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kumpel [21]
4 years ago
12

Once again co sines . Please help me and include explanation with a clear answer

Mathematics
1 answer:
vladimir1956 [14]4 years ago
8 0

Using the law os cosines formula b^2 = a^2 + c^2 - 2*a*c*cos(B)

a = 17, b = 8, c = 16

8^2 = 17^2 + 16^2 - 2*17*16* cos(B)

64 = 289 + 256 - 544 * cos(B)

544*cos(B) = 289 + 256 - 64

544 * cos(B) = 481

cos (B) = 481/544

B = arccos(481/544)

B = 27.8 degrees

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The plane flies 725 miles per hour. how many minutes will it take to fly 150 miles
ioda

Answer:

12.41 minutes.

Step-by-step explanation:

It is given in the question that a plane can fly 725 miles per hour.

So, the plane goes 725 miles in 1 hour i.e. 60 minutes.

Now, we have to find the time the plane takes to fly 150 miles.

As the plane is flying at a constant rate, so we can use the unitary method to get the required time.

Therefore, the plane will take \frac{60 \times 150}{725} = 12.41 minutes to fly 150 miles. (Answer)

3 0
3 years ago
Mai and Oriya were on scooters. Mai traveled 15 meters in 6 seconds. Oriya travels 22 meters in 10 seconds. Who was moving faste
Rashid [163]
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5 0
3 years ago
Which of the ordered pairs in the form (x, y) is a solution of this equation?
SVETLANKA909090 [29]
They both are solutions.
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7 0
3 years ago
For a given input value xxx, the function fff outputs a value yyy to satisfy the following equation. y+6=5(x-4)y+6=5(x−4)y, plus
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6 0
4 years ago
What is equivalent to (x+8)(x+4)?<br>1.x^2+12x32<br>2.2x^2+10x+12<br>3.2x^2+12x+16<br>​
Elza [17]

Answer:

1. x^2+12x+32

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x^2+12x+32

3 0
3 years ago
Read 2 more answers
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