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belka [17]
3 years ago
11

What is the solution to this system of linear equations y-x=4 and y+2x=1

Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0
Good luck.............................

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Solve 7 + x - 15 = -2 2/3 Please help!!! show your work please!
Margaret [11]
Firstly let’s make the -2 2/3 easier

-2*2/3= -4/3

Then we will move all the numbers to one side and keep the x on the other side. Remember when u move a negative from one side of the equal sign it changes to positive and if u move a positive it changes to a negative.

X= -4/3+15-7
=-4/3+8
=-4/3+24/3 (To add fractions the denominator has to be the same, and 24/3 is the same as 8)

X=20/3

Hopefully this helps
3 0
3 years ago
The value of your father’s car when bought was $30,000. If it loses 10% of its value every year, how long until the vehicle is o
Anvisha [2.4K]

Answer:

6.7

Step-by-step explanation:

10% of 30000

10/100 x 30000

0.10 x 30000

=3000

In order to find how long you have to divide 20k with 3k

20000/3000 = 6.66666667

Round it up and you get 6.7

6 0
3 years ago
Change 3/2 to a mixed number
Mariulka [41]
Okay first you have to divide 
2 goes into 3
3/2
2 fits into 3 once
1 and the left over is 1 so
1 1/2

4 0
3 years ago
Pls help meeeee :))))
valentinak56 [21]

Answer:

31.4 inches

Step-by-step explanation:

:))

6 0
3 years ago
Read 2 more answers
Find the amount in a continuously compiunded account for the following condition. Principal, $4000; Annual interest rate, 5.1%;
Ket [755]
A = P*e^(rt)

Here,

A = $4000*e^(0.051*2) = $4000*e^1.02 = $4000(2.773) = $11092.78 

Note:  This seems very high to me.
7 0
3 years ago
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