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IrinaVladis [17]
2 years ago
15

I need to know the answer ASAP

Mathematics
2 answers:
stealth61 [152]2 years ago
4 0
I need to know the answer ASAP
aniked [119]2 years ago
3 0

Answer:

Step-by-step explanation:

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The radius of a sphere is increasing at a rate of 5 mm/s. how fast is the volume increasing when the diameter is 60 mm? evaluate
mamaluj [8]
The diameter of the sphere is 60 mm which means its radius is 30mm. <span>The radius of a sphere is increasing at a rate of 5 mm/s. 
The formula for the radius when the time is x second would be:
</span>r(t)<span>= 30+ 5x
dr/dt= 5

The speed of </span><span>volume increase </span><span>of the sphere volume would be derived from sphere volume: 
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dV/dt= 4/3 * pi * 3r^2 * (dr/dt) =4/3* pi * 3(30)^2 * 5 =  18000 pi= 56571 mm^3/s</span>
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3 years ago
Exercice 2:
asambeis [7]

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3 years ago
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Pepsi [2]

Answer:

x = 12

Step-by-step explanation:

Recall: the secant-tangent rule states that when a secant and a tangent meet at an external point of a circle, the product of the secant and the external segment is equal to the square of the tangent segment

(x)(3) = 6² (secant-tangent rule)

3x = 36

Divide both sides by 3

3x/3 = 36/3

x = 12

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2 years ago
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The picture shows three kids playing with a ball Two more kids getting ice cream from a vendor stopped by the road and three more kids eating there ice cream with tall buildings in the back
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Each grape at the supermarket weighs 5 grams. If Eric buys a bag of grapes that weighs 50 grams, how many grapes did he buy?​
Usimov [2.4K]

Answer:

10 grapes

Step-by-step explanation:

50 divided by 5 is 10

7 0
2 years ago
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