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denis23 [38]
3 years ago
5

(Cscx+1)/(casx-1)=(1+senx)/(1-Senx)

Mathematics
1 answer:
emmasim [6.3K]3 years ago
5 0
Are you supposed to do all the ones in the quotations?
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Find the slope of a line through (-1,1) and (0,4)
Akimi4 [234]
Use the slope formula.

m = slope = (y2 - y1)/(x2 - x1)

m = (4 - 1)/(0 - (-1)) = 3/1 = 3
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
4 years ago
Read 2 more answers
Can someone help me please.
DaniilM [7]

Answer:

Yellow = 2/3(Blue)

Step-by-step explanation:

You only really need the first row of the table since it shows the volume of yellow to the volume of blue.

Before we write the equation we have to find the ratio and to do that we divide.

Divide the amount of yellow by the amount of blue:

3.5/ 5.25 = 0.666 = 2/3

now we can write the eqaution:

Yellow = 2/3(Blue)

6 0
3 years ago
Read 2 more answers
(6x2 - 4x – 5) – (3x2 – 7x + 2)
galben [10]

Answer: 3x2 + 3x - 7

Step-by-step explanation: The first term is,  3x2  its coefficient is 3

The middle term is, +3x  its coefficient is 3

The last term, the constant, is  -7

1.Multiply the coefficient of the first term by the constant   3 times -7 = -21

2. Find two factors of  -21  whose sum equals the coefficient of the middle term, which is 3

5 0
3 years ago
Read 2 more answers
I need help ASAP <br><br> I also need to show work
krok68 [10]

Answer:

A = 66 cm^2

Step-by-step explanation:

The equations to find the area of a paraleogram is:

A = bh

A = 11(6)

A = 66 cm^2

8 0
3 years ago
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