Mathematics: If the total sum of ages of william scott and jim is 80 years , then what was the sum of their ages five years ago ?

The value of the RQ is 16 unit .Option (B) is correct .Step-by-step explanation:Now by using the trignometric identity Base = RQHypotenuse = PQ = 8 unit RQ = 4 = 4 unit Therefore the value of the RQ is 4 unit .Option (B) is correct ....

If the total sum of ages of william scott and

Ответ:

jessemartinez1

16.01.2022

Mathematics

The sum of their age 5 years ago is 80 -5 = 75

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Ответ:

kayleetweedy1

16.01.2022

Mathematics

The answer is 70 because if the sum of their ages now is 80, and 5 years before that would be 80-5= 75 75-5=70 for both. Hope this helped!

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Ответ:

MichealM7668

23.09.2020

Mathematics

The value of the RQ is 16 unit .

Option (B) is correct .

Step-by-step explanation:

Now by using the trignometric identity

$cos \theta = \frac{Base}{Hypotenuse}$

Base = RQ

Hypotenuse = PQ = 8 unit

$\theta = 60^{\circ}$

$cos60^{\circ} = \frac{RQ}{PQ}$

$cos60^{\circ} = \frac{RQ}{8}$

$cos\ 60^{\circ} = \frac{1}{2}$

$\frac{8}{2}=RQ$

RQ = 4

= 4 unit

Therefore the value of the RQ is 4 unit .

Option (B) is correct .

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If the total sum of ages of william scott and jim is 80 years , then what was the sum of their ages five years ago ?

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