3 years ago

Your Turn!

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

5 0

B don’t quote me if I’m wrong

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Six out of the 12 members of the school choir are boys. In simplest form, what fraction of the choir is boys?

zubka84 [21]

Answer:

1/2

Step-by-step explanation:

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3 years ago

Use differentials to estimate the amount of paint needed (in m3) to apply a coat of paint 0.04 cm thick to a hemispherical dome

pogonyaev

The amount of paint is the volume of paint needed.

The amount of paint needed is 0.065312 cubic meters

<h3>How to determine the amount of paint needed</h3>

The volume of a hemisphere is:

$V = \frac 23\pi r^3$

Differentiate the above equation

$V' = 2\pi r^2 r'$

The above equation represents the estimate of the amount of paint needed.

Where:

r represents the radius (r = 52/2 m)
r' represents the thickness (r' = 0.04 cm)

So, we have:

$V' = 2\pi r^2 r'$

$V' = 2 * 3.14 * (52/2\ m)^2 * (0.04cm)$

$V' = 2 * 3.14 * (26\ m)^2 * (0.04cm)$

Express cm as m

$V' = 2 * 3.14 * (26\ m)^2 * (0.0004m)$

$V' = 0.065312 m^3$

Hence, the amount of paint needed is 0.065312 cubic meters

Read more about volumes at:

brainly.com/question/10171109

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2 years ago

What is the area of this rectangle? 10units 20units 24units 48 units

aksik [14]

Answer:

24 units ^2

Step-by-step explanation:

The base runs from 3 to 7 so the base is 7-3 = 4 units

The height runs from 2 to 8 so the height is 8-2 = 6 units

The area is

A = bh

= 6*4 = 24 units ^2

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2 years ago

Sketch a graph that is discrete, has a maximum, does not pass through the origin, and is an absolute value function

Stella [2.4K]

Um.. I can't sketch a graph on here.
A discrete function can't be an absolute value function because an absolute value function is continuous. But, the function equation can be as simple as
f(x) = - | x + 1 |
Just don't connect the dots when you draw it and boom, you're done.

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3 years ago

If u can type 40 per min how many hours would it take to type 2.6 x 10 to power of 5 words

JulijaS [17]

The answer is 260000

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4 years ago