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3 years ago

8

Which expression is equivalent to

1 answer:

kakasveta [241]3 years ago

4 0

3rd one (see attached)

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How to rewrite√-49 -4 in complex number notation

stira [4]

Sqrt(49)*sqrt (-1) -4 = 7i-4

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3 years ago

At the beginning of an experiment, the number of bacteria in a colony was counted at time t=O. The number of bacteria in the col

yan [13]

Answer:

1092

Step-by-step explanation:

We have been given that the number of bacteria in the colony t minutes after the initial count modeled by the function $B(t)=9(3)^t$ . We are asked to find the average rate of change in the number of bacteria over the first 6 minutes of the experiment.

We will use average rate of change formula to solve our given problem.

$\text{Average rate of change}=\frac{f(b)-f(a)}{b-a}$

Upon substituting our given values, we will get:

$\text{Average rate of change}=\frac{b(6)-b(0)}{6-0}$

$\text{Average rate of change}=\frac{9(3)^6-9(3)^0}{6}$

$\text{Average rate of change}=\frac{9(729)-9(1)}{6}$

$\text{Average rate of change}=\frac{6561-9}{6}$

$\text{Average rate of change}=\frac{6552}{6}$

$\text{Average rate of change}=1092$

Therefore, the average rate of change in the number of bacteria is 1092 bacteria per minute.

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3 years ago

Which function listed below represents a greater rate of change, and what is the slope of the function?

Flauer [41]

Answer:

B

Step-by-step explanation:

i cant explan for this quasion but i am not understand this quation

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3 years ago

What is the interest on RS. 1000 at 10 p.c.p.a for 1 year.

Delicious77 [7]

Answer:

Interest wil be 10% of 100 which is 10

So,

interest will be Rs.10

and total amount to be payed will be 100+10 which is Rs.110

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The park i 45 feet long . How long is park yard ? (1yard=3feet)

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135 feet is the length of the yard

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