3 years ago

At Scott's Laundromat, the washing machines accept only quarters and

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

4 0

Answer:

8 quarters and 12 nickles

Step-by-step explanation:

8*25=2.00

12*.05=.60

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Write an equation of a circle that has the center at the origin and goes through (-3,-6)

dexar [7]

Answer:

$x^{2} +y^{2} = 45$

Step-by-step explanation:

General Equation of circle is

$(x-x_1)^{2} +(y-y_1)^{2} = r^{2}$ ----------- (1)

Here

$(x_1, y_1)= (0, 0)$

Radius r is distance from origin (x1, y1) to point (x2, y2)=(-3, -6)

$r=\sqrt{(x_2-x_1)^{2} + (y_2-y_1)^{2} }$

$r= \sqrt{(-3-0)^{2} + (-6-0)^{2} }$

$r= \sqrt{9+36}$

$r=\sqrt{45}$

Substituting values in equation (1)

$(x-0)^{2} +(y-0)^{2} =( \sqrt{45})^{2}$

$x^{2} +y^{2} = 45$

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2 years ago

What are the intercepts?

klio [65]

Answer:

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2 years ago

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LiRa [457]

The first one is 135 per hour if you barely went 90 miles in a hour in a half, and the second one it is 1/3+1/3+1/3 you add 2 more thirds so it means you add 2 forths 1/4/+1/4+1/4=3/4 so you paint 3/4's of the wall

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3 years ago

The Red Sox have won 3 World Series titles in the last 11 years. At this rate, how long will it take them to win 20 World Series

lora16 [44]

The answer is 74 years. do 11/3=3.67. Then 3.67x20 =73.4 and since that .4 is not a full year you would have to round up to 74

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3 years ago

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John left school with $8.43. He found a quarter on his way home and then stopped to buy an apple for $0.89. How much money did h

Marina86 [1]

Answer:

He had $7.79.