3 years ago

I need help like now

Mathematics

1 answer:

snow_tiger [21]3 years ago

8 0

Are you trying to find x?

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If r = 5 units and x = 11 units, then what is the total surface area of the cylinder shown above?

Sergeu [11.5K]

Answer: 502.65

Step-by-step explanation: A= 2πrh + 2πr^ this is the formula for solving the surface area so now you must substitute

2·π·5·11+2·π·5^

6.28 · 55 + 2 π · 25

add and you will get 502.65 hope this helps mark me brainliest if it did

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3 years ago

What is −2/5 + 4/5

igor_vitrenko [27]

Answer:

5/2 or 0.4

Step-by-step explanation:

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The radius of a circle is 2 units.<br> What is the diameter of the circle?

Ann [662]

Answer:

4units

Step-by-step explanation:

diameter is twice the radius

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3 years ago

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A circle is centered at the point (-3, 2) and passes through the point (1, 5) what is the radius of the circle

fomenos

Answer:

5 units

Step-by-step explanation:

Center of the circle = (-3, 2)

Point on the circle = (1, 5)

Radius of the circle will be equal to the distance between the points (-3, 2) & (1, 5)

$\therefore \: radius \: of \: the \: circle \\ = \sqrt{ {( - 3 - 1)}^{2} + {(2 - 5)}^{2} } \\ = \sqrt{ {( - 4)}^{2} + {( - 3)}^{2} } \\ = \sqrt{16 + 9} \\ = \sqrt{25} \\ \therefore \: radius \: of \: the \: circle = 5 \: units$

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What is the slope of a line perpendicular to a line that contains the points (7, 1) and (-8 ,-3)

Inessa05 [86]

Answer:

Step-by-step explanation:

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