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harina [27]
3 years ago
10

I need help with this

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

Step-by-step explanation:

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7x + 2y=24<br> 8x + 2y=30
Bumek [7]

Answer:

x=6 y=-9

Step-by-step explanation:

  • Layer the equations on each other as you would in a subtraction problem:

               8x + 2y=30

               7x + 2y=24  

  • Subtract the equation just like you would normally. This should leave 1x=6 or x=6.
  • Now that you have your x value, plug it in as x for one of the equations. For the 2nd equation, this leaves:

               42+2y=24 then

               2y=-18 then

               y=-9

  • Double check your y value by plugging x=6 into the first equation. This should also leave y=-9.

3 0
3 years ago
Suppose that for a typical FedEx package delivery, the cost of the shipment is a function of the weight of the package measured
Maksim231197 [3]

Answer:

The answer is "Option 5"

Step-by-step explanation:

Please find the complete question in the attached file.

Throughout the above output the regression equation is:

Delivery cost =0.469\times weight +9.617

4 0
3 years ago
There are 6 girls and 4 boys in debate club at colmubis school. The Principal randomly selects one student from the debate club
Marysya12 [62]

Answer:

What are you trying to ask?

Step-by-step explanation:

6 0
3 years ago
Eden bought a new phone. The phone's retail price is $199. In addition, she paid sales tax of 8% of the retail price. A few days
natka813 [3]

Answer:

164.92

Step-by-step explanation:

6 0
3 years ago
Wesley is raising monarch caterpillars for a school science project. Every day, he feeds 7 fresh milkweed leaves to each caterpi
lord [1]

Answer: D)7n=42

Step-by-step explanation: Because when you divide 7 on both side you are left with n=6 and that is the number of caterpillars he can feed in 1 day with 42 leaves

5 0
3 years ago
Read 2 more answers
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