Mathematics, 08.09.2019 03:20 kovacscsilla55owjvhn
^3√81 ^3√-64simplify each cube root expression. describe the simplified form of the expression as rational or irrational. in your final answer, include all of your work.
Answers: 1
![\large\boxed{\sqrt[3]{81}=3\sqrt[3]3-irrational}\\\boxed{\sqrt[3]{-64}=-4-rational}](/tpl/images/0225/3813/04f0b.png)
![\sqrt[3]{81}=\sqrt[3]{(27)(3)}\qquad\text{use}\ \sqrt[n]{ab}=\sqrt[n]{a}\cdot\sqrt[n]{b}\\\\=\sqrt[3]{27}\cdot\sqrt[3]3=3\sqrt[3]3\qquad/\sqrt[3]{27}=3\ \text{because}\ 3^3=27/\\\\\sqrt[3]{-64}=-4\ \text{because}\ (-4)^3=-64](/tpl/images/0225/3813/75146.png)
Another question on Mathematics
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 21.06.2019 18:50
Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.
Answers: 1
Mathematics, 21.06.2019 21:00
To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay
Answers: 1
You know the right answer?
^3√81 ^3√-64simplify each cube root expression. describe the simplified form of the expression as ra...
Questions
Biology, 22.03.2021 23:30
Mathematics, 22.03.2021 23:30
History, 22.03.2021 23:30
English, 22.03.2021 23:30
Mathematics, 22.03.2021 23:30
Social Studies, 22.03.2021 23:30
Mathematics, 22.03.2021 23:30
Social Studies, 22.03.2021 23:30
History, 22.03.2021 23:30
Mathematics, 22.03.2021 23:30
Physics, 22.03.2021 23:30
Chemistry, 22.03.2021 23:30
