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Irina-Kira [14]
3 years ago
13

Rearrange e = 2f to make fthe subject. =

Mathematics
2 answers:
GrogVix [38]3 years ago
6 0

Answer:

f = e/2

Step-by-step explanation:

e = 2f

Switch sides.

2f = e

Divide both sides by 2.

f = e/2

MrRa [10]3 years ago
6 0

Answer:

f=e/2

Step-by-step explanation:

To make f the subject, we want to isolate f.

e=2f.

We see that e is equal to two times f, or two f's.

Divide by 2 to isolate f.

e/2=f

However, normally we want f on the left side, so we have:

f=e/2

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when a car speed is 24 km/hr a journey takes 80 minutes what must the speed be for the same journey to take 60 minutes?
Mariana [72]

Answer:

32 km/ hr

Step-by-step explanation:

Given that :

Speed of car = 24km/ hr

Time taken =. 80 minutes = 80 / 60 = 1.33333 hours

The distance traveled :

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24 km/hr * 1.333333 = 32 km

Speed required to complete 32 km. Journey in 60 minutes = 1 hour

Speed = distance / time

Speed = 32 km / 1 hour

Speed = 32 km/ hr

5 0
2 years ago
A college freshman started the year with $4000 in spendingmoney and after three months, she has $2800 left. Assume thatshe will
Bezzdna [24]
She would have $800 left. 
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6 0
3 years ago
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The perimeter of the parallelogram is 102 feet. Find m. Write your answer as a decimal or mixed number. The length is 3m and the
Ann [662]

m is 48 because since they said perimeter you would have to add 3 twice and then subtract is with 102 which is 96 the divide 96 by 2 and you would get 48.

3 0
3 years ago
Find the simply interest earned on an investment of $15,000 at a rate of 5.25% for two years.
uysha [10]
Ill show you step by step.

This is what the equation should look like 

Y=Initial value(1+/- Increasing or Decreasing value)^2 Which stands for time

So Y=15,000(1+.0525)^2

So you need to do 1.0525 to the 2nd power Which equals 1.10775625

So now you need to do 15,000(1.10775625)
------------------------------------------------------------------------------------
Which equals <span>16616 rounding to the nearest Ones

16616.3 rounding to the nearest tenth</span>
3 0
3 years ago
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What does 17 oz equal
AleksAgata [21]
1 lb and 1 oz is the answer 
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3 years ago
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