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Dmitrij [34]
3 years ago
6

A ballet teacher wants to divide his square classroom in half diagonally with masking tape. How much tape will he need if the si

de length of the classroom is 40 ft?
Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0
The diagonal will be the hypotenuse. In a 40ft square, the triangle will me length=40, height=40. Use Pythagorean theorem to find the hypotenuse.
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The 40th parallel of north latitude runs across the United States through Philadelphia, Indianapolis, and Denver. At this latitu
Ronch [10]

Answer:

793.25 mi/hr

Step-by-step explanation:

Given that:

The radius of the earth is = 3030 miles

The angular velocity = \dfrac{\pi}{12} rads

If a jet flies due west with the same angular velocity relative to the ground at the equinox;

We are  to determine the How fast in miles per hour would the jet have to travel west at the 40th parallel for this to happen.

NOW;

Distance s is expressed by the relation

s = rθ

s = 3030(\frac{\pi}{12} )

s = 793.25

The speed which depicts how fast in miles per hour the jet would have traveled is :

speed (v) = \frac{s}{t}

v = \frac{793.25}{1}

v = 793.25 mi/hr

Hence, the jet would have traveled 793.25 mi/hr due west at the  40th parallel for this to happen.

7 0
3 years ago
Solve the simultaneous equations<br> -x + 5y = -7<br> x + y = – 5<br> x = 1<br> y= 0
vodomira [7]

y= -5-x

-x + 5(-5-x) = -7

-x -25-5x =-7

-x-5x = 25 -7

-6x= 18

x = -3

-3 +y = -5

y= -5 +3

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3 - 10 = -7

5 0
3 years ago
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[REALLY EASY QUESTION]
AVprozaik [17]

Answer:

A. h(x)=4x+2

Step-by-step explanation:

Because it's shifted to the left, you would subtract three units from 5, resulting in 4x+2. Hope this helps, have a nice day! :)

8 0
3 years ago
I need help with those two questions
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3 years ago
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What’s the correct answer for this?
Nataliya [291]
An independent event is an event in which the outcome isn't affected by another event. A dependent event is affected by the outcome of a second event.
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3 years ago
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