MATHEMATICS HIGH SCHOOL

A colony of bacteria is growing exponentially according to the function below, where t is in hours. What will the approximate number of bacteria be after 6 hours?

Answers

Answer 1

Answer: the approximate number of bacteria be after 6 hours will be 400
B(t) = (4)(e^(0.8t))

Answer 2

Answer:

486

Step-by-step explanation:

Just answered it

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The Martinez family walked three/five of a mile in three/eight of an hour. What equation can be used to calculate their unit rate in miles per hour?

Answers

We have an equation: (3/5 mile)/ (3/8 hour)= ?
⇒ ?= 8/5 miles/hour
⇒ ?= 1 3/5 miles/hour.

The final answer is 1 3/5 miles/hr~

convert to hour
divide both sides by three to get
1/5 of a mile in 1/8 of an hour
multiply by 8
8/5 of a mile in 1 hour
1.6 miles per hour

The average height of 15 basketball players is an example of: A. Descriptive statistics B. Qualitative data C. Inferential statistics D. A population

Answers

Answer:

Step-by-step explanation:

A. Descriptive statistics

Descriptive statistics involve summarizing and describing data, such as calculating measures of central tendency (like the average height) or measures of variability (like the range or standard deviation) for a given sample or dataset. In this case, you are describing the characteristics of a specific group of basketball players, which falls under descriptive statistics.

A bag contains 12 slips of paper of the same size. Each slip has one number on it, 1-12. Describe an impossible event.

Answers

There are many impossible events. Here are a few.
I'm sure you can think of at least 15 more:

-- Pull 5 multiples of 3 from the bag.

-- Pull 3 multiples of 5 from the bag.

-- Pull 7 odd numbers from the bag.

-- Pull 7 even numbers from the bag.

-- Pull two slips from the bag whose sum is more than 21 .

-- Pull three slips from the bag whose sum is more than 33 .

-- Pull two slips from the bag whose sum is less than 3 .

-- Pull three slips from the bag whose sum is less than 6 .

-- Pull two slips from the bag whose product is more than 132 .

-- Pull two slips from the bag whose product is less than 2 .

etc.

The product of (a + b)(a − b) is a perfect square trinomial.
A. Sometimes b. Always c. Never