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shusha [124]
3 years ago
13

How many edges does a triangular pyramid have

Mathematics
2 answers:
monitta3 years ago
5 0

Answer:

Step-by-step explanation: it has 6 sides

kolezko [41]3 years ago
3 0
6 sides. Hope it helepd
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How to find the slope of a line parependicualr to another lie]?
loris [4]
You take the reciprocal of the original slope and negate it
7 0
3 years ago
A theater has 15 rows of seats with 25 seats in each row. If 19 of the seats are vacant , how many are taken?
Dafna11 [192]

Answer:

356 seats

Step-by-step explanation:

25x15=375

375-19=356

4 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
The department store sells logo t-shirts at an original price of $12.50. Every month that a t-shirt doesn’t sell, the store redu
yarga [219]

12.5*0.75*0.75=$7.03

3 0
3 years ago
Read 2 more answers
A scenario in which the optimal objective function contour line coincides with one of the binding constraint lines on the bounda
tangare [24]

Answer: Alternative optimal

Step-by-step explanation:

Alternative optimal solution means that

there are several optimal solutions that can be used to get identical objective function value.

Therefore, a scenario whereby the optimal objective function contour line coincides with one of the binding constraint lines on the boundary of the feasible region will lead to alternative optimal solution.

6 0
3 years ago
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