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3 years ago

Hey everyone can someone please help me with 5c :)

Mathematics

1 answer:

Lostsunrise [7]3 years ago

5 0

Answer:

A=23512.32

Step-by-step explanation:

The equation for the area of a cylinder is A=2πrh+2πr^2

If we substitute the radius and height, the equation would be A=2π(60)(2.4)+2π(60)^2

π can be shortened to 3.14 so it's A=2(3.14)(60)(2.4)+2(3.14)(60)^2

We're left with 904.32+22608

So the answer is 23512.32

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Please answer! Only if correct, please.

marta [7]

Answer:

f(-4) = -6

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Step-by-step explanation:

To evaluate a function we must plug in the values of x. So for:

f(x) = 2x+2

we have:

f(-4) = 2(-4)+2

then we simplify:

f(-4) = -8+2

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Now the same steps are taken for g(x) in which the answer would be -14.

6 0

3 years ago

Can you answer these 3 questions for me plz

finlep [7]

A.
$1hr \: 15min = 75min$

$c = 0.22t = 0.22 \times 75 = 16.5$

cost is $16.50

B.

$26.40 = 0.22 \times t$

rearrange to solve for t:

$t = \frac{26.40}{0.22} = 120min$

C. This is the same as part B, only the rate changed

$t = \frac{26.40}{0.25} = 105.6min$

they ask for the greatest number of minutes, so we round down (take the floor of the value).

the answer is 105 minutes.

4 0

3 years ago

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What is the shape of the cross-section formed when a plane containing line AC and line EH intersects this cube? What is the area

liq [111]

Answer:

Area of given figure = 96 unit²

Step-by-step explanation:

Given:

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Width of shape = 4 unit

Height of shape = 4 unit

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Computation:

All side of figure all equal

So,

Given figure is a cube

Number of faces of cube = 6

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Area of base = 4 x 4

Area of base = 16 unit²

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Answer:

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Step-by-step explanation:

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