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vlabodo [156]
3 years ago
7

What is the value of y in the equation 6 + y = −3?

Mathematics
1 answer:
oee [108]3 years ago
6 0
The value of y is -9
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What is the radius of the cylinder ?
djyliett [7]

Answer:

The radius is 1

Step-by-step explanation:

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3 years ago
four spheres of radius 6cm just fit inside a cylinder calculate the volume inside the cylinder that is empty leave your answers
Alekssandra [29.7K]

Answer:

The volume inside the cylinder is  1152\pi\ cm^3.

Step-by-step explanation:

Given : Four spheres of radius 6 cm just fit inside a cylinder.

To find : Calculate the volume inside the cylinder that is empty ?

Solution :

The volume of the cylinder is volume of 4 spheres.

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

The radius is 6 cm.

The volume of four spheres is

V=4\times \frac{4}{3}\times \pi\times (6)^3

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Therefore, the volume inside the cylinder is  1152\pi\ cm^3.

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Which of the following ordered pairs represents a function? PLEASE HELP​
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Answer:

im  not that sure but i thinks its A or B

Step-by-step explanation:

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3 years ago
The length of the minute hand of a clock is
svetlana [45]

Answer:

Therefore,

The length of the path traced  by the outer tip of the minute hand in one hour, is 88 inches.

Step-by-step explanation:

Given:

The length of the minute hand of a clock is,

Which is as Radius,

Therefore,

Radius = r = length of the minute hand = 14\ inches

pi = 22/7

To Find:

The length of the path traced  by the outer tip of the minute hand in one hour, will be One full rotation, that is

Circumference, C = ?

Solution:

Circumference, is given by,

Circumference = 2\pi r

Circumference = 2\times \dfrac{22}{7}\times 14=88\ inches

Therefore,

The length of the path traced  by the outer tip of the minute hand in one hour, is 88 inches.

7 0
3 years ago
Currently, the demand equation for necklaces is Q = 30 – 4P. The current price is $10 per necklace. Is this the best price to ch
barxatty [35]

Answer:

The correct answer is NO. The best price to be charged is $3.75

Step-by-step explanation:

Demand equation is given by Q = 30 - 4P, where Q is the quantity of necklaces demanded and P is the price of the necklace.

⇒ 4P = 30 - Q

⇒ P = \frac{30-Q}{4}

The current price of the necklace $10.

Revenue function is given by R = P × Q = \frac{1}{4} × ( 30Q - Q^{2})

To maximize the revenue function we differentiate the function with respect to Q and equate it to zero.

\frac{dR}{dQ} =  \frac{1}{4} × ( 30 - 2Q) = 0

⇒ Q = 15.

The second order derivative is negative showing that the value of Q is maximum.

Therefore P at Q = 15 is $3.75.

Thus to maximize revenue the price should be $3.75.

6 0
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