3 years ago

Ratio of boys to girls is 2:7. There are 250 more girls than boys. How many boys are there

Mathematics

2 answers:

nata0808 [166]3 years ago

4 0

I hope this helps you

trasher [3.6K]3 years ago

3 0

100boys

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klemol [59]

Answer:

A. 20

Step-by-step explanation:

because she has twice as many and if you have twice as many then you'll have 40 so 40+20=60

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Step-by-step explanation:

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2 years ago

If m∠D = 18°, and m∠C = 45°, what is ?

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3 years ago

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MaRussiya [10]

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Using the triangle below, find the ratio please need help answering for a quiz

Murrr4er [49]

As we know that , sinA = opposite/hypotenuse & tanA = opposite/adjacent

So here we can find sin22° , because they already given the sides opposite & hypotenuse . And we can't find tann22° because they given the value of opposite but not given the value of adjacent side of the angle 22°

Now finding the adjacent side using

Pythagoras theorem :-

• Hypotenuse² = Base² + Height²

=> 40² = Base² + 15²

=> 1600 - 225 = Base²

=> Base² = 1375

=> Base = √1375

=> Base = 5√55

Now ,

tan22° = Opposite/Adjacent = 15/5√55 = 3/√55
sin22° = Opposite/hypotenuse = 15/40 = 5/4

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3 years ago