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3 years ago

What is the solution to the equation 1 over 21 multiplied by x is equal to 1 over 7?

Mathematics

2 answers:

evablogger [386]3 years ago

7 0

The second one is $3.98

KengaRu [80]3 years ago

4 0

1/21x = 1/7
x = 1/7 * 21
x = 21/7
x = 3 <===

7.96/2 = 3.98 <==

" at most 20 " = number line graph with closed circle on 20 shaded to left

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$V = \pi r^2 h$

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Step-by-step explanation:

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$V = \pi r^2 h$

And for this case the value for the height is $h = 10.7 in$ the diameter is provided $D = 2r = 8.1 in$ so then the radius is given by:

$r = \frac{D}{2}=\frac{8.1 in}{2}= 4.05 in$

Then we can find the volume with the first formula and replacing we got:

$V = \pi (4.05in)^2 (10.7 in)= 551.4 in ^3$

The final answer for this case would be 551.4 cubic inches

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