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HACTEHA [7]
3 years ago
5

Can someone help me with this?

Mathematics
1 answer:
Natalija [7]3 years ago
8 0

use the Pythagoras theorem method

a squared plus b squared equals c square

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Look at the figure if tan x=3/y and cos x =y/z what is the value of sin x?
castortr0y [4]
Recall:

The tan of the measure of an angle is the ratio of the opposite side to the adjacent side to that angle, that is :

\displaystyle{ \tan x^{\circ}= \frac{opposite\ side}{adjacent \ side}. 

Since this ratio is 3/y, we denote the opposite side, and adjacent side respectively by 3 and y. 

(Technically we should write 3t and yt, but we try our luck as we see y in the second ratio too!)


Similarly, \displaystyle{\cos x^{\circ}= \frac{adjacent\ side}{hypothenuse}.


The adjacent side is already denoted by y, so we denote the length of the hypotenuse by z.



Now the sides of the right triangle are complete. 

\displaystyle{ \sin x^{\circ}= \frac{opposite\ side}{hypotenuse}= \frac{3}{z}


Answer: A

5 0
3 years ago
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There are 4 students and 1/2 sh butcher paper how much paper will each student get
inna [77]

Answer:

2?

Step-by-step explanation:

what is sh? sheets? if so try dividing 4 by 1/2

4 0
3 years ago
I WILL AWARD BRAINLIEST!!!! PLEASE HELP!!!!!
Dahasolnce [82]

as AB || DE then

angle BAE = angle AED

so angle AED = 70

as AD = AE then

angle AED = angle ADE = 70

now in a triangle

angle DAE + Angle ADE + angle AED = 180

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3 years ago
14.2 is 35.5% of what number W
bonufazy [111]
14.2/x=100/35.5
5.041=x 
Final
35.5% of 14.2=5.041

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3 years ago
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Answer:

The time (t) it takes to clean an office building is <em><u>directly</u></em> <em><u>related</u></em> to the number of people (p) working.

t is proportional to p

t = kp \\  \boxed{\red{\frac{t}{p}  = k}}

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3 years ago
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