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Nonamiya [84]
2 years ago
5

Joe has a goal to practice his clarinet for 4 1/2 hours per week the list below shows the number of hours does practice this wee

k so for Monday one and a half Wednesday 1 1/4 Thursday one how many more hours does Joel need to practice this week to meet his goal.
Mathematics
1 answer:
Sedaia [141]2 years ago
5 0

Answer:

0.75 hours more

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3 years ago
A driver intends to complete 2 laps on a track that is exactly 1 mile around at an average speed of 60 mph. He gets off to a slo
andrey2020 [161]

Answer:

Goal is not achievable

Step-by-step explanation:

There are Two laps and the total distance here is 2miles. Now, it is said that he hopes to travel at a speed of 60mph, thus the total time that it would take him to complete the 2 miles distance race is 2/60 = 1/30 hours. Thus if he travels at a constant speed of 60mph he would finish the race at 1/30hours.

This means he will take a time of 1/60 hours per lap.

Now, he travels 30mph to complete 1 mile, the time taken for this is 1/30h

We now need to know the speed he travels on the second lap.

Average speed = Total distance/Total time

60mph = 2/( 1/30 + T2)

60 = 2/( (1 + 30T2)/30)

60 = 2 divided by (1 + 30T2)/30

60 = 2 * (30)/1 + 30T2

60( 1 + 30T2) = 60

1 + 30T2 = 1

30T2 = 0

T2 = 0

This means that he cannot achieve his goal again as he had taken the time meant for the whole race in a single lap.

4 0
3 years ago
Please help me answer please and please actually answer please
Kaylis [27]

Answer:

2 and 1/2

Step-by-step explanation:

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3 0
3 years ago
Write an expression for the operation described below.<br> the quotient of z and y
Vsevolod [243]

Answer:

z/y

Step-by-step explanation:

the quotient of z and y

this does no require any work just understand the question

the quotient of z and y means z divide by y

z/y

7 0
3 years ago
State whether the data described below are discrete or continuous, and explain why.
enot [183]

Answer:

A. The data are continuous because the data can take on any value in an interval.

Step-by-step explanation:

A continuous data is any data set having infinitely many possible values and those values cannot be counted, meaning they are uncountable. Any quantity such as height, volume, weight, density, length, pressure, temperature, speed, distance, time are generally a continuous data.

Hence, the exact heights of different elephants represents a continuous data because the data can take on any value in an interval.

On the other hand, a discrete data is any data set in which the number of possible values are either finite or countable. Thus, a discrete data can only take on specific values. For example, the value of a fair die, number of sweets in a jar, number of eggs in a crate etc.

6 0
3 years ago
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