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Serggg [28]
3 years ago
11

What are the answer to these? PLEASE ANSWER (don’t mind my work)

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0

uno is the answer i believe

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(√x-4/x-2√x+3/√x-2) <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%28%E2%88%9Ax-4%29%20%7D%7Bx-2%E2%88%9Ax%7D%20%2B%20%5Cfrac%7B3%
charle [14.2K]

Answer: Down there there is an image with the correct answer and step by step

I hope that it helps you!

5 0
2 years ago
Assume that the flask shown in the diagram can be modeled as a combination of a sphere and a cylinder. Based on this assumption,
kompoz [17]

If the flask shown in the diagram can be modeled as a combination of a sphere and a cylinder, then its volume is

V_{flask}=V_{sphere}+V_{cylinder}.

Use following formulas to determine volumes of sphere and cylinder:

V_{sphere}=\dfrac{4}{3}\pi R^3,\\ \\V_{cylinder}=\pi r^2h,

wher R is sphere's radius, r - radius of cylinder's base and h - height of cylinder.

Then

  • V_{sphere}=\dfrac{4}{3}\pi R^3=\dfrac{4}{3}\pi \left(\dfrac{4.5}{2}\right)^3=\dfrac{4}{3}\pi \left(\dfrac{9}{4}\right)^3=\dfrac{243\pi}{16}\approx 47.71;
  • V_{cylinder}=\pi r^2h=\pi \cdot \left(\dfrac{1}{2}\right)^2\cdot 3=\dfrac{3\pi}{4}\approx 2.36;
  • V_{flask}=V_{sphere}+V_{cylinder}\approx 47.71+2.36=50.07.

Answer 1: correct choice is C.

If both the sphere and the cylinder are dilated by a scale factor of 2, then all dimensions of the sphere and the cylinder are dilated by a scale factor of 2. So

R'=2R, r'=2r, h'=2h.

Write the new fask volume:

V_{\text{new flask}}=V_{\text{new sphere}}+V_{\text{new cylinder}}=\dfrac{4}{3}\pi R'^3+\pi r'^2h'=\dfrac{4}{3}\pi (2R)^3+\pi (2r)^2\cdot 2h=\dfrac{4}{3}\pi 8R^3+\pi \cdot 4r^2\cdot 2h=8\left(\dfrac{4}{3}\pi R^3+\pi r^2h\right)=8V_{flask}.

Then

\dfrac{V_{\text{new flask}}}{V_{\text{flask}}} =\dfrac{8}{1}=8.

Answer 2: correct choice is D.


8 0
3 years ago
Read 2 more answers
What is the rule
Taya2010 [7]
Add 5

y is found by adding 5 to x
5 0
2 years ago
Plz help me<br><br> 56+(96x3)-34=?
Veseljchak [2.6K]
The answer to it is 310
7 0
3 years ago
Read 2 more answers
What is the circumference of a circle with a diameter of 7 inches? (use for pi)
Marrrta [24]

Answer:

21.9

Step-by-step explanation:

circumference = pi x diameter

3.14 x 7 = 21.9

3 0
3 years ago
Read 2 more answers
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