3 years ago

Explain how you could the surface area and volume of the water tower

1 answer:

4 0

To find the volume of a cylinder, multiply the area of its bottom (a circle with area ar?) by its height, h. The top and bottom of a cylinder are equal-sized circles. A cylindrical water tower has a radius of 21 feet and a height of 15 feet

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And right triangle ABC shown, what is the length of AC?

Vera_Pavlovna [14]

Simple pythagorus theorem with the equation a^2=b^2+c^2
To find AC, (2^2)+(3^2)=4+9=13
AC=the square root of 13

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3 years ago

-2x-4+5x=8 please help, I'm too stupid to do this.

nydimaria [60]

Answer: x=1 1/3

Step-by-step explanation:

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3 years ago

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Today, Barry wants to write at least 50 pages of his research paper. Barry wrote 18 pages this morning. Barry averages about 8 p

Sever21 [200]

Answer:

The answer is

Step-by-step explanation:

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3 years ago

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Write (9 +6/) - (1 + 3/) as a complex number in standard form.

kirza4 [7]

I'm assuming the given problem is (9+6i) - (1+3i)

If that assumption is true, then this is what the steps look like

(9+6i) - (1+3i)

9+6i - 1-3i

(9-1)+(6i-3i)

(9-1)+(6-3)i

8+3i

<h3>Answer: 8+3i</h3>

8 0

3 years ago

Step by step explanation please

galina1969 [7]

Two equal triangles

2(1/2×b×h)

=2(1/2×8×10)

$= 80 {cm}^{2}$

Three rectangles

=3(l×h)

=3(18×8)

=3(144)

$432 {cm}^{2}$

Total Surface area

$80 {cm}^{2} + 432 {cm}^{2} \\ 512 {cm}^{2}$

8 0

3 years ago