2 years ago

This table gives a few (2,y) pairs of a line in the coordinate plane.

Mathematics

1 answer:

Ostrovityanka [42]2 years ago

3 0

Answer:1

Step-by-step explanation:the y is a place holder instead of the digit 1 because there is only one y. Whitch is the same reason why the 2 isn’t 2x because the 2 is a place holder for how many x there are. The problem is showing you how much value each place holders have. (x,y)

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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).

masya89 [10]

Answer:

$40\pi \ m^{2}$

Step-by-step explanation:

we know that

The area of a circle is equal to

$A=\pi r^{2}$

In this problem we have

$r=10\ m$

Substitute and find the area

$A=\pi (10)^{2}=100 \pi\ m^{2}$

Remember that

$360\°$ subtends the area of complete circle

by proportion

Find the area of the shaded regions

The central angle of the shaded regions is equal to $2*72\°=144\°$

$\frac{100\pi }{360} \frac{m^{2}}{degrees} =\frac{x }{144} \frac{m^{2}}{degrees} \\ \\x=144*100\pi /360\\ \\ x=40\pi \ m^{2}$

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2 years ago

Firewood is often sold by the cord. A cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. What's the volume of a cord

NARA [144]

To find the volume of the following Firewood, we would do this:

4 * 4 * 8 = 128 cubic feet

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3 0

2 years ago

Please help, the homework is due in a few hours

givi [52]

Answer:

the aswer is 2

Step-by-step explanation:

this is because 10/5=2

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2 years ago

The product of the consecutive integers is 72. The equation xx+1) = 72 represents the situation where z represents

Dominik [7]

Answer:

2+2x-72=0

Step-by-step explanation:

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3 years ago

HELP!!!? PLS ASP!!!!!!!

vovikov84 [41]

Answer:

Step-by-step explanation:

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