3 years ago

Hi can anyone tell me the answer

Mathematics

1 answer:

bezimeni [28]3 years ago

7 0

Answer:

Attached a pic!!

Hope it helps!!!!

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dybincka [34]

???????????????(this is how far I got)

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3 years ago

5)7÷0.002

lara31 [8.8K]

5)7÷0.002 = 35006)0.718÷0.2 = 3.59
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8)0.24÷0.012 =20
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3 years ago

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Complete the<br> proportion<br> 3 is to 4 as 75 is to...

kolezko [41]

Answer: 100

Step-by-step explanation:

$\frac{3}{4} = \frac{75}{x}$

3 x 25 = 75

4 x 25 = 100

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3 years ago

100 points!!!! What is the relative frequency of plastic buttons with four holes? Round to the nearest hundredth, if needed.

const2013 [10]

I believe that he answer would be <span>0.35</span>

4 0

3 years ago

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A potter forms a piece of clay into a cylinder. As he rolls it, the length, L, of the cylinder increases and the radius, r, decr

stepan [7]

Answer:

The radius is decreatsing at a rate 0.78 cm per second.

Step-by-step explanation:

We are given the following in the question:

$\dfrac{dl}{dt} = 0.7\text{ cm per second}$

Instant radius,r = 2 cm

Instant length,l = 9cm

The radius of the cylinder decreases.

Volume of cylinder =

$V =\pi r^2l$

Since the volume of the cylinder does not changes, we can write:

$\dfrac{dV}{dt}=0$

Rate of change of volume:

$\dfrac{dV}{dt} = \pi(2r\dfrac{dr}{dt}l + r^2\dfrac{dl}{dt})$

Puttiung values, we get

$0 = \pi(2(2)\dfrac{dr}{dt}(9) + (2)^2(0.7))\\\\\dfrac{dr}{dt}=-\dfrac{4\times 0.7}{4\times 9} \approx -0.78$

Thus, the radius is decreatsing at a rate 0.78 cm per second.

5 0

4 years ago