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Dafna11 [192]
3 years ago
14

Let Angle B be an acute angle in a right triangle. Approximate the measure of Angle B to

Mathematics
1 answer:
anastassius [24]3 years ago
8 0

Answer:

75.3°

Step-by-step explanation:

-To find the measure of angle B we find the cos inverse of B.

-Given cos B=0.2536, it's cos inverse is calculated as:

\angle B=Cos ^{-1} (Cos \ B)\\\\=Cos^{-1}(0.2536)\\\\=75.3\textdegree

Hence, the approximate measure of B is 75.3°

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Assume running consumes 102 calories per mile. If you run 10 minute miles what’s is your average power output in watts?
Margarita [4]

Given the data, If you run 10 minute miles, your average power output in watts is 0.714 watt

<h3>What is power? </h3>

Power is simply defined as the rate a is done. It can be expressed mathematically as

Power (P) = Energy / time

<h3>How to convert calorie to joule</h3>

1 cal = 4.2 J

Therefore

102 cal = 102 × 4.2

102 cal = 428.2 J

<h3>How to determine the power</h3>
  • Energy = 428.2 J
  • Time = 10 mins = 10 × 60 = 600 s
  • Power = ?

Power = Energy / time

Power = 428.2 / 600

Power = 0.714 watt

Learn more about power:

brainly.com/question/5684937

5 0
2 years ago
I NEED HELP PLEASE!!!! Given a real world problem, can you find the unit rate?
Yuliya22 [10]

Here is an example:

Josh bought 7 apples for $21.

21/7 is 3, so one apple costs $3. This is the unit rate.

21/7 simplifies to 3/1, that’s another way to think about it. Simplify the fraction until the denominator is 1.

Hope this helps! Tell me if you have any questions!

3 0
3 years ago
The global annual temperature has increased at an average rate of 0.013°F per year in the last 140 years. If this trend continue
allochka39001 [22]

Answer:

Global surface temperature has been measured since 1880 at a network of ground-based and ocean-based sites. Over the last century, the average surface temperature of the Earth has increased by about 1.0o F.

Step-by-step explanation:

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3 years ago
What is the range of 2/(x^2-2x-3)
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The range is going to 3
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