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natima [27]
2 years ago
10

How to Write the product of 3 and the square of a number increase by that number in algebraic expression

Mathematics
1 answer:
never [62]2 years ago
6 0

Answer:

let the number be x

x²+3x

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Find the surface area of a cylinder with a base radius of 2 yd and a height of 3 yd.
kherson [118]

Answer:

20 π

Step-by-step explanation:

The surface area of a cylinder is made up of 2 circles and its side.

To find the circles' areas, use the area formula for a circle: A = πr^2.

Since our radius is 2 yd, we can substitute r = 2 into this formula.

A = π2^2 = 4π

Now remember, this is only the area of once circle. Multiply 4π by 2 to get the area of both circles: 8π.

Now we need to find the surface area of the side.

If we flatten it out, we can see that the side is actually a curled up rectangle.

The length is the circumference of the circle and the width is the height of the cylinder.

To find the circumference, use the circumference formula for a circle: C = 2πr.

Substitute r = 2 into the formula.

C = 2π2 = 4π

Now that we know that the length is 4π, we can multiply the length by the width to find the area of the cylinder's side.

l = 4π

w = 3

A = lw = 4π * 3 = 12π

Finally, we can add the areas of the circles and the side to get the total surface area.

8π + 12π  = 20π

And that is your answer!

Please mark as Brainliest! :)

3 0
2 years ago
Professor Harris is teaching a continuing education class at the local community college. He created the following box plot from
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Step-by-step explanation:

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3 years ago
PLS SOMEON EHELP PLS IM BEGGING FOR HELP IM SCRAEIMG FOR HELP
ohaa [14]
None of your answers are correct

all you have to do it look at what place the value underlined

for example, find value of 5 in 517,849

the 5 is in the 100 thousands place this means that the value is 500,000
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A statistics teacher was interested in the relationship between the number of days students waited to start a project and the sc
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The answer to the problem is 5.
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