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Anestetic [448]

1 year ago

5

5. Aisha is older than Favour Zainab is older than Aisha Favour is older than Jessica Aisha is younger than Michael Who is the y

oungest?

1 answer:

dsp731 year ago

8 0

Answer:

Denote by A, F, Z, J, and M

A > F A is out

Z > A so Z is out

M > A so M is out

F > J so F is out

That leaves only J, Jessica

Also from above one can write:

(M, Z) > A > F

that only leaves J

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A spherical balloon is being inflated at a rate of 3 cubic inches per second. Determine the change in the rate of the radius.How

Novay_Z [31]

Answer:

The rate rate of change of radius is $\frac{1}{48\pi}$ inches per second when the diameter is 12 inches.

The radius is changing more rapidly when the diameter is 12 inches.

Step-by-step explanation:

Consider the provided information.

A spherical balloon is being inflated at a rate of 3 cubic inches per second.

The volume of sphere is $V=\frac{4}{3}\pi r^3$

Differentiate the above formula with respect to time.

$\frac{dV}{dt}=4\pi r^2\frac{dr}{dt}$

Substitute the respective values in the above formula,

$3=4\pi 6^2\frac{dr}{dt}$

$\frac{1}{48\pi}=\frac{dr}{dt}$

The rate rate of change of radius is $\frac{1}{48\pi}$ inches per second when the diameter is 12 inches.

When d=16

$3=4\pi 8^2\frac{dr}{dt}$

$\frac{3}{256\pi}=\frac{dr}{dt}$

Thus, the radius is changing more rapidly when the diameter is 12 inches.

5 0

2 years ago

I need correct answer for this

dybincka [34]

Answer:

should be 82%

Step-by-step explanation:

Hope this helps!

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1 year ago

Read 2 more answers

F(x) = -x(2nd power) + 4 when x = 3

Pepsi [2]

F(x) = -x² + 4
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f(3) = -5

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2 years ago

The width of a rectangle is 3ft less than the length. The perimeter is 62ft. Find the length and width of the rectangle.

Assoli18 [71]

I believe the length of the rectangle is 17 ft and the width is 14

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3 years ago

a man takes 20 steps to cover a distance of 18 metre how many steps will he needto take to cover a distance of 396 m

Ivenika [448]

Answer:

440 steps

Step-by-step explanation:

396 divided by 18 is 22

22 times 20 is 440

(I could be wrong )

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2 years ago