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goblinko [34]
3 years ago
11

Which statement about speed and/or velocity is true? an airplane was at 34500 feet in the air before it descents the airplane de

scends at a rate of 1725 feet/minute how long does it take for the plane to touch down on the air strip
Mathematics
1 answer:
Rashid [163]3 years ago
3 0

Answer:

ndjdjd sjsjns sjsjns snsjsbs sbnb hi x xnxnxx bz

Step-by-step explanation:

d

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Store A sells boxes of rice for $2.50 each.
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
A traffic engineer monitors the rate at which cars enter the main highway during the afternoon rush hour. From her data she esti
sertanlavr [38]

Answer:

On average, cars enter the highway during the first half hour of rush hour at a rate 97 per minute.

Step-by-step explanation:

Given that, the rate R(t) at which cars enter the highway is given the formula

R(t)= 100(1-0.0001t^2)

The average rate of car enter the highway during first half hour of rush hour is the average value of R(t) from t=0 to t=30.

\therefore \int_0^{30}  100(1-0.0001t^2)\ dt

=[100(t-0.0001\frac{t^3}{3})]_0^{30}

=100[(30-0.0001\frac{30^3}{3})-(0-0.0001\frac{0^3}{3})]

=2901

The average rate of car is =\frac{\textrm{The number of car}}{Time}

                                           =\frac{2910}{30}

                                          =97

On average, cars enter the highway during the first half hour of rush hour at a rate 97 per minute.

8 0
3 years ago
What is 2 3/10 as a percent?
kobusy [5.1K]
2 3/10 = 2.3
To get this number as a percent, we need to multiply it by 100: 2.3 is a whole number, and can be represented by fraction 2.3/1
A percentage is represented by a fraction over 100. So to transform 2.3/1 to a percentage, just multiply both numerator and denominator by 100, and you'll get 230/100.
So 2 3/10 is 230% as a percent.

Hope this Helps! :)
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3 years ago
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3 years ago
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The Bar Chart shows the weights of 10 dogs entered in a local dog show,
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Is there any picture ?
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3 years ago
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