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zheka24 [161]
3 years ago
10

A bike ramp is constructed such that a 5-foot launching ramp makes a 30° angle with the ground.

Mathematics
2 answers:
Leni [432]3 years ago
7 0
Whats the answer.......waiting
qwelly [4]3 years ago
6 0
I think its 21......
                        
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Matthew is 3 times as old as jenny. in 7 years, he will be twice as old as she will be then. how old is each now? Explain how to
Nataliya [291]

Let m and j be the current ages of Matthew and Jenny, respectively.

Now, Matthew is 3 times as old as Jenny, so the variables are in the following relation:

m=3j

In 7 years, both of them will be 7 years older, i.e. their ages will be m+7 and j+7, and Matthew will be twice as old:

m+7=2(j+7)

Now, remembering that m=3j, we can rewrite the second equation as

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So, Jenny is 7 and Matthew is 21 (he's 3 times older).

In fact, in 7 years, they will be 14 and 28, and Matthew will be twice as old.

7 0
3 years ago
What is the length of RS.
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Consider, in ΔRPQ,

RP = R (Radius of larger circle)

PQ = r (radius of smaller circle)

We have to find, RQ, by Pythagoras theorem,

RP² = PQ²+RQ²

R² = r²+RQ²

RQ² = R²-r²

RQ = √(R²-r²

Now, as RQ & QS both are tangents of the smaller circle, their lengths must be equal. so, RS = 2 × RQ

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3 years ago
How many dimes equal the value of 6 quarters.show you step​
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Answer:

the answer to this complicated problem is 25

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