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muminat
2 years ago
14

A cylindrical bucket having inner height and radius 32cm and 8cm respectively, is filled with sand. This bucket is emptied on a

level ground and a conical heap of sand is formed. If the height of the conical heap is 24cm, find the radius and slant height of the heap.​
Mathematics
1 answer:
slavikrds [6]2 years ago
5 0

Answer:

As we know if a solid object turn into another or if a thing which take a shape of one object turn into another object then there volume will be equal.

Take pie = ¶

volume of cylinder = volume of cone

¶×rsquare×h= 1/3¶r square h

18×18×32×3/24=r square

18×18×8×3/6= r square

18×18×4×3/3=r square

√18×18×2×2=r

18×2=r

r =36 cm

h= 24 cm

slant height = √36×36+24×24

slant height = √1872

slant height=

√2×2×2×2×13×3×3

slant height = 12√13 cm

Step-by-step explanation:

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If wallpaper costs $1.25 per squared foot, how much will it cost to put mew wallpaper in a room with area dimensions of 17 ft lo
AleksandrR [38]

The area of the room is :

\begin{gathered} A=17\cdot16 \\ A=272 \end{gathered}

and if the cost is 1.25 per square foot then the total cost will be:

272\cdot1.25=340

is $340 dollars

6 0
10 months ago
8 + 8r = 3 + 3r can anyone can help me out​
MAVERICK [17]

Answer:r = -1

Step-by-step explanation:

8+8r-(3+3r)=0

We add all the numbers together, and all the variables

8r-(3r+3)+8=0

We get rid of parentheses

8r-3r-3+8=0

We add all the numbers together, and all the variables

5r+5=0

We move all terms containing r to the left, all other terms to the right

5r=-5

r=-5/5

r=-1

Hope this helps

6 0
2 years ago
Read 2 more answers
Please I need your help ASAP
dolphi86 [110]

Answer:

D

Step-by-step explanation:

B has a y-intercept of 4, greater than A's y-intercept of -4. This means that D is correct.

7 0
2 years ago
Read 2 more answers
the width of a rectangle is 8 feet and the diagnal length of the rectangle is 13 feet which measurement is closest to the length
____ [38]

Answer:

Well the whole answer is 10.246950 smth smth but I don’t have the multiple choices so your gonna have to round yourself

Step-by-step explanation:

Okay so you have a weigh of 8 and a diagonal of 13.

If you look, theres a triangle there. One side has 8 and the diagonal that was cut forms a 13. So we have a leg and a hypotnuse. To find the other leg (length) just follow the Pythagorean theroum and solve for b or a.

Pythagorean theroum: a^2+b^2=c^2

Now subsitute c for 13 since its the hypotnuse and a or b as 8 but only one.

In this case I’m substituting a for 8.

8^2+b^2=13^2

Solve the squares

64+b^2= 169

Isolate the b

b^2=105

Now square root 105

√105 will give the answer above on a normal calculator but if you have to round, I don’t know what place but you can round.

7 0
2 years ago
Find the length of side X
NISA [10]

Answer:

C

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

The square on the hypotenuse is equal to the sum of the squares on the 2 other sides, that is

x² + 6² = 17²

x² + 36 = 289 ( subtract 36 from both sides )

x² = 253 ( take the square root of both sides )

x = \sqrt{253} → C

7 0
2 years ago
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