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prisoha [69]
3 years ago
9

Are these tables functions or non functions? PLZ ANSWER ASAP

Mathematics
1 answer:
Natasha2012 [34]3 years ago
6 0
Yes they are functions

I hope this helped

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The size of a TV is determined by the length of the diagonal of the TV. A 42" TV means the length from one corner to the other i
marusya05 [52]

Answer: height of TV = 21"

Width of TV = 36.372"

Step-by-step explanation:

The TV is rectangular and the diagonal divides the rectangle into 2 equal right angle triangles. The diagonal represents the hypotenuse of the right angle triangle. If the diagonal forms a 30 degree angle with the base of the TV, then the height of the TV represents the opposite side of the right angle triangle and the width of the TV represents the adjacent side of the right angle triangle.

To determine the height, h of the TV, we would apply the Sine trigonometric ratio.

Sin θ = opposite side/hypotenuse. Therefore,

Sin 30 = h/42

h = 42Sin30 = = 42 × 0.5

h = 21"

To determine the width, w of the TV, we would apply the

the cosine trigonometric ratio.

Cos θ, = adjacent side/hypotenuse. Therefore,

Cos 30 = w/42

w = 42Cos30 = 42 × 0.866

w = 36.372"

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3 years ago
Find the midpoint between the two points:<br> (2,3), (4,1)
grin007 [14]

Answer:

(3, 2 )

Step-by-step explanation:

given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

( \frac{x_{1}+x_{2}  }{2} , \frac{y_{1}+y_{2}  }{2} )

here (x₁, y₁ ) = (2, 3 ) and (x₂, y₂ ) = (4, 1 ) , then

midpoint = ( \frac{2+4}{2} , \frac{3+1}{2} ) = ( \frac{6}{2} , \frac{4}{2} ) = (3, 2 )

4 0
1 year ago
Suppose that you are a manager of a clothing store and have just purchased 100 shirts for $15 each. After a month of selling the
Oduvanchick [21]
He should set the original price at $27.30
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A television set uses 7 units of electricity in 5 hours. How many units will it use in 15 hours?
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21 units

Step-by-step explanation:

7 units in 5 hours means 14 units in 10 hours which means 21 units in 15 hours.

5x3=15

7x3=21

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What is the greatest common factor of 60 84 24
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Greatest Common Factor is :<span>  12 </span>
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2 years ago
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