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brilliants [131]
3 years ago
9

Grayson has 3 music lessons each week. Each lesson is 45 minutes long. How many total hours will he spend in music lessons in a

year
Mathematics
1 answer:
Anna [14]3 years ago
6 0

about 117 hours bc there are about 52 weeks in a year. And one week of 3 lessons is 2 (1/4)hrs. And 2(1/4) × 52 = 117 hrs

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A train travels 68 kilometers in 2 hours, and then 64 kilometers in 3 hours. What is its average speed
skad [1K]
Average speed is the distance traveled by an object in total and divided by the amount of time an object covers the distance. The formula is -
Average speed = total distance traveled / total time taken
                         = 68km+64km / 2 hrs.+3hrs.
                         = 132km / 5hrs.
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Therefore, the train's average speed is 26.4km/hr.
5 0
3 years ago
Cherries cost 4 dollars per pound. Mother bought r lbs and father bought 2 lbs. How much more money did mother spend on cherries
vazorg [7]

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4 0
3 years ago
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.How much force is needed to accelerate a truck with a mass of 2,000 kg, at a rate of 3 m/s²?
ozzi
6000N

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What set of order pairs is a function?
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A function is a set of ordered pairs in which no two different ordered pairs have the same x -coordinate.

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7 0
3 years ago
On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in mile
lions [1.4K]

Complete question :

On a flight New York to London an airplane travels at a constant speed. An equation relating the distance traveled in miles d to the number of hours flying t is t= 1/500d. How long will it take the airplane to travel 800 miles?

Answer:

1.6 hours

Step-by-step explanation:

Given the function :

Time t taken for flying distance d is given by:

t = 1/500 * d

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d = 800 miles

t = 1/500 * (800)

t = 800 / 500

t = 1.6

Hence, time t = 1.6 hours

3 0
3 years ago
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