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zmey [24]
3 years ago
11

Homework, pls help ( 10 points )

Mathematics
1 answer:
NeTakaya3 years ago
4 0
4(8x + 3y)

= 32x + 12y
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What is X. PLEASE HELP I GIVE BRAINLEIEST
Mademuasel [1]

Answer:

x=60

Step-by-step explanation:

Hope this helped.

8 0
3 years ago
Solve by the elimination method
Usimov [2.4K]

There is one solution. The solution of the system is (9,-5)

Option A is correct.

Step-by-step explanation:

We need to solve the system of equations by elimination method

6x= 64+2y\\2x= -7-5y

Rearranging the equations:

6x-2y=64\,\,\,eq(1)\\2x+5y=-7\,\,\,eq(2)

Eliminating y to find value of x:

Multiply eq(1) by 5 and eq(2) by 2 and add both equations:

30x-10y=320\,\,\,\\4x+10y=-14\\--------\\34x=306\\x=\frac{306}{34}\\ x=9

So, value of x= 9

Eliminating x to find value of y:

Multiply eq(1) by 2 and eq(2) by 6 and subtract both equations:

12x-4y=128\\12x+30y=-42\\-\,\,\,\,-\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,+\\---------\\-34y=170\\y=\frac{170}{-34}\\ y=-5

So, value of y = -5

There is one solution. The solution of the system is (9,-5)

Option A is correct.

Keywords: Solving system of equations

Learn more about Solving system of equations at:

  • brainly.com/question/13168205
  • brainly.com/question/2115716
  • brainly.com/question/3739260

#learnwithBrainly

5 0
3 years ago
Mrs. Lawson made 18 sandwiches for the trip. She planned that each person would eat 1/2 a sandwich. How many people can she feed
Aleks [24]

Answer:36

Step-by-step explanation:

18×2= 36 because if each got halfed, each half would equal one sandwich so there would be 36 sandwiches

8 0
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you bought a car for $24,500. you got a five-year loan for the car. You paid $9187.50 and simple interest. What was your interes
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5.3 % interest rate...$$$
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3. Tamu has 17 cards. Richard gives her t cards. Tamu now has at least 38 cards. Which best describes Tamu’s cards? *
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I believe the answer is B
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3 years ago
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