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Brrunno [24]
3 years ago
14

How to compare the two numbers

Mathematics
1 answer:
allochka39001 [22]3 years ago
5 0

a.}

b.{

i cant see the rest of c

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Solve the system of equations using substitution or elimination. Show all work for credit.
Tomtit [17]
Using substitution:
first you have to express one variable in terms of the other, in this we can express y in terms of x:
y =  \frac{ -  \frac{1}{2} x + 2}{3}  \\ y =  - x + 9

Since both expressions are equal to y, you have to equal both expressions like this:
\frac{  - \frac{ 1}{2}x + 2 }{3}  =  - x + 9
Now you can solve the equation:
-  \frac{1}{2} x + 2 = 3( - x + 9) \\   - \frac{ 1}{2}x  + 2 =  - 3x + 27 \\  \\  -  \frac{1}{2} x + 3x = 27 - 2 \\   \frac{5}{2} x = 25 \\ x =  \frac{(25)(2)}{5}  \\ x = 10
Knowing x=10, you can use any of the expressions we found before to find y. In this case I'm going to use y= -x+9 because it's simpler but boy should give you the same result

y =  - (10) + 9 \\ y =  - 1
So, the answer is x=10 and y=-1
4 0
3 years ago
From among the 300 largest cities in the United States, the FleeceU Auto Insurance Company identified the 10 safest and 10 least
Anastaziya [24]

Answer:

7

Step-by-step explanation:

I just want points

8 0
2 years ago
Sally wants to calculate how fast her little brother can run. What information does she need to know?​
White raven [17]
Speed,distance i’m not 100% sure tho
6 0
3 years ago
Read 2 more answers
What is the answer to 9 over 15= 3 over 5
Ksenya-84 [330]

Answer:

2 25/100

Step-by-step explanation:

9 times 15 divided by 3 times 5

5 0
3 years ago
Two numbers total 63 and have a difference of 31. Find the two numbers
Anastaziya [24]

Answer: 47 and 16

Step-by-step explanation:

- Make Two Equations

x + y = 63

x - y = 31

- Set one of the equations equal to one of the variables

x + y = 63

x = 31 + y

- Substitute the equation back into the other one

(31 + y) + y = 63

31 + 2y = 63

2y = 32

y = 16

- Substitute the answer back into the equation

x + y = 63

x + 16 = 63

x = 47

5 0
3 years ago
Read 2 more answers
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