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NNADVOKAT [17]
4 years ago
10

A referee moves along a straight path on the side of an athletic field. The velocity of the referee is given by v(t) = 4(1-6)cos

(21+5), where is measured in minutes and v(t) is measured in meters per minute.
What is the total distance traveled by the referee, in meters, from time 1 = 2 to time 1 = 6 ?

(A) 3.933

(B) 14.578

(C) 21.667

(D) 29.156
Mathematics
1 answer:
stepan [7]4 years ago
6 0

Answer:

(A). 3.93

Step-by-step explanation:

You need to find the following integral

{\displaystyle  \int\limits_{2}^{6} 4(t-6)\cos(2t+5) \, dt } = 3.93

Therefore the answer is (A). 3.93

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For the picture below, find the measure of the remaining angles and type them next to each angle number . The measure of angle1=
Yuliya22 [10]

I'll answer and explain, its pretty much the last question. Easy way to put it,

1 and 4 are diagonal from each other so they are the same number.

1 and 4 = 120

2 and 3 are diagonal so they both = 60

Same thing for the bottom

1=120

2=60

3=60

4=120

5=120

6=60

7=60

8=120

4 0
3 years ago
Find how many piranhas you can put in a cylindrical tank
mr Goodwill [35]

Answer: The correct answer is 10 piranhas.

Step-by-step explanation:

To calculate the total Volume of a cylinder we have to use the following formula:

Volume = Area * Height

Area = π * r²  , where r= radius

The diameter is always the twice the radius so the diameter is 4 feet in this case and the radius is 2 feet  so the area is

Area= 3.1416 * (2*2)

Area = 3.1416 * 4

Area = 12.5664 square feet

Volume = 12.5664 (area) * 1.25 (height).

Volume = 15.708 cubic feet

Each piranha needs 1.5 cubic feet so we have to divide the total Volume by the volume that each piranha needs

15.708/ 1.5 = 10.472 or ten pirahnas because we can't put a fraction of a piranha in the tank.

7 0
4 years ago
The amounts of e-waste generated in a region during two years were 14,200,000 tons and 10,700,000 tons. What was the total e-was
MArishka [77]

Answer:

C

Step-by-step explanation:

c because if 10,700,000 divided by 100000 its a but add that 5 times and its 1014.

6 0
3 years ago
Read 2 more answers
Last month a cafe had 3200 customers 600 of them ordered gluten-free meals
algol [13]

Answer: 18.75%

Step-by-step explanation:

Here is the complete question:

Last month, a cafe had 3200 customers. 600 of them ordered gluten-free meals. What percentage of the customers ordered gluten-free meals?

To find the percentage of the customers who ordered gluten-free meals, we will divide the number of people who ordered glutton free meal by the total number of customers and then multiply by 100. This will be:

= 600/3200 × 100

= 0.1875 × 100

= 18.75%

6 0
3 years ago
How can you determine if two expressions are equivalent?
Vladimir [108]
Simplify them until they can be simplified no more, then compare both sides. 
7 0
3 years ago
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