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timurjin [86]
2 years ago
14

Give your answer in simplest form . 4/5 x 19 =

Mathematics
2 answers:
natka813 [3]2 years ago
8 0

Answer:

15.2

Step-by-step explanation:

mr Goodwill [35]2 years ago
3 0
4 divide by 5 = 0.8
0.8 multiply by 19 = 15.2
The answer is 15.2
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Find the values of x and y. Pls helpI’m helpless at math
Svetradugi [14.3K]

Answer:

  • x = 1
  • y=\frac{\sqrt{3}}{2}  

Step-by-step explanation:

From the given right-angle triangle

The angle = ∠60°

  • The adjacent to the angle ∠60° is 1/2.
  • The opposite to the angle ∠60° is y.

The hypotenuse = x

<u>Determining the value of x:</u>

Using the trigonometric ratio

cos 60° = adjacent / hypotenuse

substituting adjacent = 1/2 and hypotenuse = x

cos\:60^{\circ }=\:\:\frac{\frac{1}{2}}{x}

\cos \left(60^{\circ \:}\right)=\frac{1}{2x}

\frac{1}{2}=\frac{1}{2x}          ∵ cos (60°) = 1/2

2x=2

Dividing both sides by 2

\frac{2x}{2}=\frac{2}{2}

Simplify

x=1

Thus, the value of hypotenuse x is:

x = 1

<u>Determining the value of y:</u>

Using the trigonometric ratio

sin 60° = opposite / hypotenuse

As we have already determined the value of hypotenuse x = 1

substituting opposite = y and hypotenuse = 1

sin 60° = y/1

y = 1 × sin 60°

y=\frac{\sqrt{3}}{2}       ∵  \sin \left(60^{\circ \:}\right)=\frac{\sqrt{3}}{2}

Therefore, the value of y is:

y=\frac{\sqrt{3}}{2}      

Summary:

  • x = 1
  • y=\frac{\sqrt{3}}{2}    
5 0
3 years ago
i observed 24 students walking pass room 26 every 4 minutes. A total of 305 students walked by, how long did it take?
svlad2 [7]
It took about 51 minutes...

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3 years ago
Two forest service watchtowers spot a fire in the distance. The fire is 27 miles from Tower 2. About how far apart are the two w
Reptile [31]
Given  that the two watchtowers spotted fire in the distance and watch tower 2 was 27 miles from the fire. Assuming that the fire is in the middle of both watch towers, then the distance between the two watch towers will be given by:
distance=[distance of fire from watch tower 1]+[distance of fire from watch tower 2]
=27+27
=53 miles
8 0
3 years ago
Using the quadratic formula to solve x2 = 5-x, what are the values of x?
kodGreya [7K]

Answer:

its the first choice, negative 1 plus or minus square root of 21 over 2

Step-by-step explanation:

5 0
3 years ago
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Prove or disprove that the point lies on the circle centered at the origin
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Answer:

Step-by-step explanation:

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