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3 years ago

If a/b=2 what is the value of 4b/a

Mathematics

2 answers:

Lelu [443]3 years ago

6 0

Answer:

Step-by-step explanation:

a/b = 2

Invert each side of the equation

b/a = ½

Multiply each side by 4

4b/a = 4 × ½ = 2

bazaltina [42]3 years ago

5 0

Anwer:

4b/a=2

Step-by-step explanation:

Lets assume:

a = 4 & b = 2

So a/b would equal 2.

4b/a indicates that you are going to multiply b times 4, meaning that in this scenario you would multiply 2 times 4.

4(2) = 8

and 8 divided by (4) is 2.

Why 4? Because remember a = 4 (in this scenario).

Other examples:

10/5 = 2, --> 4(5) = 20, --> 20/10 = 2.

20/10 = 2. --> 4(10) = 40, --> 40/20 = 2.

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2 years ago

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3 years ago

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Solve the system of equations by substitution. <br> x+y=18<br> y=8x

Naddika [18.5K]

Answer:

x=2, y=16

Step-by-step explanation:

x+y=18

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3 years ago

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The heart rate of 10 adults is measured and the results are 83, 87, 90, 92, 93, 100, 104, 111, 115, 121. Find the interquartile

zloy xaker [14]

The interquartile range of the data set is 21.

Given that the heart rate of 10 adults is measured and the results are 83, 87, 90, 92, 93, 100, 104, 111, 115, 121.

The interquartile range shows the extent of the middle half of the distribution. Quartiles segment any distribution, ordered from low to high, into four equal parts. The interquartile range (IQR) contains the second and third interquartile ranges, the central half of the dataset.

The value of quartile 1 is Q₁=90

The value of quartile 3 is Q₃=111

So, the interquartile range is

IQR=Q₃-Q₁

IQR=111-90

IQR=21

Hence, the interquartile range of the data set 83, 87, 90, 92, 93, 100, 104, 111, 115, 121 is 21.

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2 years ago

Subtract 2 hours, 20 minutes from 4 hours, 10 minutes.

Dmitrij [34]

To make it easier convert the times all into minutes.

2 hours 20 minutes = 120 minutes + 20 minute = 140 minutes
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Then subtract:

250 minutes - 140 minutes = 110 minutes

Convert back to hours/minutes:

110 minute = 1 hour and 50 minutes

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3 years ago

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If a/b=2 what is the value of 4b/a​

If a/b=2 what is the value of 4b/a