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Mice21 [21]
4 years ago
11

What is the missing dimension of a rectangle or prism with the following dimensions and volume? Length 3 cm width 5 cm volume 45

cm3 height?Please help me find the height.
Mathematics
1 answer:
dem82 [27]4 years ago
7 0
You got the volume so the formula for finding a rectangular prism is l*w*h=x. l stands for length, w stands for width, h stand for height, and x stands for the total volume. Put the numbers in the formula so do 3*5*l=45 multiply the 3 and 5 and you will get 15*l=45 and divide by 15 on both sides (use a calculator if you can't do it in your head) and the answer should be 3.
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The length of a table is 8 times longer then it’s width. If the perimeter is 72, how wide is the table?
Andrews [41]

Answer:

4 units wide

Step-by-step explanation:

Let the width of the table be 'w'

Given:

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The perimeter of the rectangular table is given as the sum of all the sides of the rectangle. The sides include two lengths and two widths.

Length of the table is 8 times longer than its width. Therefore,

Length,L=8w

Now, perimeter is given as:

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Now, plug in 72 for 'P' and solve for 'w'. This gives,

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So, the table is 4 units wide.

6 0
4 years ago
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worty [1.4K]

Answer:

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Step-by-step explanation:

The maximum heart rate (r ) in beats per minute is modeled by the equation :

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Where

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8 0
3 years ago
Read 2 more answers
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