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Luba_88 [7]
3 years ago
9

12d^2 + 3dx + x - (-4d^2 + 2dx - 8x)

Mathematics
1 answer:
laiz [17]3 years ago
8 0

Answer:

dx+9x+16d^2 dont know it it helps any but i tried

Step-by-step explanation:

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It took Cedric 42 minutes to jog 12 laps. At this rate how many minutes did it take to jog each lap
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Express the following rate as a unit rate. If necessary, round your answer to the nearest tenth. 63 quarts for 56 seconds
gavmur [86]

Answer:

  1.1 qt/s

Step-by-step explanation:

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8 0
2 years ago
Taryn conducted a science experiment on saturation. She added sugar to sugar water solution at different intervals. The graph sh
dusya [7]
Equation of a line:
y=mx+c

m = gradient: The difference between two y points and two x points.
m= \frac{\Delta y}{\Delta x}

c = y-intercept: Where the line crosses the y-axis (x=0)

You have:
y=\textunderscore\textunderscore \ x + \textunderscore
so you are missing the m and the c.

To calculate m find two y coordinates -you have (12, <u>7</u>) and (0, <u>1</u>)- and subtract them. Then divide this by the subtracted values of the x coordinates -you have (<u>12</u>, 7) and (<u>0</u>, 1)- This gives:

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m= \frac{6}{12}
m=0.5

To calculate the c, you just see where the line crosses the y-axis. Because you have the point (0, 1), you know that when x=0, y=1. Because x=0 is on the y-axis, you can tell that the line passes through y=1. This makes your c = 1:

c=1

When you plug these values into the equation you get your answer:

y=0.5x+1
6 0
3 years ago
Tricio mokes $9.00 an hour and works 40 hours a week. How much money does she earn in a year
nadezda [96]

Answer:

18,771 $

Step-by-step explanation:

there are 52.1429 weeks in one year with 40 hours of work each week and then 9 dollars made an hour this equals to 18,771 $

3 0
3 years ago
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