step-by-step explanation:

V=Bn

Step 1: 3245 - 12h

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Step 3: 245 245

Step 4: h-13.5

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What is the first error that James made when calculating the height of the cylinder?

In step 1, he substituted into the volume formula incorrectly.

In step 2, he calculated 122 incorrectly. It should be 144 rather than 24.

In step 4, the should have canceled, making the correct answer 13.5 cm.

James calculated the height of the cylinder correctly

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