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lana66690 [7]
3 years ago
7

What's the value of 3.872

Mathematics
1 answer:
erastova [34]3 years ago
5 0
3.872 is equal to 3872/1000, or 484/125.
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Solve |3k-2|=2|k+12|
Stella [2.4K]

Answer:

k = 26   or   k = -\dfrac{22}{5}

Step-by-step explanation:

|3k - 2| = 2|k + 12|

\dfrac{|3k - 2|}{|k + 12|} = 2

|\dfrac{3k - 2}{k + 12}| = 2

3k - 2 = 2(k + 12)   or   3k - 2 = -2(k + 12)

3k - 2 = 2k + 24   or   3k - 2 = -2k - 24

k = 26   or   5k = -22

k = 26   or   k = -\dfrac{22}{5}

7 0
3 years ago
Asafa runs 0.75 kilometers in 6 minutes. Jemaine runs 3,000 meters in half an hour. Who ran at a faster rate?
Lorico [155]

Answer:

  • Asafa ran at a faster rate

Step-by-step explanation:

<u>Asafa's speed:</u>

  • 0.75 km/ 6 min = 750 m/ 6 min = 125 m/min

<u>Jemaine's speed:</u>

  • 3000 m / 30 min = 100 m/min

Asafa ran at faster rate as 125 m/min > 100 m/min

5 0
3 years ago
Find the slope of the line. (Please explain if you can, and answer in an integer/fraction.)
Setler [38]

Answer:

-2

Step-by-step explanation:

We can find the slope of a line by using two points

(-2,1) and (2,-7)

The slope is given by

m = (y2-y1)/(x2-x1)

   = (-7-1)/(2- -2)

   = (-8)/(2+2)

   = -8/4

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4 0
3 years ago
Need help please ASAP
Ostrovityanka [42]

Answer:

D

Step-by-step explanation:

You have 4 chairs originally, added 2 and if you separate the tables you would get T=whatever the number is. i think

4 0
2 years ago
On a piece of paper graph y=-2x-4
Snezhnost [94]

Answer:

Use a graphing calc or desmos to help guide you.

Step-by-step explanation:

3 0
3 years ago
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