1 year ago

Joe thinks the area to be pantries on wall 2is 84 square feet.

1 answer:

7 0

Please put a picture next time :)

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A car factory made 30 cars with a sunroof and 9 cars without a sunroof. What is the ratio of

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30:9

Step-by-step explanation:

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2 years ago

If The area of a triangle is 84 square meters. What is the base if the height is 12 meters?

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Step-by-step explanation:

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Two boats sail away from a buoy making a 90 degree angle. The first boat is 165 meters away and is traveling at 25 m/s. The seco

NikAS [45]

Answer:

Step-by-step explanation:

lets say in the shown triangle x=165

so speed $\frac{dx}{dt} =25$

and $\frac{dy}{dt} =35$

Also since distance = speed* time

time = pi minutes = pi/60 seconds

y = $\frac{35\pi \pi }{60}$

y = $\frac{7\pi }{12}$

Now using the pythagorean :

$x^2+y^2=z^2\\so \\165^2+(\frac{7\pi }{12} )^2 =z^2$

derivate the equation so we get :

$x\frac{dx}{dt} +y\frac{dy}{dt} =z\frac{dz}{dt} \\$ $165*25+35*\frac{7\pi }{12}=\sqrt{165^2+(\frac{7\pi }{12})^2} *\frac{dz}{dt}$

$\frac{dz}{dt} =25.387$ m/s

So Rate of change = 25.387 m/s

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2 years ago

you generate 3 random whole numbers from 1 to 10. Is it unlikely or even impossible that all the numbers could be 10?

gizmo_the_mogwai [7]

It is unlikely but possible to generate the same number 3 times because each number has the same probability of being generated at random.
hope this was helpful.

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3 years ago

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Could someone pls help:(

dsp73

Answer:

4.5

Step-by-step explanation:

3^2=9

1/2*9=4.5

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2 years ago

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