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olya-2409 [2.1K]
3 years ago
6

A ladder 13 feet long is leaning against a house.  The base of the ladder is pulled away from the wall at a rate of 2 feet per s

econd.  How fast is the top of the ladder moving down the wall when its base is 5 feet from the wall?
Mathematics
1 answer:
Kamila [148]3 years ago
4 0
I believe the answer is 10 feet per second?
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PLEASE GIVE AN EXPLANATION WITH YOUR ANSWER! The table below shows the change in the value of shares over the last three years.
gulaghasi [49]

First, lets convert them into multipliers:

The multiplier for a:

                             25% increase = 1.25

                             40% decrease = 0.6

                             40% increase  = 1.4

Now to work out the overall percentage change, we just times all of the multipliers together, and convert it back to a percentage:

1.25 x 0.6 x 1.4 = 1.05    

So the overall multiplier is 1.05

And a multiplier of 1.05 = a <u>5% increase</u>.

That means that the percentage change is + 5%

_________________________________________

Answer:

The percentage change in shares from the start of 2013 to the end of 2015 is:

+ 5%

_______________________________________

Note: if you haven't been taught multipliers - then ask and I'll try my best to explain!

6 0
3 years ago
A puppeteer is making a triangular hat for a puppet. If two of the three angles of
Burka [1]

Answer:

The triangle is an isosceles triangle and the measure of the third angle is 120°

Step-by-step explanation:

the other nd 2 angles in the triangle both measures 30 degrees, the triangle angle sum theorem states that all the angles in a triangle add up to 180 degrees. Add the first two angles together and subtract it from 180. That's

180 - 60 and it equals 120

5 0
3 years ago
A scale model of a butterfly has a width of 12 centimeters and a height of 8 centimeters. If the actual width of the butterfly i
Nataliya [291]

Isn't it 5? x=5 cause the model's height is 4 less than the width so like if the actual width is 9 than the height is 4 smaller

8 0
3 years ago
(08.05 LC)<br><br> Which two-dimensional shape can be rotated about the y-axis to create a cone?
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Any right triangle can.

4 0
3 years ago
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Select the equation of the line that passes through the point (5, 7) and is perpendicular to the line x = 4.
Dmitry_Shevchenko [17]
Yes, I think the answer is y = 7. The line x = 4 runs vertical (because all of the points in that line have an x-value of 4) so any line that is perpendicular to it has to be horizontal. Any line that is horizontal is in the form y = (some number). In order for the new line to run through the point (5,7) it would have to have the same y-value as that point, which is 7. So the new line is y = 7. Hope this helps :) (P.S. try graphing them both if you need a visual.)
8 0
4 years ago
Read 2 more answers
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