3 years ago

Describe a real- life multiplication situation of wich an estimate make sense

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

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A scientist counts 25 bacteria present in a culture and finds that the number of bacteria triples each hour. The function y = 25

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$y = 25\cdot~3^x\\ \\ 1170 = 25\cdot~3^x\\ \\ \frac{1170}{25} = 3^x\\ \\ \frac{243}{5} = 3^x\\ \\ log\ \frac{243}{5} = log~3^x\\ \\ log~243-log~5=x~log~3\\ \\ 
 log~3^5-log~5=x~log~3\\ \\ 5~log~3-log~5 = x~log~3\\ \\ 5(0,48)-0,70= 0,48x\\ \\ 2,4-0,7 = 0,48x\\ \\ 1,7=0,48x\\ \\ x=\frac{1,7}{0,48}\\ \\ \large{\boxed{x=3,54\ h}}$

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3 years ago

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The set of x valúes of a function this is another name of range

marin [14]

Answer:

False?

Step-by-step explanation:

We can't tell what the question is here, but it looks like you want to know about the definition of domain and range.

The set of x-values is the domain.

The set of y-values is the range.

"range" is not another name for the set of x-values.

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3 years ago

Question 5 of 10 Which of the following can you determine, when you use deduction and start from a given set of rules and condit

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REFUGEES BOOK HELP ME Compare and contrast Isabel's point of view on leaving Cuba to that of her grandfather, Lito's. How do their opposing view cause tension in the story?

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3 years ago

What is a quadrilateral with four congruent sides

Verdich [7]

That's a rhombus. If it has one interior right angle, then
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3 years ago

Is this proportional? y = 7x + 3

Irina-Kira [14]

Answer:

This equation is NOT proportional

Step-by-step explanation:

A proportional version of this equation would be Y=7x

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2 years ago