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3 years ago

{(-1, 2), (0, 2), (5, 2)} is a function. O True O False

Mathematics

2 answers:

jarptica [38.1K]3 years ago

6 0

True. When the points are plotted on a graph and connected, they pass the vertical line test. No x value is the same.

neonofarm [45]3 years ago

5 0

This would be true I believe

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If the radius of a right circular cylinder is doubled and height becomes 1/4 of the original height, then find the ratio of the

Oduvanchick [21]

Given info:-If the radius of a right circular cylinder is doubled and height becomes 1/4 of the original height.

Find the ratio of the Curved Surface Areas of the new cylinder to that of the original cylinder ?

Explanation:-

Let the radius of the right circular cylinder be r units

Let the radius of the right circular cylinder be h units

Curved Surface Area of the original right circular cylinder = 2πrh sq.units ----(i)

If the radius of the right circular cylinder is doubled then the radius of the new cylinder = 2r units

The height of the new right circular cylinder

= (1/4)×h units

⇛ h/4 units

Curved Surface Area of the new cylinder

= 2π(2r)(h/4) sq.units

⇛ 4πrh/4 sq.units

⇛ πrh sq.units --------(ii)

The ratio of the Curved Surface Areas of the new cylinder to that of the original cylinder

⇛ πrh : 2πrh

⇛ πrh / 2πrh

⇛ 1/2

⇛ 1:2

Therefore the ratio = 1:2

The ratio of the Curved Surface Areas of the new cylinder to that of the original cylinder is 1:2

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2 years ago

What is the mode of this data set?

Bess [88]

The mode of the data set is 68

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3 years ago

What is the radius of the cone?

gayaneshka [121]

Answer:

r = 6 in

Step-by-step explanation:

$V = \pi r^{2} \frac{h}{3}$ = $216\pi$

r²h/3 = 216

r² (18/3) = 6 r² = 216

r² = 216/6 = 36

r = 6

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3 years ago

What is the sum of 5.3 x 10^5 and 3.8 x 10^4in scientific notation?

Natali5045456 [20]

Answer:

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Step-by-step explanation:

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3 years ago

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Sophie [7]

I think the answer is x= 11 but im not sure

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3 years ago

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