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Jobisdone [24]
4 years ago
15

Pleased help with this

Mathematics
1 answer:
mote1985 [20]4 years ago
8 0

Answer:

A

Step-by-step explanation:

You might be interested in
3x^2 + 6x + 4 axis of symmetry
Natasha_Volkova [10]
Considering the axis of symmetry formula is x = -b / 2a , we can fill in this with the equation given, making it x = -(6) / 2(3) which comes out to -1

So the axis of symmetry for 3x^2 + 6x + 4 is -1
5 0
2 years ago
Help, and please show your work.
VLD [36.1K]

Answer:

for #9:

tan 30=x/10

tan 30*10=x

x=5.77=5.8

for #10:

tan 40=4/x

x*tan 40=4

x=4/tan 40

x=4.76=4.8

Step-by-step explanation:

hope all that helped lol

7 0
3 years ago
Read 2 more answers
-x=-24 <br> it’s for pre-algebra
labwork [276]
So -x can also represent -1

You want to divide both sides by -1 so you can get -x to be just x

-x divided by -1 = x
-24 divided by -1 = 24

Your answer is x=24
8 0
4 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
4 years ago
Read 2 more answers
Question 1
777dan777 [17]

Answer:

There would be 94 tiles.

Step-by-step explanation:

The number of tiles is given by the following equation:

n = 6 + 4p

In which p is the current position.

How many tiles would there be in position 22?

This is n when p = 22. So

n = 6 + 4*22 = 6 + 88 = 94

There would be 94 tiles.

8 0
3 years ago
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