3 years ago

A line passes through the point (4,2) and has a slope of -5/2. Write an equation in point-slope form for this line.

Mathematics

1 answer:

stepladder [879]3 years ago

4 0

Answer:

2y+5x-24=0

Step-by-step explanation:

m(slope)=-5/2, x1=4, y1=2

from m=y-y1/x-x1

-5/2=y-2/x-4

2(y-2)=-5(x-4)

2y-4=-5x+20

2y+5x-4-20=0

2y+5x-24=0

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3 years ago

Joseph's lunch at a restaurant costs $13.00 without tax. He leaves the waiter a tip of 17% of the cost of the lunch, without tax

ryzh [129]

Answer:

The total cost of the lunch including the tip is $15.21.

Step-by-step explanation:

To find the total cost of the lunch including the tip, first, you need to calculate 17% of the price of the lunch as the statement indicates that that is the tip Joseph leaves the waiter:

$13*17%=$2.21

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3 years ago

LOOK AT THE PICTURE BLOW

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Answer:

A = 31.8 cm2

Step-by-step explanation:

Yhe formula:

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$r=18/2=9cm$

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$A=\frac{\pi ((9)^{2}(45) }{360} = \frac{\pi (81)(45)}{360} = 10.125\pi cm^{2}$

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Simplify the fraction 56/100

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The simplest fraction of 56/100 would be 14/25

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