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Snezhnost [94]
4 years ago
13

When x is 2, y is 4, p is 0.5, and m is 2. If x varies directly with the product of p and m and inversely with y, which equation

models the situation?
Mathematics
2 answers:
Nesterboy [21]4 years ago
8 0

Answer:

x=8((m*p)/y)

Step-by-step explanation:

You have that x varies directly with p*m (which means that if the result of m*p increase, x increase)

And you have too that x is inversely with y (which means that if y increase, x decrease).

Then you must get:

x=constant value((m*p)/y)

If the problem says that x is 2, y is 4, p is 0.5, and m is 2

the constant value should be 8, in this way:

x=8((m*p)/y)

If you replace:

x=8((2*0,5)/4)

The result is x=2

galben [10]4 years ago
3 0
Can you elaborate please? What does p and m mean?
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I need help Please help.
asambeis [7]

Answer:

Step-by-step explanation:

Number of students 10

Problem 1. $625 for the bus hire per friday, So 625*4=$2500

Problem 2. 2500/25=$100 each for the whole 4 weeks

Problem 3.

10 students tickets 220= 2200 for all tickets. The bus, 625/10 = $62.5*4= $250 dollars for the whole 4 weeks for the bus so in all each student pays $470 each

20 students, tickets 220=4400 for all tickets. The bus, 625/20=$31.25*4=$125 for the whole 4 weeks for the bus, so in all each student must pay $345 each

30 students, tickets 220 = 6600 for all tickets. The bus, 625/30 =$20.83*4=$83.32 for the whole 4 weeks for the bus, so in all each student must pay $303.32 each

41 students, tickets $160=$6560 for all tickets. The bus, because you need 2 buses at 625 each so $1250 for both buses 1250/41= 30.49*4=$121.96 for the whole 4 weeks for the bus. So in al each student must pay $281.96 each

Hope this is correct

8 0
3 years ago
PLEASE HELP ALGEBRA 2!!!
BlackZzzverrR [31]

Step-by-step explanation:

-4.5x -2y = -12.5 -------(1)

3.25x -y = -0.75 --------(2)

From (2) we can make y the subject of the relation

y = 0.75+3.25x -------(3)

Input 0.75+3.25x into y in (1)

-4.5x -2(0.75+3.25x) = -12.5

-4.5x -1.5- 6.5x = -12.5

-4.5x -6.5x -1.5 = -12.5

-11x = -12.5 +1.5

-11x = -11

x = 11/11

x = 1

If x = 1,substitute 1 into x in (3)

y = 0.75+3.25x

y = 0.75 +3.25(1)

y = 0.75 +3.25

y = 4

x = 1,y = 4

7 0
3 years ago
Classify the following triangle check all that apply
Oksanka [162]
You did not attach an image
6 0
3 years ago
The episodes of a TV program are each 40 minutes long. Phill watches four episodes together. How long is he watching TV for ? Gi
Oxana [17]

Answer:

He is watching TV for 2 hours and 40 minutes.

Step-by-step explanation:

We are given that the episodes of a TV program are each 40 minutes long. Phill watches four episodes together.

As it is stated that the length of each episode of a TV program is 40 minutes, so the length of four episodes is given by;

1 episode = 40 minutes

4 episodes = 4 \times 40

                  = 160 minutes

So, the length of four episodes together is 160 minutes.

Now, we have to convert the time in hours and minutes;

As we know that 1 hour = 60 minutes

160 minutes = 120 minutes + 40 minutes

                    = 2 hours + 40 minutes

Hence, the length of four episodes together is 2 hours and 40 minutes.

6 0
4 years ago
dan and cheryl paddled their canoe 40 mi in 5 hr with the current and 16 mi in 8 hr against the current. Find the speed of the c
Arada [10]
Let the speed of the current be x and the speed of the canoe in still water be y, then

y+x= \frac{40}{5} =8 \\ y-x= \frac{16}{8} =2

Adding the two equations, we have:

2y=10 \\  \\ \Rightarrow y=5

From any of the equations, we have that x = 2

Therefore, the speed of the current is 2 miles per hour while the speed of the canoe in still water is 5 miles per hour.
8 0
3 years ago
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