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kodGreya [7K]
3 years ago
15

What are the solutions to the system of equations?

Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0

Answer:

The answer is the last choice

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Norton can mow the large lawn in about 5 hours. When he works with
astra-53 [7]

Answer:

7.5 hours

Step-by-step explanation:

The key here is to find out how much can be done in the same amount ot time

the least common multiple of 5 hrs and 3 hrs is 15hrs

In 15 hours:

- At 5 hours per lawn Norton could mow 15/5 = 3 lawns

- At 3 hours per lawn together thay could mow 15/3 = 5 lawns

In 15 hours Jesse would mow 5 - 3 = 2 lawns

15 hours/ 2 lawns = 7.5 hours per lawn

7.5 hours

--------------------

Here's the math

1 lawn/5hrs + x = 1 lawn / 3hrs

1/5 + x = 1/3

Subtract 1/5 from both sides

x = 1/3 - 1/5

x = 5/15 - 3/15

x = 2/15

x = 2lawns/15 hrs

15hrs/2lawns = 7.5 hrs per lawn

7.5 hours

5 0
3 years ago
What Is the line of reflection between pentagons PQRST and P'Q'R'S'T' ?
Sergeu [11.5K]

Answer:

A

Step-by-step explanation:

From the diagram:

  • P(-4,6)→P'(4,6);
  • Q(-7,4)→Q'(7,4);
  • R(-6,1)→R'(6,1);
  • S(-2,1)→S'(2,1);
  • T(-1,4)→T'(1,4).

The general rule of this reflection is

(x,y)→(-x,y)

and this is reflection across the y-axis. The y-axis has the equation x=0.

7 0
3 years ago
Which option best shows X &gt; -16?? <br><br> A<br><br> B<br><br> C<br><br> D
Nikolay [14]

Answer:

The answer is C

7 0
3 years ago
Why do you think we have more protests in modern times than in earlier time periods?
Wittaler [7]
I think there are more protests in modern day times rather then in the earlier time periods, because people are now more aware of their rights, and how they influence the way their country is run. Also, nowadays most countries are democratic, meaning that everyone can express their opinions and people protest as a way of expressing their opinions about something.
4 0
3 years ago
Help me please?!!!!!!!!!
Basile [38]
I think it’s the last one but I’m not sure
4 0
3 years ago
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