What is the surface area of a cylinder with a radius of seven and the height is 28 both in inches?

Mathematics

1 answer:

lara31 [8.8K]3 years ago

3 0

I am not really sure about this answer, but it is 4308.08in
Hope this helps!

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B. There are 7 red, 8 green, and 6 blue marbles in the bag. Kate is going to

MrRa [10]

Answer:

Probability of event

0.34

Step-by-step explanation:

6 0

3 years ago

Emma has 7 pens in a box. 5 of the pens are blue. 2 of the pens are red. emma takes at random a pen from the box and writes down

alexandr402 [8]

Answer:

There is no question stated. If one assume the question is "Does the probability of picking the same color pen change after the first try?," the answer is "No."

Step-by-step explanation:

When the pen is replaced, the probability reverts back to the original value:

There are 7 pens:

5 Blue

2 Red

The probability of picking a red or blue pen on the first try is:

Red = 2/7

Blue = 5/7

When the pen is replaced, the probabilities return to the original values.

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2 years ago

The number of free song downloads is determined using a ratio when you purchase 40 songs you get 24 free song downloads how many

natka813 [3]

34 because 24 is 6x4 and 40 is 6.5 but you obviously round up so 7x6 so18 free songs is is 6x3 you just take away 6 to your number so 40-6+=34 so 34

3 0

3 years ago

Using a sheet of graph paper, solve the following system of equations graphically. Be sure to show any work, use a straight edge

madam [21]

Answer:

Step-by-step explanation:

Given system is

$\left \{ {{x+y=0} \atop {x-y+2=0}} \right.$

If we graph, the solution would be the interception point between these two lines, because each linear equation represents a line. The lines are attached.

In the graph, you can observe that the solution is the point (-1,1), that is x = -1 and y = 1.

Now, if we want to solve this system by another method, we can just sum both equations and solve for <em>x</em>

$\left \{ {{x+y=0} \atop {x-y+2=0}} \right.$

$2x+2=0\\x=\frac{-2}{2}=-1$