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sergiy2304 [10]
3 years ago
7

True or False: You can tell if two ratios form a proportion if their cross products are equal. True O False​

Mathematics
1 answer:
daser333 [38]3 years ago
7 0

Answer:

Step-by-step explanation:

False

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Reduce the fraction to lowest terms. y+5/2y+10<br><br>A:1/4<br>B:1/2<br>C:2/5
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The given fraction is:

\frac{y+5}{2y+10}

We cannot take anything common from the numerator but from the denominator we can take out 2 as common because 2 is a factor of both the terms i.e. 2y and 10. 

2y + 10 can be written as 2y +2(5) which can further be written as 2(y+5)

So, our fraction now becomes:

\frac{y+5}{2(y+5)}

y+5 occurs in both the numerator and denominator and thus be cancelled out leaving behind:

\frac{1}{2}

Therefore, the given fraction in lowest term is equal to 1/2. So option B is the correct answer 
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If it took 28 minutes to run 4 miles, then at that rate, how long would it take to run 20 miles?
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Answer:

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