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Nadusha1986 [10]

3 years ago

10

What is the volume of a cylinder, in cubic cm, with a height of 19cm and a base diameter of 6cm? Round to the nearest tenths pla

ce

1 answer:

nirvana33 [79]3 years ago

8 0

V=πr2h=π·32·19≈537.21234

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Whats the answer to this please help me please

oksian1 [2.3K]

Answer:

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Step-by-step explanation:

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3 years ago

Fid the log of 0.0007356

bazaltina [42]

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5 0

3 years ago

A parabola can be drawn given a focus of (−6,−1) and a directrix of y=1. Write the equation of the parabola in any form.

kkurt [141]

Answer:

y = -(x + 6)²/4

Step-by-step explanation:

Since the equation of a parabola is given as the distance of a point to a given point(focus) being equal to the distance of the point fro a given line (directrix),

and our focus is at (-6,-1) and our directrix is y = 1, then by the distance equation, the distance from each point to the point (x, y) is

√[(x - x)² + (y - 1)²] = √[(x - (-6))² + (y - (-1))²]

√[0² + (y - 1)²] = √[(x + 6)² + (y + 1)²]

√(y² -2y + 1) = √[(x² + 12x + 36) + (y² + 2y + 1)]

squaring both sides, we have

y² - 2y + 1 = x² + 12x + 36 + y² + 2y + 1

collecting like terms, we have

y² - 2y - y² - 2y = x² + 12x + 36 + 1 - 1

simplifying, we have

- 4y = x² + 12x + 36

factorizing the expression in x, we have

-4y = (x + 6)²

y = -(x + 6)²/4

3 0

3 years ago

Sue needs to drive 372 miles to visit her aunt. She stopped at a gas station one-third of the way in to her trip. How many miles

IRINA_888 [86]

Answer:

Sue has traveled 124 miles.

Step-by-step explanation:

Here, the distance covered by Sue is a fraction of the total distance to be covered.

The total distance to her aunt's = 372 miles

but the gas station is at one-third of the distance to be covered.

Thus,

Miles traveled by Sue = $\frac{1}{3}$ x 372

= 124

Miles traveled by Sue = 124 miles.

Therefore Sue has traveled 124 miles.

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3 years ago

Steven purchased a box of chocolate shaped like the one shown in the diagram. The box is 12 inches tall and the area of the bott

Valentin [98]

D. Pyramid volume is calculated 1/3×base area×height

4 0

4 years ago