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Ann [662]
3 years ago
5

How do you know to use trig ratios

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0
You pay attention in class
You might be interested in
In ΔTUV, the measure of ∠V=90°, the measure of ∠U=70°, and UV = 9.6 feet. Find the length of TU to the nearest tenth of a foot.
Nutka1998 [239]

​

<u><em>28.1 feet</em></u>

<u><em></em></u>

<em><u>explaination</u></em>

<u><em>\cos U = \frac{\text{adjacent}}{\text{hypotenuse}}=\frac{9.6}{x}</em></u>

<u><em>cosU= </em></u>

<u><em>hypotenuse</em></u>

<u><em>adjacent</em></u>

<u><em>​ </em></u>

<u><em> = </em></u>

<u><em>x</em></u>

<u><em>9.6</em></u>

<u><em>​ </em></u>

<u><em> </em></u>

<u><em>\cos 70=\frac{9.6}{x}</em></u>

<u><em>cos70= </em></u>

<u><em>x</em></u>

<u><em>9.6</em></u>

<u><em>​ </em></u>

<u><em> </em></u>

<u><em>x\cos 70=9.6</em></u>

<u><em>xcos70=9.6</em></u>

<u><em>Cross multiply.</em></u>

<u><em>\frac{x\cos 70}{\cos 70}=\frac{9.6}{\cos 70}</em></u>

<u><em>cos70</em></u>

<u><em>xcos70</em></u>

<u><em>​ </em></u>

<u><em> = </em></u>

<u><em>cos70</em></u>

<u><em>9.6</em></u>

<u><em>​ </em></u>

<u><em> </em></u>

<u><em>Divide each side by cos 70.</em></u>

<u><em>x=\frac{9.6}{\cos 70}=28.0685\approx 28.1\text{ feet}</em></u>

<u><em>x= </em></u>

<u><em>cos70</em></u>

<u><em>9.6</em></u>

<u><em>​ </em></u>

<u><em> =28.0685≈28.1 feet</em></u>

<u><em>Type into calculator and roundto the nearest tenth of a foot.</em></u>

8 0
2 years ago
Turn 0.68 into a fraction in simplest form
sattari [20]
Since .68 is 68/100, you can simplify to 17/25. 
7 0
3 years ago
Read 2 more answers
...... ..... .... ....
OleMash [197]
14×2×2×2×2= 224
Chase scored 224 points on thursday
5 0
3 years ago
I need an answer!! (marking as brainliest)
irina1246 [14]

Answer: I hope this helps.

Step-by-step explanation:

5 0
1 year ago
5.4= 0.9x<br> A.6.3<br> B. 6<br> C. 7.3<br> D.12
Marat540 [252]

Answer:

5

.

4

=

0

.

9

5.4=0.9x

5.4=0.9x

5

.

4

=

9

1

0

4 0
3 years ago
Read 2 more answers
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