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2 years ago

Please answer this correctly without making mistakes

Mathematics

2 answers:

S_A_V [24]2 years ago

6 0

Answer:

Step-by-step explanation:

1 cup 2 fluid ounces

1 cup = 8 ounces

8 + 2 = 10 ounces

10 * 4,890 = 48,900 ounces = 6,112.5 cups = 6,112 1/2 cups

1/2 cup = 4 ounces

--> 6,112 cups 4 fluid ounces

Hope this helps!

BlackZzzverrR [31]2 years ago

4 0

Answer:

o.125 cupand 5 fluld

Step-by-step explanation:

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An athlete runs 8 miles in 50 minutes on a treadmill. At this rate how long will it take the athlete to run 9 miles? Your answer

zvonat [6]

56.25 minutes

Explanation: to find how long it takes to run one mile, divide 50 minutes by 8 miles.
50/8 = 6.25
Then you can multiply 6.25 by 9 to find the answer.
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2 years ago

the volume v of a right circular cylinder of radius r and heigh h is V = pi r^2 h 1. how is dV/dt related to dr/dt if h is const

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In general, the volume

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has total derivative

$\dfrac{\mathrm dV}{\mathrm dt}=\pi\left(2rh\dfrac{\mathrm dr}{\mathrm dt}+r^2\dfrac{\mathrm dh}{\mathrm dt}\right)$

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$\dfrac{\mathrm dV}{\mathrm dt}=2\pi rh\dfrac{\mathrm dt}{\mathrm dt}$

which is to say, $\dfrac{\mathrm dV}{\mathrm dt}$ and $\dfrac{\mathrm dr}{\mathrm dt}$ are directly proportional by a factor equivalent to the lateral surface area of the cylinder ( $2\pi r h$ ).

Meanwhile, if the cylinder's radius is kept fixed, then

$\dfrac{\mathrm dV}{\mathrm dt}=\pi r^2\dfrac{\mathrm dh}{\mathrm dt}$

since $\dfrac{\mathrm dr}{\mathrm dt}=0$ . In other words, $\dfrac{\mathrm dV}{\mathrm dt}$ and $\dfrac{\mathrm dh}{\mathrm dt}$ are directly proportional by a factor of the surface area of the cylinder's circular face ( $\pi r^2$ ).

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2 years ago

What is the center of the ellipse x2+5y2–45=0?

jeka94

Answer:

Center is at (0,0)

Step-by-step explanation:

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Therefore, the center of ellipse is at (0,0) since there are no values of h and k.

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1 year ago

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GarryVolchara [31]

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