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MA_775_DIABLO [31]
3 years ago
6

The volume of a spherical balloon is increasing at the rate of 25cm^3/min, how fast is the radius increasing when the radius is

equal to 20cm?
Mathematics
1 answer:
Afina-wow [57]3 years ago
5 0

Answer:

V=4/3πr^3;S=4πr^10;dV/dt=dV/dr×dr/dt=4πr^10×dr/dt;dS/dt=dS/dr×dr/dt=8πr×dr/dt=2/r×dV/dt;当r=10cm时,dS/dt=50cm^2/s

Step-by-step explanation:

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jennifer started working at her job earning $6.25 per hour. every 6 months, she gets a 3.25% raise. if jennifer has worked at th
den301095 [7]

Answer:

Step-by-step explanation:

She'll make a total of 0.20 cents more so she'll make 6.45 per hour

thank you

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5 0
3 years ago
PLS HELP IM DESPARET
vesna_86 [32]

Answer:

19/4 or 4.75

Step-by-step explanation:

Week 1: 1 1/8 = 1.125

Week 2: -2 5/8 = -2.625*

Week 3: 1 3/4 = 1.75

Week 4: -1 1/2 = -1.5

Week 5: 2 1/8 = 2.125*

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3 0
3 years ago
A hemispherical dome of radius 50 feet is to be given 3 coats of paint, each of which is 1/100 inch thick. Use linear approximat
Alchen [17]

Answer:

no

Step-by-step explanation:

5 0
3 years ago
THe yearly profits of a company is $35,000, but they have been decreasing 6% per year. What will be the profit in 8 years?
Elenna [48]

Answer:

The total money will be $113750(I think)

Just check other's answers.(or use a calculator.)

7 0
3 years ago
A company is allowed to interview candidates until two qualified candidates are found. But budget constraints dictate that no mo
Lapatulllka [165]

Answer:

Kindly check attached picture for sample space design

45 ways

Step-by-step explanation:

Number of qualified candidates to be chosen = 2

Number of candidates to be interviewed = 10

Combination formula :

nCr = n! / (n-r)! r!

10C2 = 10! ÷ (10 - 2)!2!

10C2 = 10*9 / 2 * 1

10C2 = 90/2

10C2 = 45 different samples

Our sample space will contain 45 different samples

4 0
2 years ago
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