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vampirchik [111]
3 years ago
9

Help help help please

Mathematics
1 answer:
kiruha [24]3 years ago
8 0
Answer is d, sine is Opposite over hypotenuse

which is 1/2
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Steve can complete 100m dash in 10 seconds paul can run it in 12 seconds how does their times compare?
Tom [10]

Steve is 1.2 times faster than Paul.

<h3>What is a ratio?</h3>

The quantitative relationship between two values indicating how frequently one value is contained within the other.

For example: Speed = Distance / Time

Total distance covered by both Steve and Paul = 100m

Total time taken by Steve = 10s

Steve's speed = 100 / 10 = 10m/s

Total time taken by Paul = 12s

Paul's speed = 100 / 12 = 8.33m/s

Ratio of Steve's speed to Paul's speed = 10 / 8.33 = 1.2

Hence we can say that Steve is 1.2 times faster than Paul.

Learn more about ratios on:

brainly.com/question/2328454

#SPJ4

8 0
2 years ago
A bank loaned out $21,500, part of it at the rate of 15% annual interest, and the rest at 9% annual interest. The total interest
Nuetrik [128]

Answer:

So the portion of the loan lent at 4% is 21000(0.5955) = $12,505.5

And the portion of the loan lent at 15% is 21000(0.4045) = $8494.5

Step-by-step explanation:

This problem can be solved in several ways. The way I like is as follows.

Ask yourself at what interest would $ 21,000 yield and interest of $ 2,215 in one year ? The equation to solve is:

21000(P) = 2215

P = 0.1055 or 10.55 %

This number is a weighed average of the 4% yield and the 15% yield so the next equation to solve is

10.55 = 4(1 – X) + 15X

Where X is the proportion of the loan given at the indicated interest. So

10.55 = 4 – 4X + 15X

6.55 = 11X

X = 0.5955

1-X = 0.4045

So the portion of the loan lent at 4% is 21000(0.5955) = $12,505.5

And the portion of the loan lent at 15% is 21000(0.4045) = $8494.5

6 0
3 years ago
Six less than twice what number is 48?
weeeeeb [17]

Answer:

27

Step-by-step explanation:

Let x be the number,

2x - 6 = 48

2x = 48 + 6

2x = 54

x = 27

4 0
4 years ago
Billy Anderson is choosing between two fitness centers. Center A charges $395 per year for unlimited use of all facilities. Cent
weeeeeb [17]
Center A = $395 for the year
Center B = 25 + 12(15) + 52(5) = $465.

Center A is cheaper.
8 0
3 years ago
Read 2 more answers
Which of the following represents "eight times the difference of a number and seventeen is thirty"?
Simora [160]
B) 8(N-17)=30
8 times a the difference of a number and 17 is 30
3 0
4 years ago
Read 2 more answers
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