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PtichkaEL [24]
3 years ago
11

A floor in Phillip’s house is rectangular and measures 12 feet (ft) by 14 feet. He wants to put a circular rug on the floor. Whi

ch is closest to the area of the largest circular rug he can use? Use 3.14 for pi.
A.113 ft2
B. 154 ft2
C.452 ft2
D.615 ft2
Mathematics
1 answer:
ch4aika [34]3 years ago
4 0
B. 154 ft2

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One line passes through the points \blueD{(-3,-1)}(−3,−1)start color #11accd, (, minus, 3, comma, minus, 1, ), end color #11accd
mart [117]

Answer:

The lines are perpendicular

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are the same

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

Remember that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

<em>Find the slope of the first line</em>

we have the points

(-3,-1) and (1,-9)

substitute in the formula

m_1=\frac{-9+1}{1+3}

m_1=\frac{-8}{4}

m_1=-2

<em>Find the slope of the second line</em>

we have the points

(1,4) and (5,6)

substitute in the formula

m_2=\frac{6-4}{5-1}

m_2=\frac{2}{4}

Simplify

m_2=\frac{1}{2}

<em>Compare the slopes</em>

m_1=-2

m_2=\frac{1}{2}

Find out the product

m_1*m_2=(-2)(\frac{1}{2})=-1

therefore

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8 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the points (−2, 1) and (1, 10)?
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Answer:

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Step-by-step explanation:

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y = 3x + b

From (-2 | 1) we see that when x = -2, y = 1

Placing into the equation, in order to find b (y-intercept)

y = 3x + b

1 = 3(-2) + b

b = 7

y = 3x + 7 or 3x - y = -7

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What is the constant variation of k and what’s the equation
AlekseyPX

Answer:

dhfghnvgntgf

Step-by-step explanation:

gfhhnfghgf hbv hn g

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