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3 years ago

Can someone answer this?

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

8 0

A fraction isn't always rational. Now usually numbers like
$\pi$
e, Eulers number
The Golden Ratio
$\sqrt{2}$
These would be considered Irrational. Although the answer for this is a rational number (a number that has an end, or can be written out to put it simply.).

I hope this helped :)

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Find the mean absolute deviation

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Answer: in statistics deviation is the difference between the value of one number in a series of numbers and the average value of all numbers in the series ( i hope this helped)

Step-by-step explanation:

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2 years ago

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on th

WARRIOR [948]

Answer:

$Weighted\ Average = 73$

Step-by-step explanation:

Given

$Lab = 21\%$

$Tests = 25\%$

$Exam = 29\%$

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$First\ Test = 81$

$Second\ Test = 69$

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Required

The weighted average

To do this, we simply multiply each score by the corresponding worth.

i.e.

$Weighted\ Average = Lab\ worth * Lab\ score + Tests\ worth * Tests\ score.....$

So, we have:

$Weighted\ Average = 21\% * 60 + 25\% * 81 + 25\% * 69 + 29\% * 79$

Using a calculator, we have:

$Weighted\ Average = 73.01$

$Weighted\ Average = 73$ --- approximated

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2 years ago

Jane randomly opens a 24 page magazine. find the probability that she would open it up to a page that is a prime number.How many

prohojiy [21]

The probability that Jane opens a prime page in a 24-page magazine is 0.375. There are 9 prime numbers between 1-24 and they are: 2,3,5,7,11,13,17,19, and 23. To calculate, Probability = Events/Number of Outcomes which is 9/24 = 0.375. Hope this helps.

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3 years ago

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A math teacher surveys 10 randomly selected students in her classes. She finds that 7 of the 10 speak more than one language flu

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Answer:

Step-by-step explanation:

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2 years ago

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Answer:

x = 2

Step-by-step explanation:

Similar triangles are triangles which have the same shape but not the same size. This means their angle measures are equal but their side lengths are not instead they are proportional. To solve, we will set up a proportion and solve.

A proportion is two equal ratios set equal to each other. We form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). Out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

$\frac{little}{big} =\frac{little}{big}$ .

$\frac{36}{36 + 12}=\frac{24}{24 + 6x - 4}$

To solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.

$36(24 + 6x - 4)=(36+12)(24)\\36(6x + 20)=48(24)\\216x + 720 = 1152 \\216x = 432\\\frac{216x}{216}=\frac{432}{216} \\x = 2$

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2 years ago