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3 years ago

3/4 of a number is 27.Whats the number?

Mathematics

2 answers:

irakobra [83]3 years ago

8 0

36 is the number

27 divided by 3/4 is 36.

vazorg [7]3 years ago

7 0

27*3/4

20.25

+ 27

47.25

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1. Find the capacity in litres of a bucket 24cm in

Sav [38]

Answer:

6.36l

Step-by-step explanation:

We compute first the volume:

V=pi×h/3×(R²+r²+rR), where h=20cm is the height, R=24/2=12cm is the top radius, r=16/2=8cm is the bottom radius.

We get: V=pi×20/3(12²+8²+12×8)=

20×pi/3(144+64+96)cm³

V=20×pi/3×304=6363.73cm³

In dm³ we have (divide by 1000) V=6.36dm³

By definition, 1dm³=1l, so the capacity is 6.36l

8 0

4 years ago

3r+(7+8)/(t-3)when r=4, s=3 and t=5

mars1129 [50]

Answer:

19.5

Step-by-step explanation:

3r+(7+8)/(t-3)

3(4)+(15)/(5-3)

12+(15/2)

12+7.5

19.5

6 0

3 years ago

A square pyramid has base edge length 14 m. The height of the pyramid is 24 m. Find the surface area of the square pyramid. Use

kotegsom [21]

Answer:

The total surface area is 896 $m^{2}$

Step-by-step explanation:

<em>The square pyramid is a solid with square base and symmetric 4 triangular faces.</em>

Given that the square base is 14 m and height is 24 m.

The apex of pyramid, center of square and center of any edge of square make a right angled triangle.

Let that height if triangular face be "x".

by pythagoras theorm , $x^{2} = 7^{2} + 24^{2} = 625$

x = 25 m

the area of square base is $14^{2} = 196 m^{2}$

the area of each triangular side is <em> $(\frac{1}{2})(base)(height) = (\frac{1}{2})(14)(25) = 135 m^{2}$ </em>

such are 4 triangles, thus $(4)(135) = 700 m^{2}$

Thus the total surface area is 196 + 700 = 896 $m^{2}$

8 0

3 years ago

Help me please!!! :(

Archy [21]

Answer:

There is no solution because the graphs do not intersect

Step-by-step explanation:

Both of theses equations do intersect with one another when graphed. In conclusion, there is no solution.

6 0

3 years ago

What is the image point of (8,-2) after a translation right 5 units and up 2 units?

Harrizon [31]

Answer:

(13,0)

Step-by-step explanation:

I hope this helps and I hope I can get Brainliest! =)

6 0

3 years ago