Answer:
yes there is a linear correlation
reason : a increase of 1 hour results in an increase of 3 height
y= 3x + 4
it has a positive slope of 3 ,and y intercept of 4
Step-by-step explanation:
Answer: D) 32
Each side of the cube is 8 units, so the perimeter of one side is 4*8 = 32.
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Answer: D
Step-by-step explanation:
Sum of adjacent angles on a straight line is 180°
x+56°=180°...
x=180°-56°
x=124°
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We have 2 conditions:
1 - angles opposed by the vertex - the angles are equal
2 - supplementary angles - the sum of the two angles results in 180
2:
(4X + 15) and (5X + 30) are supplementary angles, so:
(4X + 15) + (5X + 30) = 180
9X = 180 - 15 - 30
9X = 135
<h2>X = 15</h2>
1:
(3Y + 15) and (5X + 30) are angles opposed by the vertex, so they are equal
3Y + 15 = 5X + 30
3Y = 5X + 30 - 15
3Y = 5X + 15 <em>above we have already calculated the value of X</em>
3Y = 5.(15) + 15
3Y = 75 + 15
3Y = 90
Y = 90/3
<h3>Y = 30</h3>
