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Mademuasel [1]
3 years ago
14

Inverse proportion

Mathematics
2 answers:
dangina [55]3 years ago
5 0

Answer:

let the number of plate be n,rate be r and number of people be p

P=K(constant)/(n*t)

K=PNT

K=14*35*2

K=980

T=(K)/(PN)

T=980/(20*60)

T=980/1200

T=0.817 hours=49 minutes.

lesya692 [45]3 years ago
4 0

Answer:

Just Wait a minute... Your Question will be answered....

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What does 5x + 10y equal
leonid [27]

Answer:

Step-by-step explanation:

 Slope = 1.000/2.000 = 0.500

 x-intercept = 0/1 = 0.00000

 y-intercept = 0/-2 = -0.00000

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    5*x-(10*y)=0  

Step by step solution :

Step  1  :

Pulling out like terms :

1.1     Pull out like factors :

  5x - 10y  =   5 • (x - 2y)  

Equation at the end of step  1  :

Step  2  :

Equations which are never true :

2.1      Solve :    5   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Equation of a Straight Line

2.2     Solve   x-2y  = 0

Tiger recognizes that we have here an equation of a straight line. Such an equation is usually written y=mx+b ("y=mx+c" in the UK).

"y=mx+b" is the formula of a straight line drawn on Cartesian coordinate system in which "y" is the vertical axis and "x" the horizontal axis.

In this formula :

y tells us how far up the line goes

x tells us how far along

m is the Slope or Gradient i.e. how steep the line is

b is the Y-intercept i.e. where the line crosses the Y axis

The X and Y intercepts and the Slope are called the line properties. We shall now graph the line  x-2y  = 0 and calculate its properties

Graph of a Straight Line :

 

 

Calculate the Y-Intercept :

Notice that when x = 0 the value of y is 0/-2 so this line "cuts" the y axis at y=-0.00000

 y-intercept = 0/-2  = -0.00000  

Calculate the X-Intercept :

When y = 0 the value of x is 0/1 Our line therefore "cuts" the x axis at x= 0.00000

 x-intercept = 0/1  =  0.00000  

Calculate the Slope :

Slope is defined as the change in y divided by the change in x. We note that for x=0, the value of y is 0.000 and for x=2.000, the value of y is 1.000. So, for a change of 2.000 in x (The change in x is sometimes referred to as "RUN") we get a change of 1.000 - 0.000 = 1.000 in y. (The change in y is sometimes referred to as "RISE" and the Slope is m = RISE / RUN)

   Slope     =  1.000/2.000 =  0.500  

Geometric figure: Straight Line

 Slope = 1.000/2.000 = 0.500

 x-intercept = 0/1 = 0.00000

 y-intercept = 0/-2 = -0.00000

6 0
4 years ago
How do you work this out?
Helen [10]

Answer:

£365

Step-by-step explanation:

so add another column and call it midpoint. use the weekly earnings column to find the midpoints add both numbers then divide by 2

then times all these numbers by the corresponding frequencies

1     * 200=200      

11    * 300=3300

5    * 400=2000

0    *  500=0

3    * 600=1800

then add these numbers =7300  then do 7300/20=365

5 0
3 years ago
Simplify: square root 108+square root 125-square root 75​
navik [9.2K]

Answer:

11\sqrt{3} + 5\sqrt{5}

Step-by-step explanation:

\sqrt{108}+\sqrt{125} - \sqrt75}

1. \sqrt{108}  = 6\sqrt{3}\

2. \sqrt{125} = 5\sqrt{5}

3. \sqrt{75} =  5\sqrt{3}

4.    Add 6\sqrt{3} + 5\sqrt{3}  = 11\sqrt{3}

your left with 11\sqrt{3}+5\sqrt{5}

7 0
3 years ago
Read 2 more answers
Can someone please help?​
Alekssandra [29.7K]

Answer:

g

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
T-T help, i do not understand functions....
Afina-wow [57]
1. Rate of change is 2/5
2. Rate of change is 1.5
3. Rate of change is -1x
4.Rate of change is 1/4
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