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jok3333 [9.3K]
3 years ago
11

Bruce has a red that is 21 feet long he needs to cut the rope into 1/5 foot long strips how many strips can prescribe from his r

obe
Mathematics
1 answer:
borishaifa [10]3 years ago
3 0

21 \div  \frac{1}{5} \\  = 21 \times 5 \\  = 105
Answer : 105 strips.

Hope this helps. - M
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In the triangle above, the cosine of a is 0.8.What is sine of b?
Natalka [10]

Answer:

sin b = 0.8

Step-by-step explanation:

Since a and b are complementary angles , then

sin b = cos a = 0.8

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3 years ago
What is the distance between points M and N?
Free_Kalibri [48]

By using <em>triangle</em> properties and the law of the cosine twice, we find that the distance between points M and N is approximately 9.8 meters.

<h3>How to determine the distance between two points</h3>

In this problem we must determine the distance between two points that are part of a triangle and we can take advantage of properties of triangles to find it. First, we determine the measure of angle L by the law of the cosine:

\cos L = \frac{(19.6\,m)^{2}-(14.8\,m)^{2}-(21.4\,m)^{2}}{-2\cdot (14.8\,m)\cdot (21.4\,m)}

L ≈ 62.464°

Then, we get the distance between points M and N by the law of the cosine once again:

MN = \sqrt{(7.4\,m)^{2}+(10.7\,m)^{2}-2\cdot (7.4\,m)\cdot (10.7\,m)\cdot \cos 62.464^{\circ}}

MN ≈ 9.8 m

By using <em>triangle</em> properties and the law of the cosine twice, we find that the distance between points M and N is approximately 9.8 meters.

To learn more on triangles: brainly.com/question/2773823

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6 0
2 years ago
And a repeating musical pattern there are 56 beat in seven measures how many measures are there in 104 beats
Elza [17]

Answer:

13

Step-by-step explanation:

104×7=728

728÷56=13

7 0
3 years ago
Find 2/5 of 128. I need help
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So you would multiply if it has the word of in the problem right?

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How do i write 2m in a verbal expression?
eduard
2m: "two multiplied by m"
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