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My name is Ann [436]
3 years ago
6

 Which is this?

Mathematics
1 answer:
NemiM [27]3 years ago
8 0
The answer is I. Area of a triangle
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Can someone please help? :)
garri49 [273]

Answer:

The first step is to find the volume of the two hemispheres.

Step-by-step explanation:

\boxed{volume \: of \: sphere =  \frac{4}{3} \pi {r}^{3} }

Since the 2 hemispheres have the same radius, we can simply find the volume of a sphere.

Volume of sphere

=  \frac{4}{3}( \pi)( {12}^{3} )

= 2304\pi \: in^{3}

Volume of solid

= volume of cylinder -volume of 2 hemispheres

Let's find the volume of the cylinder.

\boxed{voume \: of \: cylinder = \pi {r}^{2}h }

Volume of cylinder

= \pi( {12}^{2} )(24)

= 3456\pi \: in^{3}

Thus, volume of solid

= 3456\pi - 2304\pi

= 1152\pi

= 1152(3.14)

= 3617.28 \: in^{3}

7 0
3 years ago
Read 2 more answers
Solve for x: You must show your work (how you got your answer).<br><br> 8x + 5 = 35
valentinak56 [21]

Answer:

3.75 or 15/4

Step-by-step explanation:

8x+5=35

Subtract 5 from the left side to cancel it out, do the same thing to 35.

8x=30

Divide 8x by 8 to get x alone, do the same thing to 30.

x=3.75, or once you simplify 30/8, you get 15/4.

6 0
4 years ago
a farmer has enough grain to feed 60 cattle for 10 days for how many days will the grain last when there are 30 cattle
azamat

Hi!

The simple explanation is just, since there are half as many cows, then the grain will last two times more.

But here's why. How many times are you going to be feeding the cattle, over 10 days, if you feed them once per day? 60 * 10 = 600, so 600 times.

If you're still feeding them once per day, and there are 30 cows instead, then find how many times 30 goes into 600. 600 / 30 = 20 days. That's a method you can use, no matter what, even if it's, say 50 cattle. You would still get an answer (if it was 50, 600 / 50 = 12, so 12 days).

Hope this helped!

8 0
3 years ago
Read 2 more answers
The graph of a function f(x) is shown. What is the value of x where f(x) = -5? And f(0)?
max2010maxim [7]

Answer:

x = -3 when f(x) = -5

f(0) = 3

Step-by-step explanation:

When f(x) = -5, that means they have told you the y value. When y = -5, x = -3.

If the number is in the parentheses of the function, they are giving you the x value. When x  = 0, y = 3

7 0
2 years ago
Ahh I need help with this
sergiy2304 [10]

Answer:

i thinkbit is C but im in 6th grade and at may 5 i. not there yet

4 0
3 years ago
Read 2 more answers
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