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liubo4ka [24]
3 years ago
14

Hi there can anyone help me with this question please

Mathematics
1 answer:
forsale [732]3 years ago
4 0
Mean means average, so you would add the numbers up and divide by the amount of numbers in the set. 
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A scale on a drawing is .5mm : 4cm. The height of drawing is 4.4 mm. What is actual height of object
ivanzaharov [21]
It would be 4.4mm/.5 mm x 4 cm = 35.2 cm
6 0
3 years ago
A. $45.00<br>B. $54.00 <br>C. $53.55<br>D. $64.26​
maksim [4K]

Answer:

b

Step-by-step explanation:

it just is

5 0
3 years ago
The sum of the radius of the base and the height of a solid cylinder is 37m. If the total surface area of the cylinder is 1628 m
MA_775_DIABLO [31]

Answer:

4618.14m^{3} or 4618m^{3}  

Step-by-step explanation:

From  T.S.A = 2\pirh + 2\pir^{2}

 where T.S.A = 1628m^{2}

           1628 = 2\pirh + 2\pir^{2}

            1628 =  ( rh + r^{2} ) 2\pi

 by dividing both side by 2\pi

             \frac{1628}{2\pi }=  rh + r^{2}

          259.10 = rh + r^{2}

           rh = 259.10 - r^{2}

        h = \frac{259.10 - r^{2} }{r}   <u>          </u>(1)

From Radius + Height = 37

       r + h = 37  <u>              </u>(2)

by substituting eqn 1 into 2

    r + \frac{259.10 - r^{2} }{r}   = 37

by multiplying r to both side

   r^{2} + 259.10 - r^{2} = 37r

     259.10 = 37r

   r = \frac{259.10}{37}

   r = 7.00 ≅ 7  

From Eqn 2

     r + h = 37

     7 + h = 37

     h = 37 - 7

     h = 30

so Volume of a cylinder = \pi r^{2} h

                  V = \pi * 7^{2} * 30

                  V = 4618.14m^{3}  ≅  4618m^{3}  

4 0
3 years ago
Read 2 more answers
I need help please this is quite hard for me
creativ13 [48]
Use photomath because it is very helpful bro
4 0
2 years ago
8.673<br><br> 8.637<br><br> Is 8.673 greater, least, or are they equal?
beks73 [17]

Answer:

the answer is greater...

7 0
3 years ago
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