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Mkey [24]
3 years ago
9

Use an example to describe the multiplication relationship between two equivalent ratios

Mathematics
2 answers:
kherson [118]3 years ago
4 0
5/10 and 1/2 are both equivalent ratios resulting in half of themselves you can multiply these by any numbers but they will stay as half ratios such as 1:2 x 6 it would be 6:12 divide it by 6 and you have a half
iren [92.7K]3 years ago
4 0

Answer: 6:12

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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What is the area of a rectangle with a length of 15 feet and a width of 9 feet?
vesna_86 [32]
Area of a rectangle can be calculated by multiplying length times width.
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3 years ago
The sides lenghths of a triangle are 9, 12, and 18 is this a right triangle?​
arlik [135]

Answer:

By virtue of the Pythagorean Theorem, in a right triangle the sum of the squares of the smaller two sides equals the square of the largest side. Only 9, 12, and 15 fit this rule.

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3 years ago
On a multiple-choice test. Abby randomly guesses on all seven questions. Each question
Murrr4er [49]

Answer:

0.173 probability that she gets exactly three questions correct.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either she guesses the correct answer, or she does not. The probability of guessing the correct answer for a question is independent of other questions. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Seven questions:

This means that n = 7

Each question has four choices.

Abby guesses, which means that p = \frac{1}[4} = 0.25

Find the probability to the nearest thousandth, that Abby gets exactly three questions correct.

This is P(X = 3).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 3) = C_{7,3}.(0.25)^{3}.(0.75)^{4} = 0.173

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3 years ago
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Answer:

23+12=

Step-by-step explanation:

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