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valentinak56 [21]
3 years ago
11

Please helpp Extra points and brainleist

Mathematics
2 answers:
ivanzaharov [21]3 years ago
5 0
Answers are ACD
Because |x|>or=0
Tasya [4]3 years ago
4 0

Answer:

c

Step-by-step explanation:

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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
Solve for x pls .............................................................................
Eddi Din [679]
There is no solution
Hope this helps :)
5 0
3 years ago
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Please answer all I need help easy
Leokris [45]
The answer k is n divided by 6
8 0
3 years ago
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Shannon drew the line of best fit on the scatter plot shown below:
N76 [4]
Using the points (0,14) and (10,0), the gradient of the line is (14-0)/(0-5) which simplifies to -7/5.

From these points, we can also see that when the x value is zero, the y value is 14. Therefore the y-intercept is 14.

We can then put this into the equation of a straight line, y=mx+c:

y = (-7/5)x + 14
6 0
3 years ago
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d) If the circumference of the circular base of a cone is 44 cm and its height is 30 find its volume.​
lana66690 [7]

Answer:

CSA =220sq.cm

Step-by-step explanation:

3 0
2 years ago
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