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Brums [2.3K]
4 years ago
5

Consider the following system of equations 3x+y=6 3x-y=6

Mathematics
1 answer:
marta [7]4 years ago
4 0
3x+y=6
3x-y=6
Cancel out the Y and add the terms
6x=12
X=2
Plug 2 into one of the original equations to find Y
3(6)+y=6
18+y=6
Y=-12
Write as ordered pair: (6,-12)
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A cafe has 6 indoor tables and 2 outdoor tables. Each indoor table has 8 chairs, and each outdoor table has 5 chairs. How many c
Makovka662 [10]
Indoor
8 chairs x 6 (for each table) =48 indoor chairs
Outdoor
5 chairs x 2 (for each table) =10 outdoor chairs
Final Answer
48 indoor chairs+10 outdoor chairs=58 chairs
58 chairs in total
8 0
2 years ago
China generated 237.188 billion kilowatt-hours (kWh) of wind energy in 2018. The population in China in 2018 was 1.379 billion.
maw [93]

Answer:

172 kilowatts.

Step-by-step explanation:

Energy : 237.188 billion = 237,188,000,000 = 2.37188 × 10¹¹

People : 1.379 billion = 1,379,000,000 = 1.379 × 10⁹

Divide both values : 2.37188 ÷ 1.379 = 1.72; 10¹¹ ÷ 10⁹ = 10² ⇒ 1.72 × 10² or 172 kilowatts.

5 0
1 year ago
the median of the values in a data set is y. if 48 were subtracted from each of the values in the data set what would be the med
Nataliya [291]

 Answer: Y-48

<span>If the median of the values in the data set is Y, it means that Y is the value in the middle of the data set. If 48 will be deducted from each of all values in the data set including Y, then the median of the resulting value will be Y-48. </span>

3 0
3 years ago
Read 2 more answers
Help pls will give brainlist make sure to show work if needed
weqwewe [10]

Answer:

11

Step-by-step explanation:

Just make your dot plot so that the amount of dots corresponding to the number is the amount of times the number shows in the box. :)

4 0
3 years ago
Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth. 5x+2y=7
Rashid [163]
5x + 2y = 7....multiply by -3
-2x + 6y = 9
----------------
-15x - 6y = -21 (result of multiplying by -3)
-2x + 6y = 9
---------------add
-17x = - 12
x = 12/17 or 0.7

5x + 2y = 7
5(12/17) + 2y = 7
60/17 + 2y = 7
2y = 7 - 60/17
2y = 119/17 - 60/17
2y = 59/17
y = 59/17 * 1/2
y = 59/34 or 1.7 when rounded <====
4 0
3 years ago
Read 2 more answers
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