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zaharov [31]
3 years ago
10

There are 99 males and 121 females participating in a marathon. What percent of the participants are female?

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
6 0
99 + 121 = 220

121 / 220 = 0.55 or 55%
Lorico [155]3 years ago
3 0

Answer:

55%

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

5 0
2 years ago
What is the length of EF?
pantera1 [17]

Answer:

  (a)  3.8

Step-by-step explanation:

The Law of Sines can be used to find a missing side length in a triangle where the angles are known and at least one side is given. It tells you the ratio of side lengths is equal to the ratio of the sines of their opposite angles. In effect, longer sides are opposite larger angles.

__

<h3>compare angles</h3>

The given side length (DE=3) is opposite given angle F=50°. The unknown side length EF is opposite larger angle D=75°.

<h3>compare sides</h3>

Since the unknown side is opposite a larger angle than the other angle given, the length of the unknown side will be longer than the side given.

  EF > DE

  EF > 3

Only one answer choice satisfies this inequality.

  EF = 3.8

__

<em>Additional comment</em>

If you want to do the actual computation, we have ...

  EF/sin(D) = DE/sin(F)

  EF = DE·sin(D)/sin(F) = 3·sin(75°)/sin(50°) ≈ 3.7828

  EF ≈ 3.8

7 0
1 year ago
Connor is asked to find the probability of rolling a prime number on a die. He states that this is a simple event. True or false
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The correct answer is true
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The Siberian Husky is a medium dog, weighing between 16-27kg (35-60lbs). These dogs have strong pectoral and leg muscles, allowi
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3 years ago
Read 2 more answers
A=12h(b1+b2) solve for b1 please.
Papessa [141]
A = 12h(B1 + B2)
A = 12h(B1) + 12h(B2)
A - 12h(B2) = 12h(B1)

B1 = \frac{A - 12h(B1)}{12h}
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3 years ago
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