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mr_godi [17]
3 years ago
12

Solve the system of equations

Mathematics
2 answers:
Viefleur [7K]3 years ago
7 0

Answer:

Step-by-step explanation:

prisoha [69]3 years ago
4 0

Answer:

x=−6,y=24

x=2,y=−8

Step-by-step explanation:

Graph if needed:

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Solve the system by the addition method <br> 4x=3y-8<br> -16x+4y=32
butalik [34]
4x = 3y - 8
 4         4
  x = ³/₄y - 2

                  -16x + 4y = 32
       -16(³/₄y - 2) + 4y = 32
-16(³/₄y) + 16(2) + 4y = 32
          -12y + 32 + 4y = 32
          -12y + 4y + 32 = 32
                    -8y + 32 = 32
                           - 32  - 32
                            -8y = 0
                             -8    -8
                               y = 0
x = ³/₄y - 2
x = ³/₄(0) - 2
x = 0 - 2
x = -2

(x, y) = (-2, 0)
6 0
3 years ago
olga worked 37.5 hours last week qt the library and earned $12.50 an hour. if she gets a $2.50 per hour raise, how many hours wi
Airida [17]
(37.5)(12.5)=x(15)
468.75=15x
x=31.25

she will have to work 31.25 hours in order to earn the same amount of money
3 0
3 years ago
I need help on number 16 please and thank you ! For brainlest answer
marusya05 [52]
M5 is the same as m1 so it's 75°
6 0
4 years ago
Need help asap isnt hard i just dont understand
qwelly [4]

Answer:

The answer is b. 35.5

Step-by-step explanation:

angle bisector always bisects an angle in to half amd in the question you have been told to tell the value of one half of the angle abc so the half of 71 would be 35.5

5 0
3 years ago
Helen rented a kayak at the lake. There is a charge of $10 as an initial fee and then $2 an hour for every hour that she uses th
sasho [114]

Answer:

She kayaked for 6 hours.

Step-by-step explanation:

If $10 is the initial fee, subtract $22 - $10 = $12.

If it charges $2 per hour, divide $12 by $2 which equals 6 hours.

4 0
3 years ago
Read 2 more answers
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