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Oduvanchick [21]
4 years ago
5

Which ordered pairs are solutions to the equation 3x - 2y = 12 ? (hint: plug in the x and y values into the equation to see if i

t makes a true statement.) Group of answer choices (1,-4.5) (5,-1.5) (2,-3) (0,6) (-2,3) (-2,-9)
Mathematics
2 answers:
Mumz [18]4 years ago
8 0

Answer:

(-2,-9) is the answer

3x - 2y = 12

3(-2) - 2(-9) = 12

-6+18 = 12

12 = 12

Lesechka [4]4 years ago
3 0

Answer:

1,-4.5

Step-by-step explanation:

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2 Solve the equation for t. Show your work.<br> 5(2t - 3) – 7.5t = 0.5(12 – t)<br> PLEASEEEE HELP ME
dsp73

Answer:

t = 7

Step-by-step explanation:

5(2t - 3) – 7.5t = 0.5(12 – t)

5*2t - 3*5 - 7.5t = 12*0.5 - t *0.5

10t - 15 - 7.5t = 6 - 0.5t           {Now, combine like terms}

10t - 7.5t - 15 = 6 - 0.5t

         2.5t -15 = 6 - 0.5t      {Add 15 to both sides}    

         2.5t      = 6 - 0.5t + 15

              2.5t = 21 - 0.5t       { Add 0.5t to both sides}

    2.5t + 0.5t = 21  

                 3t = 21     {Divide both sides by 3}

                   t = 21/3

t = 7

6 0
3 years ago
the kline family went on vacation last year and paid $199 a night for the hotel room. This year, the price has increased by 5% .
dangina [55]

Answer: $208.95

Step-by-step explanation: $199 x .05= 9.95 + $199= $208.95

8 0
3 years ago
What is the approximate circumference
shusha [124]

Answer:

43.3cm

Step-by-step explanation:

Circumference = PI * diameter.

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Circumference = 43.3cm

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I need help. Suppose angle ABC equals 110. What is angle DBC? Would it be 70?
stira [4]
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