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Daniel [21]
2 years ago
9

If the number of bacteria in a

Mathematics
1 answer:
Y_Kistochka [10]2 years ago
5 0

Answer:

The population of 75 hours from now would be 40,000.

Step-by-step explanation:

The reason for this is because your initial number is 10,000 and when 25 hours pass by, your population would be 20,000. Another 25 hours pass by, and then your population would be 40,000. If you multiply 25 by 3, you will notice 75 hours have just passed, so your answer would be 40,000.

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Four times the quotient of a number and 9 plus 14, how do I right it as an expression?
user100 [1]

The expression is written as (4n/9) + 14

What is an expression?

An expression or mathematical expression is a finite collection of symbols that is well-formed according to context-dependent norms. To assist identify the sequence of operations and other features of logical syntax, mathematical symbols can denote numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. Many writers differentiate between an expression and a formula, with the former referring to a mathematical item and the latter referring to a statement about mathematical things. For instance, is a formula. However, in modern mathematics, and particularly in computer algebra, formulae are considered as expressions that may be evaluated as true or false based on the values assigned to the variables in the expressions.

The expression is written as (4n/9) + 14

To know more about an expression, click on the link

brainly.com/question/27158448

#SPJ9

4 0
9 months ago
a father is 43 years old and his 2 children is 8 and 6 years old. how many years will the sum of the ages of the two children be
elena55 [62]

Answer:

Step-by-step explanation:

29 years they are combined ages the same and if this goes up 2:1 ratio every year thereafter from age 43 then to change 29:43 to make double it is x 8 43 x 8= 344 and  29 x16=464. The ages never become double.

7 0
2 years ago
5/8x64= what is the answer
uysha [10]

Answer:

40 is the answer

hope this helps

have a good day :)

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What is 6x-36=216<br> What is x
stiks02 [169]

Answer:

x=42

Step-by-step explanation:

6x-36=216

   +36  +36

6x     = 252

x        = 42

7 0
3 years ago
Read 2 more answers
Knowing the population standard deviation, a 95% confidence interval infers that the population mean ___________. is between 0 a
nevsk [136]

Answer:

within ±1.96 standard deviations of the sample mean

Step-by-step explanation:

A 95% confidence interval is found using the formula C = 1 - α, and some other stuff, but let's focus on that for now. Using the formula:

.95 = 1 - α

α = .05

If α = .05, that means a 2-sided confidence interval would be found using the sample mean and the Z-score Z(subscript α/2), or Z.₀₂₅ because α AKA .05 divided by 2 = .025. From there, you take this either to your calculator or a Z-table (or perhaps you have a chart that lists the common CI values), and see that for the area to be .025 beneath a standard normal curve, your Z value is ±1.96 ("plus or minus" because we're considering a 2-sided confidence interval).

3 0
2 years ago
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