4 years ago

HELP AGAIN PLEASE, totally lost

1 answer:

5 0

Ha this is from apex learning! I already took that test! The answer is: AA since congruent angles don't make congruent triangles. HH doesn't work since there isnt 2 H. Everything else works! BTW just saying, this is cheating and you may lose points.

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Each cell divides to form two new cells every 30 minutes. If a culture starts out with exactly 100 bacterial cells how many bact

adelina 88 [10]

So, after 30 mins we have:

100*2

After 1 hour: 100*2*2, etc

the number of 2s will be the number of time they will divide: 3 hrs divided by 0.5 hour: this is six times.

So the final number of cells will be:

$100* 2^{6} =100 *2*2*2*2*2*2= 100 *8*8=100 *64=6400$

So after 3 hrs there will be 6400 cells there!

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3 years ago

Find the slope between two points : ( - 5,5 ) and ( 3, - 5 )

vampirchik [111]

(-5,5)(3,-5)
slope = (y2 - y1) / (x2 - x1)
slope = (-5-5) / (3 - (-5)
slope = -10/(3 + 5)
slope = -10/8 = - 5/4 <== ur slope

8 0

4 years ago

Read 2 more answers

What is the slope? Please help me out, thank you.

ivolga24 [154]

The answer is C.

Use the slope formula:
m=y2-y1/x2-x1
m= -5-1/0-3
m = -6/-3
m = 2

7 0