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natali 33 [55]
3 years ago
14

Find the volume of a cylinder with a radius of 5 cm and a height of 7 cm.​

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0

Answer:

v= 549.78

Step-by-step explanation:

vampirchik [111]3 years ago
6 0

Answer:

549.78

Step-by-step explanation:

V=πr2h=π·52·7≈549.77871

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1) The perimeter of a rectangular classroom floor is 90 feet. The length of the floor is twice the
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Answer: The equation would NOT help us solve for the length and width of the classroom is "x + 2y = 90".

Step-by-step explanation:

Let y be the width of the rectangular classroom floor and x be the length of the rectangular classroom floor .

Given ,

The perimeter of a rectangular classroom floor is 90 feet.

The length of the floor is twice the  width.

i.e. Length =2 (width)

i.e. x= 2y ..(i)

Also, perimeter = 2(length+width)

i.e. 2(x+y)=90\\\\\Rightarrow\ 2x+2y=90

When we put value of x from (i), we get

2(2y) + 2y = 90

Hence, the equation would NOT help us solve for the length and width of the classroom is "x + 2y = 90".

8 0
3 years ago
Can you help me solve this question? Cara has a list of all 720 students in her middle school. she write the name of each studen
Delicious77 [7]
They have to all be middle school students.
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3 years ago
Read 2 more answers
What would be the fraction of 1/2 = wht fraction of /8
kaheart [24]

Answer:

Number would be <u>4</u> to the fraction of \frac{4}{8} =\frac{1}{2}

Step-by-step explanation:

Given:

\frac{1}{2}= \frac{\textrm{Number to find}}{8}\\\textrm{Number to find} =\frac{8}{2}=4

Hence the Number would be 4 when it is divided 8 by we get the value as \frac{1}{2} which is exactly what it is required so.

\frac{1}{2}=\frac{4}{8}

6 0
3 years ago
Francisco has a cylindrical barrel 3 feet tall that he uses to collect rainwater. The barrel is not empty when rain begins to fa
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Answer:

0.4 inches per hour

Step-by-step explanation:

2.5 hrs = 31.5 in

5 hrs = 32.5

that's 1 inch in 2.5 hours

or

1/2.5 = 0.4 inches per hour

3 0
3 years ago
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