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8_murik_8 [283]

3 years ago

13

The lines shown below are parallel if the green line has a slope of 5 what is the slope of the red line

2 answers:

kvv77 [185]3 years ago

7 0

If the lines are parallel that means they will never intersect to make sure that they never intersect two parallel lines always have the same slope

THIS IS JUST A SAMPLE GRAPH FOR REFERENCE

bija089 [108]3 years ago

3 0

They both have a slope of 5 because they are parallel (if they did not have the same slope then that means they would touch at some point which makes them non-parallel lines)

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Y+5=9/2(x+7) in standard form

ZanzabumX [31]

Answer:

2x-y=-1

Step-by-step explanation:

y + 9 = 2(x + 5)

y + 9 = 2x + 10 [distribute]

y = 2x + 1 [subtract 9 from both sides]

y - 2x = 1 [subtract 2x from both sides]

-2x + y = 1 [put x first]

2x - y = -1 [multiply by -1 to make x coefficient positive]

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3 years ago

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20 green and 20 red ?

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3 years ago

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Emmanuel carves a cone-shaped hollow out of a solid clay cylinder. What is the approximate volume of the solid portion of the cy

bixtya [17]

Answer:

$3.14r^2(h-\frac{1}{3}h_1)$

Step-by-step explanation:

Let h be the cylinders height and r the radius.

-The volume of a cylinder is calculated as:

$V=\pi r^2h$

-Since the cone is within the cylinder, it has the same radius as the cylinder.

-Let $h_1$ be the height of the cone.

-The area of a cone is calculated as;

$V=\pi r^2 \frac{h}{3}\\\\=\frac{1}{3}\pi r^2h_1$

The volume of the solid section of the cylinder is calculated by subtracting the cone's volume from the cylinders:

$V=V_{cy}-V_{co}\\\\=\pi r^2h-\frac{1}{3}\pi r^2 h_1, \pi=3.14\\\\=3.14r^2(h-\frac{1}{3}h_1)$

Hence, the approximate area of the solid portion is $3.14r^2(h-\frac{1}{3}h_1)$

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4 years ago

At what rate does a human grow

ipn [44]

Depends on the kid lol

8 0

3 years ago

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9. Using a twenty sided number cube, what is the probability that you will roll an even number or

IceJOKER [234]

Answer:

0.85

Step-by-step explanation:

total samples cases = 20

chances that are even or odd prime are 17 chances

2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20

probability = 17/20

= 0.85

3 0

2 years ago