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liubo4ka [24]
3 years ago
10

Dog A barks 20 times in 2 minutes, Dog B barks 45 times in 5 minutes, and Dog C barks 66 times in 6 minutes. Which dog barks the

most number of times per minute?
Dog A barks the most times per minute.

Dog B barks the most times per minute.

Dog C barks the most times per minute.

Dog A and Dog B bark the most times per minute.

Dog B and Dog C bark the most times per minute.Dog A barks 20 times in 2 minutes, Dog B barks 45 times in 5 minutes, and Dog C barks 66 times in 6 minutes. Which dog barks the most number of times per minute?

Dog A barks the most times per minute.

Dog B barks the most times per minute.

Dog C barks the most times per minute.

Dog A and Dog B bark the most times per minute.

Dog B and Dog C bark the most times per minute.
Mathematics
2 answers:
PolarNik [594]3 years ago
7 0

Answer:

the answer is c

Step-by-step explanation: Because you need to find out how many times the dog barks in one minute DOG A 20times divided by 2 minutes is 10 per minute 45/5 is 9 66/6 is 11

DerKrebs [107]3 years ago
5 0

Answer:

Dog C barks the most times per minute.

Step-by-step explanation:

Dog A barks 10 times per minute. 20/2 = 10

Dog B barks 9 times per minute. 45/5 = 9

Dog C barks 11 times per minute. 66/6 = 11

11 is greater than 10 and 9, therefore, Dog C barks the most.

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Caroline has 10 marbles. One half of them are blue. How many marbles are blue?
Viktor [21]
Answer: 5

One half of 10 is 10/2 or 1/2(10)
10/2 = 5
1/2(10) = 5
6 0
3 years ago
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Find the areas of the trapezoids.
IceJOKER [234]

Answer:

30 units^2

Step-by-step explanation:

The area of a trapezoid is

A = 1/2 (b1+b2)h

The scale is 2 units per line

b1 = 2 units

b2 = 8 units

h = 6 units

A = 1/2 ( 2+8) * 6

   = 1/2 (10)6 = 30 units^2

5 0
3 years ago
What is the 18th term of the arithmetic
Irina18 [472]

Answer:

J

-66

Step-by-step explanation:

a1 = 2

n = 18

d = - 4

a18  =  a1 + (n - 1) * d

a18 = 2 + (18 - 1)*(-4)

a18 = 2 + 17*-4

a18 = 2 - 68

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3 0
2 years ago
The number N of cars produced at a certain factory in 1 day after t hours of operation is given by Upper N (t )equals 800 t minu
Elden [556K]

Answer:

The cost C as a function of t is C(t) = 30,000 + 6,400,000 t - 40,000 t²

Step-by-step explanation:

The function N(t) = 800 t -  5t², represents the number of cars produced at a time t hours in a day, where 0 ≤ t ≤ 10

The function C(N) = 30,000 + 8,000 N, represents the cost C​ (in dollars) of producing N cars

We need to find The cost C as a function of the time t

That means Substitute N in C by its function by other word find the composite function (C о N)(t)

∵ C(N) = 30,000 + 8,000 N

∵ N(t) = 800 t - 5 t²

- Substitute N in C by 800 t - 5 t²

∴ C(N(t)) = 30,000 + 8000(800 t - 5 t²)

- Multiply the bracket by 8000

∴ C(N(t)) = 30,000 + 8000(800 t) - 8000(5 t²)

∴ C(N(t)) = 30,000 + 6,400,000 t - 40,000 t²

- C(N(t) = C(t)

∴ C(t) = 30,000 + 6,400,000 t - 40,000 t²

The cost C as a function of t is C(t) = 30,000 + 6,400,000 t - 40,000 t²

5 0
3 years ago
Find the area of the shaded region. Round your answer to the nearest tenth if needed.<br><br> 4B
AlexFokin [52]

Answer:

136.1 inches

Step-by-step explanation:

area of a circle is r^2 x pi

this is 3/4 of a circle

1. so 3/4 x 7.6^2xpi

2. 3/4 x 57.76 x pi

3. .75 x 57.76 x pi

4. 136.1

5 0
3 years ago
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