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JulijaS [17]
3 years ago
14

At 10:05 a.m., there are 2 microscopic bacteria cells in the bottle. How many cells will be in the bottle at 10:15 a.m.? A. 2 B.

4 C. 8 D. 16
Mathematics
2 answers:
vlada-n [284]3 years ago
8 0

Answer:

At 10.15 there will be 8 cells

Step-by-step explanation:

svet-max [94.6K]3 years ago
6 0

Answer: C. 8

At 10:15 a.m., there are 8 cells in the bottle.

Step-by-step explanation:

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A line passes through the point (-2,2) and is parallel to the line of y=1/2(x-5/2) l. What is the equation of the line passing t
grin007 [14]
C is your answer. 

It contains the proper points and form. A is not in point-slope form and B has the incorrect slope. 
3 0
3 years ago
What is the slope of the line that contains the pionts (2,3) (2,-4)​
Free_Kalibri [48]

Answer:

There is no slope

Step-by-step explanation:

If the x-coordinates are the same, then that means there's no slope and is a straight vertical line.

6 0
2 years ago
Use the three steps to solve the problem. Joe is 10 years older than James. In 8 years, twice Joe's age will equal three times J
GarryVolchara [31]
<span>x = Joe's age  and </span><span>y = James's age 
</span><span>Joe is 10 years older than James - equation - x = y + 10 
</span><span>In 8 years twice Joe's age will equal three times James's age - equation -
2(x+8) = 3(y+8) 
</span>
<span>2(x+8) = 3(y+8) </span>
<span>2(y + 10 +8) = 3(y+8) { substitute y + 10 for x </span>
<span>2(y + 18) = 3(y + 8) </span>
<span>2y + 36 = 3y + 24 </span>
<span>12 = y </span>

<span>Joe is 22 and James is 12.</span>
7 0
3 years ago
Which expressions correctly shows the Substitution property?
Naya [18.7K]

The correct answers are:

13 + 3 ÷ 3 = 1(13 + 3 ÷ 3)

13 + 3 ÷ 3 = 13 + 1

13 + 3 ÷ 3 = 13 + 3 ÷ 3 + 0

Let's look into them one by one:

13 + 3 ÷ 3 = 1(13 + 3 ÷ 3)

As anything multiplied by one will not have changes in value, this is correct.

13 + 3 ÷ 3 = 13+(3÷3) = 13 + 1

As 3÷3 is 1,this is also correct.

13 + 3 ÷ 3 = 13 + 3 ÷ 3 + 0

As anything plus zero will not have a chnage in value, this is correct.

The incorrect option:

13 + 3 ÷ 3 ≠ 16 ÷ 3

Unless there are brackets indicating addition has to be done first, devision comes before addition hence this is not correct.

Hope it helps!

4 0
3 years ago
Given below is a bivariate distribution for the random variables x and y. f(x, y) x y 0.2 50 80 0.3 30 50 0.5 40 60 (a) Compute
ch4aika [34]

Complete data:

f(x,y) x Y

0.2 50 80

0.3 30 50

0.5 40 60

Answer:

Expected values for x and Y

E(x) = 39, E(Y) = 61

Variance for x and Y

E(x^2) = 1570

E(Y^2) =3830

Step-by-step explanation:

The detailed explanations are contained in the file attached

4 0
3 years ago
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