Find the mean of this data set: {– 78, -12, 3, – 44}
1 answer:
Answer:
<u>Answer</u><u>:</u><u> </u><u>A</u><u>.</u><u> </u><u>-</u><u>3</u><u>2</u><u>.</u><u>7</u><u>5</u>

• f(n) are the values of the set
• n is the number of items

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8.605
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Answer:
For every 1 gallon of Orange Juice the factory makes 6 gallons of Apple Juice so id say the ratio is 1:6
Step-by-step explanation:
B has two pre-images of -7 so it is not a function
Answer: 15 miles per gallon
Step-by-step explanation:
135 divided by 9
Answer:
x= 9
y=-12.5
Step-by-step explanation:
3x+2y = 2×2
2x+2y =-7×3
6x+4y =4
- 6×+6y =-21
-2y =25
y=-12,5
2x+2(-12,5)= -7
2x+-25= -7
2x= -7+25
2x/2=18/2
x= 9