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Elden [556K]
2 years ago
12

a certain rectangular carpet covers 200 square meters. it’s width is 4 meters. how long is the carpet?

Mathematics
1 answer:
timofeeve [1]2 years ago
6 0

Answer:

50 square meters

Step-by-step explanation:

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Find the following equation
adoni [48]

Answer:

y=\frac{-1}{2}x+7

Step-by-step explanation:

Slope intercept form: y=mx+b when m is the slope of the line and b is the y-intercept (the y-coordinate of the point the line crosses the y-axis)

<u>1) Find the slope (</u>m<u>)</u>

m=\frac{y_2-y_1}{x_2-x_1} when the points are (x_1,y_1) and (x_2,y_2)

We can use any two points that the table gives us to plug into this equation. For example, we can use the points (14,0) and (0,7):

m=\frac{0-7}{14-0}\\m=\frac{-7}{14}

Simplify the fraction

m=\frac{-1}{2}

So far, our equation looks like this:

y=\frac{-1}{2}x+b

<u>2) Find the y-intercept (</u>b<u>)</u>

The y-intercept is the y-coordinate of the point the line crosses the y-axis, or in other words, it's the value of y when x is equal to 0.

Looking at the table, we can see that y is equal to 7 when x is equal to 0, so, therefore, b=7.

Now, this is our final equation after plugging in m and b:

y=\frac{-1}{2}x+7

I hope this helps!

3 0
3 years ago
Draw an array to find the partial products for 4x125
rodikova [14]
4 x 125 = five hundred
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A farmer harvests 15 cucumbers for every 45 carrots. Which of the following ratios represents the ratio of cucumbers to carrots,
Sever21 [200]
15 cucumbers to 45 carrots...

so the ratio of cucumbers to carrots is : 15/45 which reduces to 1/3 <==
5 0
4 years ago
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What number goes into both 40 and 24
Anton [14]

Answer:

4 40 divided by 4 equals 10 and 24 divided by 4 equals 6

Step-by-step explanation:

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If p, q, r, and s are consecutive even integers such that p &lt; q &lt; r &lt; s, then how much greater is s - p than r - q ?
Irina18 [472]

Answer:

Whenever you assume values, try and make them as accurate as possible i.e. I am looking for consecutive even numbers so I will assume the values to be (2n - 2), 2n and (2n + 2)

s2−r2−q2=(2n+2)2−(2n)2−(2n−2)2s2−r2−q2=(2n+2)2−(2n)2−(2n−2)2

You get: 4n (4 - n)

So the solution must have 4 as a factor, which we see all options do.

To get -20, n(4-n) must be (-5). It will happen when n = 5.

To get 0, n = 0

To get 12, n(4-n) must be 3. It will happen when n = 3

To get 16, n(4-n) must be 4. It will happen when n = 2

There is no way n(4-n) could be 2 if n is an integer so 8 is not possible.Step-by-step explanation:

4 0
3 years ago
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