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butalik [34]
3 years ago
6

Use substitution to solve the system of equations. How many solutions are there?

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
8 0

Answer:

a

Step-by-step explanation:

White raven [17]3 years ago
4 0
The answer is “B” no solution
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Laura's credit card balance this month is​ $449.00. Her APR​ (annual percentage​ rate) is 14.8​ %. The minimum payment due is​ $
Darya [45]

Credit Card Balance: $449.00


Interest Rate: 14.8%


Minimum Payment: $15.00



It will take Laura 3 years, and 2 months to pay off the balance. The total interest would be $114.50






Hope that helps!!!!! (Answer: 3 years and 2 months it will take Laura to pay entire balance on credit card.).


4 0
3 years ago
-4004 + 2023 – 24x2 – 2 / – 2x2 + 2x + 1?
Kamila [148]

Answer:

388.5/x

Step-by-step explanation:

multiply:

(-4004+2023-48-2)/ -4 + 2x +1

Simplify:

-2031/ -3 +2x

divide by -3

677/2x

388.5 / x

as simple as you can go

hope this helps!

5 0
3 years ago
Perform the indicated operation . Round the result to the nearest tenth and then to the nearest hundredth . Separate your answer
aleksandr82 [10.1K]

The answers are 26.9, 26.06

3 0
3 years ago
What is the solution to the system? <br><br> (___,___)
Rina8888 [55]
For the first line we have a slope of (y2-y1)/(x2-x1)

(2--2)/(1--1)=4/2=2 so we have:

y=2x+b, now solve for b with either of the points, I'll use: (1,2)

2=2(1)+b

b=0 so the first line is:

y=2x

Now the second line:

(1-10)/(4--2)=-9/6=-3/2 so far then we have:

y=-3x/2+b, using point (4,1) we solve for b...

1=-3(4)/2+b

1=-6+b

b=7 so 

y=-3x/2+7 or more neatly...

y=(-3x+14)/2

...

The solution occurs when both the x and y coordinates for each are equal, so we can say y=y, and use our two line equations...

2x=(-3x+14)/2

4x=-3x+14

7x=14

x=2, and using y=2x we see that:

y=2(2)=4, so the solution occurs at the point:

(2,4)


6 0
3 years ago
PLEASE HELP 7TH GRADE MATH
grigory [225]

Answer:

B. 224

Step-by-step explanation: 42/60 means that 70 % of people ride the school bus. So 70 percent of 320 is 224. Hope this helps

7 0
3 years ago
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