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3 years ago

Which equation can be used to solve for angle A?

Mathematics

1 answer:

lbvjy [14]3 years ago

7 0

By the law of sines, $\frac{sinA}{a}=\frac{sinB}{b}=\frac{sinC}{c}$ where A, B, C are the angles and a, b, c are the lengths of the sides opposite their respective angles. In this case, $110^{\circ}$ is opposite 4.6 and A is opposite 3.2, so $\frac{sinA}{3.2}=\frac{sin(110^{\circ})}{4.6}$ , giving the answer.

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In a horse race with 5 horses, you make a bet by predicting the ranking of all 5 horses. Suppose you place your bet at random. W

lapo4ka [179]

Answer:

P( top two horses are predicted incorrectly in incorrect order)

= $\frac{1}{2}$

Step-by-step explanation:

In the horse race the outcome can be predicted in 5! = 120 ways.

Now suppose the top two horses were predicted incorrectly in incorrect order. Now, the top horse can be predicted incorrectly in 4 ways.

Suppose the top horse was predicted to be in k-th position where k = 2, 3 ,4,5

so the second horse can be predicted to be in place from 1 to (k - 1)

So, the top two horses can be predicted incorrectly in incorrect order

in $\sum_{k =2}^{5}(k - 1)$ = 10 ways

and for each prediction of the two the remaining horses may be predicted in 3! = 6 ways.

Hence ,

P( top two horses are predicted incorrectly in incorrect order)

= $\frac{6 \times 10}{120}$

= $\frac{1}{2}$

8 0

3 years ago

1/4=something 8 plz help me

gayaneshka [121]

Answer:

1/4 = 0.25

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Chelsea makes $9.00 an hour working at Chick-Fil-A. She plans to buy some music for her phone and Air Pods that cost $278.10. Wr

Talja [164]

Answer:

31 hours

Step-by-step explanation:

To at least buy the Air-Pods she will need to work at least 31 hours. You can either round at the beginning or end, I'll demonstrate rounding at the end. Divide $278.10 by $9.00, getting 30.9. You would have to round up to insure you have enough money, getting 31 hours

6 0

3 years ago

The table shows the marginal relative frequencies of surveyed drivers’ plans for their next vehicle.

Maslowich

:Answer:

1.) The majority of drivers, about 62 percent, plan to buy a used vehicle next.

3.) Ten percent of drivers lease their current vehicle.

5.) The least percentage of people will lease their next car.

Correct on EDGE2021

3 0

3 years ago

What is the answer to 2 4/5+5 2/3 in simplified form

Rus_ich [418]

Answer:

24×25-24×18+10

Step-by-step explanation:

it's gonna be 150 simplified

5 0

3 years ago