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saw5 [17]
2 years ago
11

Please answer these questions quick thank you!

Mathematics
1 answer:
BabaBlast [244]2 years ago
8 0

Answer:

3

Step-by-step explanation:

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I NEED PLEASE IT WOULD REALLY HELP ME ALOT !!<br><br><br> NO LINK OR ZOOMS
Karolina [17]

Answer:

C

Step-by-step explanation:

Don't worry about the volume to start with. Just look at the area of the top or bottom.

The hole has a 4 inch diameter

d = 4

r = d/2

r = 2

Area = pi r^2

Area = pi * 2^2

Area = 4 pi

Now find the area of the top (or bottom) if the circle was not there.

L = 8

W = 6

Area = L * W

Area = 8 * 6

Area = 48

Now take away the area of the circle.

Area Top = 48 - 4 * pi

Area Top = 48 - 12.56

Area Top = 35.44

Finally, Find the volume

Volume = area of the top * height

Volume = 35.44 * 15

Volume = 531.6

8 0
2 years ago
A triangular course for a canoe race is marked with buoys. The first leg is 3/10 mi, the second leg is 1/2 mi, and the third leg
balu736 [363]
<h2>The race is 1.2 miles long</h2>

Step-by-step explanation:

The first leg is 3/10 mi, the second leg is 1/2 mi, and the third leg is 2/5 mi.

\texttt{Length of first leg = }\frac{3}{10}miles\\\\\texttt{Length of second leg = }\frac{1}{2}miles\\\\\texttt{Length of third leg = }\frac{2}{5}miles

Now we need to find length of race

       \texttt{Total length = }\frac{3}{10}+\frac{1}{2}+\frac{2}{5}\\\\\texttt{Total length = }\frac{3}{10}+\frac{5}{10}+\frac{4}{10}\\\\\texttt{Total length = }\frac{3+5+4}{10}\\\\\texttt{Total length = }\frac{12}{10}\\\\\texttt{Total length = }1.2miles

The race is 1.2 miles long

7 0
2 years ago
How are unit rates, constant of proportionality, and scale factors are related.
vfiekz [6]
I found this online I hope it helps a little if not, then sorry.
6 0
2 years ago
Kyle wants to compare 0.02 to 1/4 using fractions. Which fraction can you use for 0.02?
Crazy boy [7]

Answer:

\frac{1}{50}

Step-by-step explanation:

\text{Kyle wants to compare 0.02 to }\frac{1}{4} \text{ using fractions}\\\\\text{we need to convert 0.02 into fractional form.}\\\\\text{to convert a decimal into fractional form we divide by }10^n,\\\text{where n is the number of digits after decimal, and remove decimals}\\\text{from the number.}\\

\text{here in 0.02, we can see that the number of digits ater decimal is 2,}\\\text{so to convert it into fractional form, we get}\\\\0.02=\frac{2}{10^2}\\\\=\frac{2}{100}\\\\=\frac{1}{50}\\\\\text{so in decimal form, we can write 0.02 as }\frac{1}{50}\\

3 0
3 years ago
1)if the equations 2x +y=7 and x-y= 2 are solved simultaneously, then y =
Dimas [21]

Answer:

Step-by-step explanation:

1)  2x + y =7 -------------(I)

   x - y = 2   -----------(II)

2x + y = 7

<u> x - y = 2 </u>   {Now add both the equations. 'y will be cancelled}

3x     = 9

      x = 9/3

      x = 3

Plugin x = 3 in equation (I)

 2*3 + y = 7

     6+ y = 7

            y = 7 - 6 = 1

Answer: a) y = 1

2) Prime factorize 12 , 15 and 18

12 = 2 * 2 * 3

15 = 3 * 5

18 =  2 * 3 * 3

HCF = 3

e) 3

6 0
2 years ago
Read 2 more answers
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