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Stels [109]
3 years ago
14

Line AB contains point A (8,-4) and B (1-5), The slope of line AB is

Mathematics
2 answers:
oee [108]3 years ago
7 0
Slope = change in y / change in x
m = (-5 - -4) / (1 - 8)
m = -1/-7 = 1/7
The answer is C.
Sholpan [36]3 years ago
6 0
M = - 4 + 5 / 8 - 1
m = 1/7
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A scientist running an experiment starts with 100 bacteria cells. These bacteria double their population every 15 hours. Find ho
emmasim [6.3K]

Answer

It will take (t) = 24 hours to reach 300 .

Step by step explanation

It doubles every 15 hours.  initial bacteria = 100

We need to find how long it take for the bacteria cells to increase to 300.

300 = 100(2)^t/15

300/100 = 2^t/15

3 = 2^t/5

Taking "ln" both sides, we get

ln(3) = t/15 ln(2)

t/15 = ln(3)/ln(2)

t/15 = 1.585

t = 1.585 * 15

t = 23.78 hours

t = 24 hours to nearest whole hours.

Thank you.


6 0
3 years ago
Please help 10 points
WARRIOR [948]

Answer:

FG = 15

Step-by-step explanation:

Note that

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6 + FG = 21 ( subtract 6 from both sides )

FG = 21 - 6 = 15

5 0
3 years ago
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16y = 19 A. y = 4 B. y=2/3 C. y=1/4 D. y = 38
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Answer:

y=19/16 or y=1.1875

Step-by-step explanation:

8 0
3 years ago
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Answers please, Need help...
alexandr402 [8]
Use a calculator and it gives you the answer right away
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3 years ago
Answer worth 20 points!
Alinara [238K]

Answer: medium 18. Range 6 ,25th percentile 17 , 75th percentile 20 ,IQR 3

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3 years ago
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