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Degger [83]
3 years ago
5

Explain why each non-zero integer has two square roots but only one cube root.

Mathematics
1 answer:
lilavasa [31]3 years ago
6 0

if we have a number like say hmm 4, and we say hmmm √4 is ±2, it simply means, that if we multiply that number twice by itself, we get what's inside the root, we get the 4, so (+2)(+2) = 4, and (-2)(-2) = 4, recall that <u>minus times minus = plus</u>.

so, any when we're referring to even roots like \bf \sqrt[2]{~~},\sqrt[4]{~~},\sqrt[6]{~~}...., the positive number, that can multiply itself an even amount of times, will produce a valid value, BUT the negative number that multiply itself an even amount of times, will also produce a valid value.

now, that's is not true for odd roots like \bf \sqrt[3]{~~},\sqrt[5]{~~},\sqrt[7]{~~}...., because the multiplication of the negative number will not produce a valid value, let's put two examples on that.


\bf \sqrt[3]{27}\implies \sqrt[3]{3^3}\implies 3\qquad because\qquad (3)(3)(3)=27&#10;\\\\\\&#10;however\qquad (-3)(-3)(-3)\ne 27~\hspace{8em}(-3)(-3)(-3)=-27&#10;\\\\[-0.35em]&#10;\rule{34em}{0.25pt}\\\\&#10;\sqrt[3]{-125}\implies \sqrt[3]{-5^3}\implies -5\qquad because\qquad (-5)(-5)(-5)=-125&#10;\\\\\\&#10;however\qquad (5)(5)(5)\ne -125~\hspace{10em}(5)(5)(5)=125


so, when the root is an odd root, you will always get only one number that will produce the radicand.

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Uhhh, if you guys are doing means(or averages) in class, then add .39+.72 to get 1.11. Then divide by two.
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3 years ago
What is the least common denominator for 14/9
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Answer:

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Step-by-step explanation:

The LCM of 9 and 14 is 126.

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1 year ago
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Answer:

24 feet

Step-by-step explanation:

According to the question, Patricia needs 10 yards of fabric to make curtains for her bedroom she also needs 3 yards of fabric to make a cover for her storage bench

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13 yards x 3 = 39 feet

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3 years ago
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Give the location of Berlin as an ordered pair X, Y​
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8 0
2 years ago
NewPop produces their brand of soda drinks in a factory where they claim that the
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Answer:

a) 14960 bottles

b) 502 bottles

Step-by-step explanation:

Given that:

Mean (μ) = 24 ounces, standard deviation (σ) = 0.14 ounces

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b) To solve this we are going to use the z score equation given as:

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The number of rejected bottles = 22000 × 0.0228 = 502 bottles

8 0
3 years ago
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