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Georgia [21]
3 years ago
8

1. Emma used elimination to solve this system of linear equations. 3x + 5y = -17 2x + 4y = 6 Which equation did Emma have after

she climinated x? A. 2y =-98 B. 22y = -16 C.-22y = 16 D. 2y = 52​
Mathematics
2 answers:
Gwar [14]3 years ago
6 0

Answer:

2y=52

Step-by-step explanation:

1st equation *(-3) and 2nd *(2)

-6x-10y=34

6x+12y=18

eliminate -6x and 6x

add both equations

2y=52

Evgesh-ka [11]3 years ago
3 0

Answer:

2y=52

1st equation *(-3) and 2nd *(2)

-6x-10y=34

6x+12y=18

eliminate -6x and 6x

add both equations

2y=52

Step-by-step explanation:

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Rob buy 6 tickets to the basketball game he pays $8.50 for parking. His total cost is $40.54. What is the cost of each ticket?
Natalija [7]
The cost of all the tickets is 32.04

Subtract $8.50 from $40.54 to leave you with the ticket costs. 

Each individual ticket would be 5.34. You get this because $32.04 divided by six tickets is the cost of one. 

4 0
3 years ago
If the diameter of a circle is 9 cm, then its circumference is 56.52 cm.<br> True or False
Georgia [21]

Answer: true

Step-by-step explanation: first you divide its circumference by pi, which you then get 17.990. Round it to 18. Then use the diameter (18) and divide it by 2. You get 9.

6 0
2 years ago
Shanna attends school for 1 week longer than 3/4 of yhe year. How many weeks in a year does shanna attend school
irga5000 [103]
3/4 of 52 is 39 + 1 is 40.

So the answer is 40 weeks.
5 0
3 years ago
What is 4x+2y=16 in function form
zaharov [31]

Answer:

f(x)=-2x+8

Step-by-step explanation:

we have

4x+2y=16

Solve for y

That means ----> isolate the variable y

Subtract 4x both sides

2y=-4x+16

Divide by 2 both sides

y=-2x+8

Convert in function form

Let

f(x)=y

so

f(x)=-2x+8

6 0
2 years ago
One month, ruby worked 6 more hours than Issac, and Svetlana worked 4 times as many hours as Ruby. Together they worked 126 hour
garik1379 [7]
Ruby's hours will represent x+6
Svetlana's hours will represent 4(x+6)
Issac will represent x.

The equation would read:
x+(x+6)+(4(x+6))=126
x+x+6+4x+24=126
6x+30=126
Subtract 30 from both sides.
6x=96
Divide 6 on both sides to get x by itself.
x=16

So:
Issac worked 16 hours
Ruby worked 22 hours
Svetlana worked 88 hours.

To check your answer, plug in the values:
16+22+88=126
126=126

Hope this helps.
8 0
3 years ago
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