What is the length of ? round to the nearest tenth. 9. 7 m 10. 4 m 37. 3 m 38. 6 m.
1 answer:
The length of x to the nearest tenth is; D: 38.6 m
<h3>Trigonometric ratios</h3>The image of the triangle is missing and so i have attached it.
From the image attached, we can find the value of x by using trigonometry ratio.
We see that;
- AB = x
- AC = 10
- ∠BAC = 75°
Thus;
10/x = cos 75
10/x = 0.2588
x = 10/0.2588
x = 38.64 m
Approximating to the nearest tenth gives;
x = 38.6 m
Read more about trigonometric ratios at; brainly.com/question/13276558
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Using the together rate, it is found that they would have finished the task in 8 days working together.
<h3>What is the together rate?</h3>It is the sum of each separate rate.
In this problem, the rates are given as follows:
- For Reid, it is of 1/10.
- Greg works four times as slower as Reid, that is, one security audit takes 40 days, hence his rate is of 1/40.
Then, the together rate is given by:
5x = 40
x = 8
They would have finished the task in 8 days working together.
More can be learned about the together rate at brainly.com/question/25159431
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