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3 years ago

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Kris’s mom is putting up a border on the walls of Kris’s room. Her room is 12 feet long and 10 feet wide. How much border will b

e needed to go all the way around the room?

1 answer:

Oksanka [162]3 years ago

6 0

Answer:

120 sq

Step-by-step explanation:

For example, if you are buying carpet for a room that is 12-feet long and 10-feet wide, multiply the two dimensions: 12 ft. x 10 ft. = 120 sq.

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What is the equation of a line passing through the points (-3,<br> -2) and (2, 0)?

Lostsunrise [7]

Answer:

$y=0.400x+-0.800$

Step-by-step explanation:

Given the following question:

point A = (-3, -2)
point B = (2, 0)

To write the equation of the line that passes through two points we have to write the points in slope intercept form.

Formula for slope intercept:

$y=mx+b$

M is equal to the slope of the two points, so first we need to fine the slope of the two points.

$(-3,-2)=(x1,y1)$
$(2,0)=(x2,y2)$

$m=\frac{y2-y1}{x2-x1}$
$m=\frac{0--2}{2--3} =\frac{2}{5}$
$m=\frac{2}{5} =0.400$

$y=mx+b$
$y=-2$
$m=0.400$
$x=-3$
$-2=0.400(-3)+b$
$0.400\times-3=-1.20$
$-2+1.2=-0.800$
$b=-0.800$

$y=0.400x+-0.800$

Hope this helps.

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2 years ago

How do i express 11/20 as a percent??

Reptile [31]

So since a percent is out of 100 you would put 11/20 and right an equal sign next to that and the bottom fraction would be x/100. Then you would find the relationship between 100 and 20. 20 times 5 is 100 so then 11 times 5 is 55. 55% is your answer

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Marta_Voda [28]

The answer is .5 of an inch

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A hotel plans to use marble for part of the floor lobby. The marble section of the floor will be in the shape of a triangle with

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It will cost $14,400 to do the triangle the hotel plans to do.

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How do I do part c?

neonofarm [45]

Think you need to add everything up

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3 years ago