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2 years ago

How do you get 144 for surface area

Mathematics

1 answer:

ExtremeBDS [4]2 years ago

5 0

Answer:

π = 3.142. π (pi) is the ratio of the diameter to the circumference of a circle. ...

144 = 12" x 12" = the number of square inches in 1 square foot. The math is easier if you measure everything in inches and divide the final answer by 144 to find the number of square feet.

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Add polynomials (intro)

exis [7]

Hope this helps you:)

7 0

3 years ago

ILL MARK AS BRAINLEIST

mash [69]

Answer:

24,501.42 m³

Step-by-step explanation:

Volume (cylinder) = πr²h

r = d/2 = 34/2 = 17 m

h = 27 m

V = 3.14 x 17 x 17 x 27

= 53.38 x 459

= 24,501.42 m³

7 0

2 years ago

If y=15 when x=3/4, find x when y =25. Show work please!

-BARSIC- [3]

Set up a proportion: x/y = x/y

(.75)/(15) = (x)/(25)

Then cross multiply:

(.75)(25) = (15)(x)

18.75 = 15x

x = 1.25 or (5/4)

There you go :)

6 0

2 years ago

If the diameter is 21m what is the radius? if the radius is 3.25mm what is diameter?

RoseWind [281]

Answer:

(a)

radius=diameter/2

=21/2=10.5m

(b)

radius=diameter/2

=3.25/2=1.625mm

I would appreciate if my answer is chosen as a brainliest answer

3 0

2 years ago

5/6(2x+12)-8=4-(x+1)

alekssr [168]

For this case we have the following equation:

$\frac {5} {6} (2x + 12) -8 = 4- (x + 1)$

We apply distributive property on the left side of the equation:

$\frac {5 * 2} {6} x + \frac {5 * 12} {6} -8 = 4- (x + 1)\\\frac {10} {6} x + \frac {60} {6} -8 = 4- (x + 1)$

We simplify the left side of the equation:

$\frac {5} {3} x + 10-8 = 4- (x + 1)$

Different signs are subtracted and the major sign is placed.

$\frac {5} {3} x + 2 = 4- (x + 1)$

On the right side we must take into account that:

$- * + = -$

So:

$\frac {5} {3} x + 2 = 4-x-1\\\frac {5} {3} x + 2 = 3-x$

We add x to both sides of the equation:

$\frac {5} {3} x + x + 2 = 3\\\frac {5 * 1 + 3 * 1} {3} x + 2 = 3\\\frac {5 + 3} {3} x + 2 = 3\\\frac {8} {3} x + 2 = 3$

We subtract 2 from both sides of the equation:

$\frac {8} {3} x = 3-2\\\frac {8} {3} x = 1$

We multiply by 3 on both sides of the equation:

$8x = 3$

We divide by 8 on both sides of the equation:

$x = \frac {3} {8}$

Thus, the solution of the equation is:

$x = \frac {3} {8}$

Answer:

$x = \frac {3} {8}$

4 0

3 years ago