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Law Incorporation [45]
3 years ago
9

What multiplys to -90 and adds to 9?

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
3 0
The answer would be 3
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Which number is irrational?<br> -4<br> 2/9<br> 8.26<br> 11
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Answer:

None of them are irrational.

Step-by-step explanation:

An Irrational Number is a real number that cannot be written as a simple fraction.

Therefore:

-4 can be written as -4/1

2/9 is already in fraction

8.26 can be written as 826/100

11 can be written as 11/1

None of them are irrational.

However numbers like  \sqrt{x}, \pi are irrational as they can not be represented as fractions.

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Regroup tens as hundreds
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35 tens

tens = 10 ones = 0.1 hundreds

35 tens = 350 ones = 3.5 hundreds

So 35 tens = 3.5 hundreds
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Then set up a proportion like you have done using the sin law and solve for another angle. Knowing the sum of all angles in a triangle add up to 180 degrees, we can easily solve for the remaining angle.
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