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Paraphin [41]
3 years ago
6

An average drop of blood contains about 1.6 x 10^4 white blood cells. A rare drop of blood contains about 5 x 10^4 white blood c

ells. What is the difference between the number of white blood cells in a rare drop of blood and the number of white blood cells in an average drop of blood?​
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
6 0

Answer:

3.4 x 10^4

Step-by-step explanation:

1.6 x 10^4 - 5 x 10^4 = -3.4 x 10^4

5 x 10^4 - 1.6 x 10^4 = 3.4 x 10^4

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3 years ago
Chelsey puts twelve colored pieces of chocolate candy in a bag. Three pieces are green,
nydimaria [60]

Answer:

A) 3/110  

B) 3/110  

C) 3/110  

D) The order doesn’t matter as long as you are drawing out the same three colors.  The probability doesn’t change.

Step-by-step explanation:  

A) 3/12x3/11x4/10=36/1320= 9/330 = 3/110  

B) 3/12x4/11x3/10=36/1320= 9/330 = 3/110  

C) 4/12x3/11x3/10=36/1320 = 9/330 = 3/110  

D) The order doesn’t matter as long as you are drawing out the same three colors.  The probability doesn’t change.

I hope this helps! Have a good day (PLZ GIVE BRAINLIEST)

8 0
3 years ago
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jeyben [28]
Answer:
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2 years ago
Part A: You have $0.80 in your backpack in dimes and quarters. Let x represent the number of dimes and y represent the number of
Alik [6]
Part A: 0.10x + 0.25 = 0.80 (dimes are 10 cents or 0.10 dollars, quarters are 0.25 dollars)
Part B: Plug in what you DO know and solve the one you DON’T:
0.10x + 0.25(2) = 0.80
0.10x + 0.50 = 0.80. Subtract 0.50 from both sides:
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x = 3
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8 0
3 years ago
What is the cost of 4 1/5 yards of fabric at $7.95 per yard?
Daniel [21]

Answer:

the total cost for 4 1/5 yds of fabric would be $33.39.

Step-by-step explanation:

To answer this, multiply the quantity purchased (4.2 yd) by the unit cost ($7.95/yd):

(4.2 yd)($7.95/yd) = $33.39

8 0
3 years ago
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