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vlabodo [156]
3 years ago
8

8/z = 10/25 = 6/15 What does z =? 12/36 = 14/42 = 8/t what does t =

Mathematics
1 answer:
andre [41]3 years ago
3 0
Part (1):
8/z = 10/25 = 6/15 
This can be simplified as:
8/z = 2/5
Use cross multiplication as follows:
8*5 = 2*z
40 = 2z
z = 40/2 = 20

Part (2):
<span>12/36 = 14/42 = 8/t
This can be simplified into:
8/t = 1/3
Use cross multiplication as follows:
3*8 = t*1
t = 24</span>
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1

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8 0
3 years ago
Wilma drove at an average speed of 60 mi/h from her home in City A to visit her sister in City B. She stayed in City B 15 hours,
Triss [41]

Answer:

574.8 miles

Step-by-step explanation:

Given:

An average speed of Wilma from City A to City B =  60 miles per hour

She stayed in City B 15 hours.

An average speed of Wilma from City B to City A  =  35 miles per hour.

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Question asked:

How many miles is City A from City B ?

Solution:

Total time taken including 15 hours stay in city B = 41 hours

Total time taken on the trip excluding stay in city B = 41 - 15 = 26 hour

Let time taken during from city A to city B = x

Time taken during from city B to city A = 26-x

As distance traveled from city A to city B is equal to distance traveled from  city B to city A:-

And by using : Distance=speed\times time

Distance traveled from city A to city B = Distance traveled from city B to A

speed\times time = speed\times time

60\times x=35(26-x)\\60x=910-35x

Adding both sides by 35x

95x=910

Dividing both sides by 95

x=9.58\ hours

Distance traveled from city A to city B = speed\times time

                                                               = 60 \times 9.58

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Therefore, there are 574.8 miles from City A to City B.

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Step-by-step explanation:

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How do you work out 2 over 1.5 + 2.45 on a calculator?
erik [133]

Answer:

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