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earnstyle [38]
3 years ago
15

2/5 of 7/10 simplest form

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0
So, let's multiply 2/5 by 7/10. The reason I know to multiply is because of the word "of". Of is a multiplication word, so let's multiply.
2/5×7/10=14/50
The reason I know that I could simplify it is because the numbers are both even, so they are able to get split.
14/50=7/25
7 is a prime number and 25 is not divisible by 7, so 7/25 is 2/5 of 7/10 in simplest form.
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7.
Alexxx [7]

Answer:

x = 3

Step-by-step explanation:

Given the 2 equations

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Adding the 2 equations term by term eliminates the y- term, that is

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4 0
3 years ago
What is 3 times 1/3 and subtract 5
lukranit [14]
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7 0
2 years ago
Read 2 more answers
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3 years ago
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C 13.5 bubble id the best choice

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An unprepared student makes random guesses for the ten​ true-false questions on a quiz. Find the probability that there is at le
hoa [83]

Answer:

0.999

Step-by-step explanation:

At least 1 correct means, 1 correct, 2 correct, 3 correct ... until 10 correct. That would be a long process to calculate.

<em>Instead we use the complement rule to calculate.</em>

<em>P(x\geq1)=1-P(x</em>

<em />

<em>So we need to find P(x<1). So this is getting 0 answers correct, or 10 incorrect.</em>

<em />

In true false question, probablity of correct is 1/2 and incorrect is 1/2, hence,

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Thus,

P(x\geq1)=1-(\frac{1}{2})^{10}=0.999

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