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ludmilkaskok [199]
3 years ago
11

The Johnson’s great room is rectangular , 30 feet by 25 feet and has a 12-foot ceiling. How many square feet of carpet is needed

to cover is needed to cover the floor? What information is unnecessary in the problem
Mathematics
1 answer:
Oksana_A [137]3 years ago
4 0

that the celling is 12 feet

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How do you find the slope using a table
nasty-shy [4]

Change in y over change in x

Step-by-step explanation:

To make this easier to understand lets make a table

<u>   x   |   y    </u>

  1   |   2

 2   |   4

 3   |   6

Now we go back and find the slope. This is really simple as the rise and run is displayed.

  1. Count the change in x

In this case x changes by 1

    2. Count the change in y

In this case it changes by 2

Now put it into rise over run

Rise(y)/Run(x)

your m or slope would be 2/1 or 2

and in a y=mx+b would be

y=2x+b

4 0
3 years ago
Read 2 more answers
the volume of a sphere whose diameter is 18 centimeters is ? cubic centimeters. If its diameter were reduced by half its volume
Ghella [55]
A) The formula for the volume of a sphere in terms of its radius (half the diameter) is
V= \frac{4}{3}\pi r^{3}
For your 18 cm sphere, the volume is
V= \frac{4}{3}\pi(9 cm)^{3} = 972\pi \cdot cm^{3} \approx 3054 cm^{3}

B) If the diameter were reduced by half, the volume would be (\frac{1}{2})^{3}=\frac{1}{8} of the original volume.
7 0
3 years ago
Read 2 more answers
Complete the equation of the line through (6,-6) and (8,8). Y =
Damm [24]

Answer:

7x-48

Step-by-step explanation:

we want our equation to look something like this

y=mx+b

let's start by solving for m (the slope) using the slope formula

\frac{y_2-y_1}{x_2-x_1}\\\\\frac{8-(-6)}{8-6}\\\\\frac{14}{2}=7

Which means, so far, our equation looks like this

y=7x+b

now we just need to solve for B

We can do this by plugging in a set of coordinates

-6=7*6+b

-6=42+b

-48=b

which means our equation is

7x-48

6 0
3 years ago
4.07, 4.070, 4.70, 4.0700 what value is not equivalent.
larisa [96]
4.70, all the others can be simplified to 4.07 by taking away the zeroes after the 7 because they are not significant, The one before the 7 stays because it is significant as it is holding the tenths place value.
5 0
3 years ago
Read 2 more answers
SOMEONE ANWSER QUICK !
xenn [34]

Answer:

I think that the answer would be C because you have to multiply the term at the top. This would mean you would not do C. Sorry if this is wrong. At least you have your eliminating process now. lol so doing C is out of the box, which makes C your answer.

Step-by-step explanation:

6 0
3 years ago
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