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xxMikexx [17]
3 years ago
15

How many solutions does this linear system have? Y=2x-5 -8-4y=-20

Mathematics
2 answers:
nataly862011 [7]3 years ago
8 0
The answer is 3.Good luck
Kobotan [32]3 years ago
6 0

Answer:

Infinite number of solutions.

Step-by-step explanation:

/ Solve equation [1] for the variable  y  

 [1]    y = 2x - 5

// Plug this in for variable  y  in equation [2]

  [2]    -4•(2x-5) + 8x = 20

  [2]    0 = 0 =>  Infinitely many solutions

Infinitely many solutions

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It takes 22 minutes for 10 people to paint 10 walls. How many minutes does it take 14 people to paint 14 walls?
4vir4ik [10]
220pm=10w  (people*minutes)

w=22pm

14w=308pm

308pm/14p=22m

So it would take 22 minutes for 14 people to paint 14 walls.
4 0
3 years ago
Read 2 more answers
Sharon wants to know the difference between the average amount she stacked and the average amount Diane stacked. Which operation
jek_recluse [69]
Sharon would subtract the amount that she stacked from Diane to figure out the difference.

Hope this helped :D
3 0
2 years ago
Podría alguien ayudarme, es para mañana.
Ludmilka [50]

Answer:..$.$!:

Step-by-step explanation:

5 0
3 years ago
20 is what percent of 52
Maslowich
The process here is finding out the smallest number's % towards the largest number.

Divide 20 by 52:
20/52 = 0.38 (estimated) | This is the % in decimal form, which is 38%.

Conclusion: 20 is 38% of 52.

{---Further Elaboration for Future Reference---}

Finding the Smallest Number:

What number is 25% of 60?

Multiply 60 by the decimal form of 25%.
60 * 0.25 = 15 | 15 is 25% of 60.

Finding the Percentage. (Like what we already did.)

30 is what percent of 150?

Divide 30 by 150.
30/150 = 0.2 | 30 is 20% of 150.

Finding the Largest Number.

12 is 30% of what number?

Divide 12 by the decimal form of 30%.
12/0.3 = 40 | 12 is 30% of 40.

I hope this helps, have a great rest of your day! ^ ^
| | Ghostgate | |
5 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (-6, -6) and has a<br> slope of - 1/3
pickupchik [31]

Answer:

The equation of the line is y = -\frac{1}{3}x - 8

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

y = mx + b

In which m is the slope and b is the y-intercept.

Slope of - 1/3

This means that m = -\frac{1}{3}

So

y = -\frac{1}{3}x + b

Through the point (-6, -6)

This means that when x = -6, y = -6. So

y = -\frac{1}{3}x + b

-6 = -\frac{1}{3}(-6) + b

b + 2 = -6

b = -8

The equation of the line is y = -\frac{1}{3}x - 8

5 0
3 years ago
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