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Mamont248 [21]
3 years ago
10

HELPPSOJSUSHHWYAYSYYSYYEHWHWHS​

Mathematics
1 answer:
OlgaM077 [116]3 years ago
4 0

Answer:

1. (-4, 1)

2. I substituted (y = x + 5) into (3x + y = -11) first before substituting the value of x into (y = x + 5) to find the value of y.

Step-by-step explanation:

Substitute y = x + 5 into 3x + y = -11:

3x + y = -11

3x + x + 5 = -11

4x + 5 = -11

4x = -11 - 5

    = -16

x = -16 ÷ 4

x = -4

Substitute x = 4 into y = x + 5:

y = x + 5

y = -4 + 5

y = 1

A coordinate point is written like this: (x, y)

Thus, the final answer is: (-4, 1)

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Shirley has a circular rug in her dining room that has an area of 36 pie Square meters what is the radius of the circular rug
ValentinkaMS [17]

Answer: The radius of the circular rug is  6 meters.

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

<em>Area of a circle (A) = pi r² </em>

Where r is the radius:

Replacing with the values given:

36 pi=pi r²

Dividing both sides by pi:

36 = r²

√36= r

r = 6 meters

So, the radius of the circular rug is  6 meters.

Feel free to ask for more if needed or if you did not understand something.

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What is the product of 9,028 x 100,000 written in expanded form​
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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
Which is an equation in point-slope form for the given point and slope?
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The point-slope form: y-y_1=m(x-x_1)

Q2.

(1,\ -7)\to x_1=1,\ y_1=-7\\m=1\\\\y-(-7)=1(x-1)\\\\y+7=(x-1)

Q3.

(5,\ 9)\to x_1=5,\ y_1=9\\m=2\\\\y-9=2(x-5)

Q4.

y=mx+b\\\\(0,\ 1)\to b=1\\\\y=mx+1

The formula of a slope: m=\dfrac{x_2-x_1}{y_2-y_1}

((-2,\ 4)\to x_1=-2,\ y=4\\(2,\ -2)\to x_2=2,\ y_2=-2\\\\m=\dfrac{-2-4}{2-(-2)}=\dfrac{-6}{4}=-1.5

y=-1.5x+1

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