3 years ago

An airplane flies with a constant speed of 500 miles per hour. How far can it travel in 1 1/2 hours?

Mathematics

1 answer:

Radda [10]3 years ago

7 0

500 miles per hour in 11/2 hours it will travel 500x11/2 2750 miles per 11/2 hours

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3 years ago

At 3p.M the temperature is 12 f it then began to drop 2f every hour for 7 hours what is the temperature after 7 hours

Vikentia [17]

The temperature after 7 hours is -2° F

Explanation

At 3 p.m the temperature was 12° F

Then , the temperature began to drop 2° F every hour.

So, the total temperature dropped in 7 hours will be: $(2*7)=14$ ° F

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3 0

3 years ago

Work out the number of years of investment for each return.

Mamont248 [21]

Answer:

41 years approx

Step-by-step explanation:

Given data

P= £3000

R=3%

Simple Interest= £3720

Time=???

We know that from the simple interest expression

SI= PRT/100

substitute

3720= 3000*3*T/100

Make T subject of the formula

T= 3720*100/3000*3

T= 372000/9000

T= 41.33

Hence the number of years is 41 years approx

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2 years ago