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Digiron [165]
2 years ago
8

100 POINTS PLEASE HELP FOR ALL QUESTIONS WILL REPORT IF YOU JUST TAKE THE POINTS AND NOT ANSWER THE QUESTION

Mathematics
2 answers:
Anit [1.1K]2 years ago
5 0

Answer:8:5 or 160%

Step-by-step explanation:

Just use the ratio 1:1.6 and multiply.

Anika [276]2 years ago
3 0

Answer:

100 POINTS PLEASE HELP FOR ALL QUESTIONS WILL REPORT IF YOU JUST TAKE THE POINTS AND NOT ANSWER THE QUESTION

Step-by-step explanation:

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What is the solution for the system of equations? Use the substitution method to solve. 2x+y=20
slava [35]

2x + y = 20

-5y = -6x + 12


To use the substitution method, first isolate one of the variables in one of the equations.

Isolate the "y" in the first equation (because it is the easiest to isolate), and substitute it into the second equation:

2x + y = 20     Subtract 2x on both sides

y = 20 - 2x


-5y = -6x + 12   (since y = 20 - 2x, you can substitute 20 - 2x into y)

-5(20 - 2x) = -6x + 12       Multiply -5 into (20 - 2x)

-100 + 10x = -6x +12      Add 100 on both sides

10x = -6x + 112        Add 6x on both sides

16x = 112           Divide 16 on both sides

x = 7


Now that you have found x, you can substitute 7 into x for one of the original equations:

2x + y = 20

2(7) + y = 20

14 + y = 20    Subtract 14 on both sides

y = 6


-5y = -6x + 12

-5y = -6(7) + 12

-5y = -42 + 12

-5y = -30       Divide -5 on both sides

y = 6


x = 7, y = 6

5 0
2 years ago
Which of the following is a true statement about the equation y= -7/8x+10
-BARSIC- [3]
First of all we can rule out that the slope is 10. The coefficient before the x term is not 10 so the answer is not a.

Following on what I said for option a, option b is correct as the coefficient before the x term is -7/8. Therefore the answer is B.

The answer is not C as when x = 0, y is not 0. This means the line does not pass through the origin (0,0)

Option D is not true aswell. When x = 1, y= 9.125. When x= 2, y= 8.25. When x=3, y= 7.375. X is increasing whereas y is decreasing. Therefore option D is ruled out.

The answer is option B.

I hope this has helped you.

Please mark as brainliest if you are happy with this explanation. Have a great day!
5 0
3 years ago
Ashley earns $5 per hour babysitting. How much will she earn in 3 hours?
fgiga [73]

Ashley will get $15 because it like 3X5=15

7 0
2 years ago
Can you please help with both? :)​
QveST [7]

Answer: 1. 12 2. 120

Step-by-step explanation:

1. so basically 9/6=18/x

since they are similir the'd have the same ratio

sooo you just solve for x (multiply 6 by 18, and then divide by 9) and you get 12

2. same thing except you put 6/10=12/x, and solve it (multiply 10 by 12 and divide by 6) and u get 20

dats how i would do it but there are other ways too im sure :)

hope this helps

8 0
2 years ago
Find the midpoint of a and b when a has coordinates (-5,3) and b has coordinates (3,-1)
azamat
To find the x coordinate of the midpoint, add the x coordinates and divide by 2
(-5+3)/2 = -2/2 = -1
To find the y coordinate of the midpoint, add the y coordinates and divide by 2
(3+-1)/2 = 2/2 = 1
(-1,1)
6 0
2 years ago
Read 2 more answers
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