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3 years ago

Carpet costs $12 per square yard. How much will it cost to carpet a room that is 180 square feet? Please help me

Mathematics

1 answer:

Tom [10]3 years ago

5 0

$2,160. Need an explanation?

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Kenny's charges $8 per hour to babysit he wants to figure out how much money do you earn in a week which variable is needed to c

Korolek [52]

Answer:

Step-by-step explanation:

The amount of hours he has worked would be x 8$

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3 years ago

Ten years ago, Rapunzel's hair was 19 long. Now her hair is 20193 long. Approximately how many times as long is Rapunzel's hair

vladimir2022 [97]

Answer:

Step-by-step explanation:

if you simplify the equation on A., you'll get 1,000 as the number. Rapunzel's hair was approximately 1,000 times longer than it was 10 years ago.

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3 years ago

The figure is made up of a cylinder and a sphere which has been cut in half. The radius of each half sphere is 5 mm. What is

alexgriva [62]

<h2>Answer:</h2>

<em>Rounded to the nearest hundredth the volume of the composite figure is:</em>

<em>1308 33 cubic millimeters</em>

<h2>Explanation:</h2>

Hello! I wrote the complete question in a comment above. The volume of a cylinder is defined as:

$V_{c}=\pi r^2 h \\ \\ r:radius \\ \\ h:height$

While the volume of half a sphere is:

$V_{hs}=\frac{2}{3}\pi r^3$

Since we have 2 half spheres, then the volume of these is the same as the volume of a sphere:

$V_{s}=\frac{4}{3}\pi r^3$

Then, the composite figure is:

$V=\pi r^2 h +\frac{4}{3}\pi r^3 \\ \\ V=\pi r^2(h+\frac{4}{3}r)$

The radius of the cylinder is the same of the radius of each half sphere. So:

$r=5mm \\ \\ h=10mm \\ \\ \\ V=(3.14) (5)^2((10)+\frac{4}{3}(5)) \\ \\ V=25(3.14)(10+\frac{20}{3}) \\ \\ \boxed{V\approx 1308.33mm^3}$

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3 years ago

Find the value of x.<br> 92°<br> 36°

NISA [10]

Answer: the answer is 7°

Step-by-step explanation:

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3 years ago

Select the two values of x that are roots of this equation.<br> x2 - 5x + 2 = 0

Margaret [11]

Answer:

C and D

${x}^{2} - 5x + 2 = 0 \\ x = \frac{5± \sqrt{17} }{2}$

8 0

3 years ago

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