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german
3 years ago
11

Solve for x in the equation x2-8x+41=0

Mathematics
1 answer:
alex41 [277]3 years ago
4 0
X = [-(-8) +/- sqrt((-8)^2 -4*41)] / 2  

x =  ( 8 + sqrt (-100) / 2  and  (8 - sqrt(-100) / 2

 4 +or- 5i
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What is the measure of c?<br>45°<br>56°<br>60°<br>66°​
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Answer:

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3 years ago
A cube has a volume of 125 cube inches. what is the length of each edge​
yanalaym [24]

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5 cubic in. would be the length of each edge.

Step-by-step explanation:

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3 years ago
How many 5 1/4 ounce glasses can be completely filled from a 33 1/2 ounce container of juice?
geniusboy [140]
You need to divide.
We are dividing the mixed numeral 33 1/21 by the mixed numeral 5 1/4.

(33 1/2 ) / (5 1/4) =

The first step is to change the two mixed numerals into improper fractions.
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= (67/2) / (21/4)

Now we are dividing the fraction 67/2 by the fraction 21/4.
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= 67/2 * 4/21

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5 0
3 years ago
Are the irrational numbers closed under addition?
Arte-miy333 [17]

Answer:

Irrational numbers are not closed under addition.

Step-by-step explanation:

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The closure property of addition in irrational numbers say that sum of two irrational number is always a rational number, But this is not true. It is not necessary that the sum is always irrational some time it may be rational.

This can be understood with the help of an example:

let (2+√2) and (-√2) be two irrational number. Their sum is (2+√2)+(-√2) = 2, which is clearly a rational number.

Hence, irrational numbers are not closed under addition.

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Gary car will use 18 miles/gallons
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3 years ago
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