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snow_tiger [21]
3 years ago
8

Im lost and I don’t understand what’s going on

Mathematics
2 answers:
andrezito [222]3 years ago
6 0
Same sorry I can’t help
dybincka [34]3 years ago
5 0
After this substitute 4.5 in the equation in your photo then check the answer

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The figure shows a cylinder of diameter 12cm and height = 15cm. A hole in the shape of cone is bored into one of its end. If the
Lisa [10]

Answer:

\bold{495\pi} \approx \bold{1555.088 cm^3}

Step-by-step explanation:

There was no figure but the question is clear

Volume of a cylinder is given by the formula \bold{\pi r^2h}\\

where r is radius of base of cylinder, h is the height

Volume of a cone is given by \bold{\frac{1}{3} \pi r^2 h}

where r is the radius of base of cone, h is the height

The radius of the cylinder = \frac{1}{2}(diameter) = \frac{1}{2}(12) = 6cm

Height of cylinder = 15cm

Volume of cylinder V_{cyl} = \pi (6)^2  15 = \pi (36)15 = \bold{540\pi}

Radius of cone = \frac{1}{2} (radius of cylinder) = \frac{1}{2}(6) = 3 cm

Height of cone same as height of cylinder = 15cm

Volume of cone, V_{cone} = \frac{1}{3}\pi r^2 h = \frac{1}{3}\pi (3)^2 15 =  \frac{1}{3}(9)15\pi = \bold{45\pi}\\


Difference is the volume of the remaining solid

V_{cyl} - V_{cone} = 540\pi - 45\pi = \bold{495\pi} \approx \bold{1555.088 cm^3}



5 0
1 year ago
Jeremy bought a 5-pound bag of potatoes for$2.29. What is the unit price for one pound of potatoes?
Lerok [7]

Answer: .458 or about .46 cents if you round to the nearest cent

Step-by-step explanation:Since the price for 5 pounds of potatoes is 2.29 all together you can divide 2.29 by 5 which gives you the price for one pound of potatoes. Since one pound of potatoes would be the unit price. Hope this helps :D

3 0
3 years ago
✓17 is a number between what?<br>​
miv72 [106K]

Answer:

4.1 and 4.2

Step-by-step explanation:

or 4 and 5

8 0
2 years ago
RDY AND NDA are what?
madam [21]

Answer:

Vertical and Supplementary

Step-by-step explanation:

Vertical:

each of the pairs of opposite angles made by two intersecting lines.

Supplementary:

Two Angles are Supplementary when they add up to 180 degrees. These two angles (140° and 40°) are Supplementary Angles, because they add up to 180°: Notice that together they make a straight angle. But the angles don't have to be together.


8 0
3 years ago
Question 4(Multiple Choice Worth 4 points)
adell [148]

Answer:

C. Males Prefer thriller movies. I'm pretty sure. I'd need the photo.

Step-by-step explanation:

If you look at the graph you'll see that 56 males like thriller while only 18 of women like it. These two data points have a difference of 38, making it the largest difference than any other category, therefore, its the strongest.  

8 0
2 years ago
Read 2 more answers
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