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kvv77 [185]
3 years ago
10

A 20 foot ladder rests against a building 15 feet from the floor. How far does the ladder extend from the base of the wall? What

angle does the ladder make with the ground?
Mathematics
1 answer:
svlad2 [7]3 years ago
8 0
The ladder extends 13.2 feet from the wall

The ladder makes an acute angle.
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Tennis balls are sold in cylindrical cans with the balls stacked one on top of the other. A tennis ball has a diameter of 6.7 cm
andrey2020 [161]

Answer:

629.92 cm^3

Step-by-step explanation:

The minimum volume of the can that can hold 4 tennis balls must have at least the same volume as 4 tennis balls.

The volume of one tennis ball, V = \frac{4}{3}\pi  r^3

where r = radius of the tennis ball

The diameter of a ball = 6.7 cm

Its radius will be = 6.7 / 2 = 3.35 cm

Volume, V, will be:

V = \frac{4}{3}\pi  (3.35)^3

V = 157.48cm^3

Hence, the volume of 4 balls will be:

4 * V = 4 * 157.48 = 629.92 cm^3

The minimum volume that the cylindrical can has to have is 629.92 cm^3.

6 0
3 years ago
Plz factor this completely
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What am I supposed to be factoring?
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3 years ago
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The x-intercept of the line whose equation is 2x - 3y= 6 is
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The x-intercept is 3 and the y-intercept is -2
4 0
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During the summer, Vontavious makes $8.50 working for his
bekas [8.4K]

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60 hours

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3 years ago
The price for 11 ballpoint pens is $11.77. Which of the following represents the same price per pen? A. 4 pens for $4.44 B. 5 pe
Harrizon [31]
First we need to know how much each pen costs.  So we take 11.77 and divide it by 11.  That gives us 1.07 per pen.  So answer choice A has 4 pens for 4.44, so we need to multiply 1.07 x 4.  That gives you 4.28, so we know that isn't the correct answer.  For option B, we need to multiply 1.07 x 5.  That is 5.35, so that also can't be the answer.  For C, we need to do 1.07 x 6, and that gives us 6.42.  So we know the correct answer is option C.
3 0
3 years ago
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