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prohojiy [21]
4 years ago
14

PLEASE HELP FAST! ITS EASY! WILL GIVE BRAINLIEST!

Mathematics
1 answer:
abruzzese [7]4 years ago
6 0

Answer:

160 kilometers per hour

9560 kilometers per minute

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Two students in mr d'alsesandro's class were asked to write an equivalent expression for the expression (a-6) (a-4). identify th
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Britney is correct

Step-by-step explanation:

Gabrielle is wrong because when mutiply -6 and -4, the negatives cancel out to give +24.

3 0
4 years ago
A running track consists of two parallel lines that are connected at each end but the curved boundary of a semicircle. The paral
saveliy_v [14]

Answer:

The area inside the running track is 248.5 m².

Step-by-step explanation:

The area inside the running track is given by the sum of the area of a rectangle and the area of a semicircle:

A_{t} = A_{r} + 2A_{c}                

A_{t} = x*(2r) + 2*(\frac{\pi r^{2}}{2})      

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x: is one side of the rectangle = 30 m            

r: is the radius = half of the other side of the rectangle = 7/2 m = 3.5 m

Hence, the total area is:

A_{t} = 30*7 + \pi (3.5)^{2} = 248.5 m^{2}                            

Therefore, the area inside the running track is 248.5 m².

I hope it helps you!                                                    

3 0
3 years ago
The surface area of Earth is about 196.9 million square miles. The land area is about 57.5 million square miles and the rest is
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196.9-57.5= 139.4 million sq miles is water
Probability is described as predicted outcomes over total outcomes so, 139.4/196.9
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Completely factorize (2x+3)^-2 + 2x(2x+3)^-3
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Hello,

\dfrac{1}{(2x+3)^2} + \dfrac{2x}{(2x+3)^3} \\

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3 years ago
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38.97 would be standard form
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4 years ago
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