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blondinia [14]
3 years ago
8

members of a comuntiy center have decided to paint a lrge circuler mural in the middle of the parking lot. The radius of the mur

al is to be 11 yards. Before they begin painting the mural,thay use rope to form the outline. How much rope will they need?
Mathematics
1 answer:
Maksim231197 [3]3 years ago
7 0

They will need 11 yards of rope


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What half 7 1/2? Someone pls help meh​
Lina20 [59]

Not sure exactly what you mean, but heres the answers i got for this:

Exact form: 15/2

Decimal form: 7.5

3 0
3 years ago
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3. Is the relationship shown by the data linear? If so, model the data with an equation X | Y 1 ,5| 5,10| 9,15| 13,20|
son4ous [18]

Answer:

y=\frac{5}{4}x+\frac{15}{4}

Step-by-step explanation:

x | y

-------

1     5

5   10

9    15

13   20

This one is linear because as x goes up by the same number so does y. So the ratio of difference of y to difference of x is the same per pair of points.

So a linear equation in slope-intercept form is y=mx+b where m is the slope and b is the y-intercept.

To find the slope, I'm going to line up the points vertically and subtract, then put 2nd difference over 1st difference. Like so,

( 1    ,   5)

-( 5   ,  10)

----------------

-4          -5

So the slope is 5/4 which makes sense since the y's are going up by 5 each time and the x's are going up by 4 each time.

So we have m=5/4. Let's plug that into our y=mx+b.

y=5/4 x+b

To find b, we need to use y=5/4 x+b along with one of the given points.

Choose; it doesn't matter.  I like (1,5) I guess.

y=5/4 x +b with (1,5)

5=5/4 (1)+b

5=5/4    +b

Subtract 5/4 on both sides:

5-5/4=b

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15/4=b

The y-intercept is 15/4 so b=15/4.

So the equation for the line in slope-intercept form is y=5/4 x +15/4.

y=\frac{5}{4}x+\frac{15}{4}

4 0
3 years ago
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What is the value of 9(n+2)−5n for n=14?<br> 3<br> 9<br> 10<br> 19
Murrr4er [49]
If you want to know the value of a  function, you need to substitute the variable (here n) for the value:

so in the function

9(n+2)−5n

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<span>9(14+2)−5*14

first calculate the inside of the bracket:

</span>
<span>9*16−5*14

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Perhaps you mistyped the questions? can you check it again, please?

</span>
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Carpet Master would be cheaper because 6 x 9 would be 54 $$$
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