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PolarNik [594]
3 years ago
12

Don't know how to do it please help

Mathematics
2 answers:
Anon25 [30]3 years ago
8 0
10*7=70
4*2=8
which is now up to - 
Answer: 62
aliya0001 [1]3 years ago
6 0
First you find the area of the whole thing, 7×10=70, then find the area of the unshaded, 2×4=8, then 70-8=62. So your answer is 62cm^2
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A flute case is shaped like a rectangular prism. The caseis 5inches tall, 3 inches wide, and has a volume of 255 cubic inches
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Answer:

The length of the case is 17 inches.

Step-by-step explanation:

A flute case is shaped like a rectangular prism with dimensions:

  • height = 5 inches;
  • width = 3 inches;
  • length = x inches.

The volume of the case is 255 cubic inches.

Use formula for the volume of the rectangular prism:

\text{Volume}=\text{Width}\times \text{Length}\times \text{Height}

Thus,

255=5\cdot x\cdot 3\\ \\255=15x\\ \\x=\dfrac{255}{15}=17

The length of the case is 17 inches.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

The formula for calculating mean = sum of each data / total number

Let the age of the sixth person be x , then

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That is :

22 = 23 + 13 + 17 + 12 + 15 + x / 6

22 = \frac{80+x}{6}

80+ x = 22 x 6

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x = 132 - 80

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Step-by-step explanation:

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