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Naily [24]
3 years ago
5

There are 76 boys in a sophomore class of 165 find the ratio

Mathematics
1 answer:
sergiy2304 [10]3 years ago
6 0

Answer:

boys to girls is 76:90 and girls to boys is 90:76

Step-by-step explanation:

165-75=90

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50 points. Please explain each step​
3241004551 [841]
<h3>Sin\theta_{1}=\frac{3\sqrt{21}}{17}</h3>

Solution given:

Cos\theta_{1}=\frac{10}{17}

\frac{adjacent}{hypotenuse}=\frac{10}{17}

equating corresponding value

we get

adjacent=10

hypotenuse=17

perpendicular=x

now

by using Pythagoras law

Hypotenuse ²=perpendicular²+adjacent ²

substituting value

17²=x²+10²

17²-10²=x²

x²=17²-10²

x²=189

doing square root

\sqrt{x²}=\sqrt{189}

x=3\sqrt{21}

now

In I Quadrant sin angle is positive

Sin\theta_{1}=\frac{perpendicular}{hypotenuse}

<h3>Sin\theta_{1}=\frac{3\sqrt{21}}{17}</h3>
7 0
2 years ago
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kolezko [41]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Simplify the expression.
Naddika [18.5K]

Answer:

3

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6 0
2 years ago
Please help me. I'm confused.
Sholpan [36]

Answer:

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7 0
3 years ago
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Carla uses a compass and straightedge to construct perpendicular lines. Daryl uses technology to construct perpendicular lines.
devlian [24]
They can be different because Daryl is doing it online so he will not have to swing arcs on the computer screen he will just use circles.  Hope that this helps!

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6 0
3 years ago
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