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Westkost [7]
3 years ago
8

There are 32 volunteers to donate blood. Unfortunately, n of the volunteers did not meet the heath requirements, so they couldn'

t donate. The rest of the volunteers donate 470 millimeters each. How many millimeters of blood did each volunteer donate?
Mathematics
1 answer:
Daniel [21]3 years ago
5 0

Answer:

The volunteers donated 470(32-n) millimeters of blood.

Step-by-step explanation:

Given:

Total Number of Volunteers = 32

number of Volunteers failed to donate = n

Amount of blood donated by each volunteer = 470 mm

We need to find the Total amount of blood donated by the Volunteers.

Solution:

First we will find the number of volunteers donated blood.

the number of volunteers donated blood is equal to Total Number of Volunteers minus number of Volunteers failed to donate.

framing in equation form we get;

the number of volunteers donated blood = (32-n)

Now we will find Total amount of blood donated by the Volunteers.

Total amount of blood donated by the Volunteers is equal to Amount of blood donated by each volunteer multiplied by the number of volunteers donated blood.

framing in equation form we get;

Total amount of blood donated by the Volunteers = 470(32-n)

Hence The volunteers donated 470(32-n) millimeters of blood.

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Right triangle XYZ has right angle Z. If the sin(X)=1213<br> , what is the cos(X)
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Given:

Right triangle XYZ has right angle Z.

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To find:

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Solution:

We know that,

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For a triangle, all trigonometric ratios are positive. So,

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It is given that \sin(x)=\dfrac{12}{13}. After substituting this value in the above equation, we get

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On further simplification, we get

\cos(x)=\dfrac{\sqrt{25}}{\sqrt{169}}

\cos(x)=\dfrac{5}{13}

Therefore, the required value is \cos(x)=\dfrac{5}{13}.

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2 years ago
A hiker standing at point G wants to estimate the distance across the lake to point H, which is directly north of her location.
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