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alisha [4.7K]
4 years ago
12

What is the height of the cylinder in the diagram? Round your answer to the nearest whole number. Done Clear cylinder with radiu

s r = 6 cm and volume V = 904.78 cubic cm
Mathematics
2 answers:
aalyn [17]4 years ago
5 0

Answer:  8 cm

Step-by-step explanation:

The volume of cylinder is given by :-

V=\pi r^2 h, where r is radius and h is height.

Given : r= 6 cm and V=  904.78 cubic cm

Substitute these values in the above formula , we get

904.78=\dfrac{22}{7} (6)^2 h \ \ [\text{We use }\pi=\dfrac{22}{7}]\\\\\Rightarrow\ h=\dfrac{904.78\times7}{22\times6^2}=7.99679292929\approx8

Hence, the height of the cylinder is 8 cm .

Allisa [31]4 years ago
3 0
Area of a circle = π * r²:
π * 6² = 113.09

904.78 / 113.09 = 8.00 (rounded)

The height is 8.00 cm

Hope this helps! :)
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3 years ago
F(x)=8x^2-2x+3<br> g(x)=12x^2+4x-3<br> what is h(x)=f(x)-g(x)?
Trava [24]

Answer: h(x)=-4x^2-6x+6

Step-by-step explanation:

To find the function h(x), you need to subtract the function f(x)=8x^2-2x+3 and the function g(x)=12x^2+4x-3.

h(x)=f(x)-g(x)\\h(x)=8x^2-2x+3-(12x^2+4x-3)

Distribute the negative sign:

h(x)=8x^2-2x+3-12x^2-4x+3

Now you can add the like terms:

h(x)=-4x^2-6x+6

Therefore, you get that the function h(x) is:

 h(x)=-4x^2-6x+6

6 0
3 years ago
Read 2 more answers
Help me please. I don't understand this.
navik [9.2K]

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

Apparently, you're being asked to identify the sequence of steps you would use to compute the volume of the pyramid.

It seems to be a good idea to start with the formula for the volume.

Then, recognize that you need to compute B, so make that computation. The area of the base (B) is the product of the base dimensions (14)(12).

Once you have the value of B, then you can put that, along with the value of h, into the original volume formula.

Evaluating it gives the volume in cubic units.

_____

<em>Additional comment</em>

If you're familiar with the pyramid volume formula, you know that you must compute B before you can make use of the formula. That makes the sequence be B=14(12); B=168; V=1/3Bh; V=1/3(168)(7).

However, if you're starting from scratch, it is probably good to begin with the volume formula. That is what tells you that you need to find B in the first place. This is the sequence we show below.

6 0
3 years ago
Select the two values of x that are roots of this equation.<br> 2x2 + 7x + 6 = 0
SVEN [57.7K]
Hopes this helps:

Answer: x = -10/7

1. Simplify 2 • 2 to 4
4 + 7x + 6 = 0

2. Simplify 4 + 7x + 6 to 7x + 10.
7x + 10 = 0

3. Subtract 10 from both sides.
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4. Divide both sides by 7.
X = -10/7
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3 years ago
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Anettt [7]

Answer:

28.26m^2 (aka. 28.26 meters squared)

Step-by-step explanation:

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