Challenge Question 31) If m a,n a and a? = (m/n-F. then show that xyz = 1.

Q: There were some children in a school hall. During recess, 3/7 of the boys and 7/9 of the girls left…

A: Let the number of boys in the hall at first be x and number of girls in the hall at first be y.

Q: Noah says, "I worked the problem from left to right and ended up with `20-45x`."

A: NO, I don't agree with Noah. His approach is incorrect.

Q: Could this be simplified any more?

A: The given polar equation:

Q: 2 cos (3xtZl) = VZ 0°EX Ę 360 2(05

A: 2cos3x+21=2

Q: You go to the doctor and he gives you 17 milligrams of radioactive dye. After 24 minutes, 7.75…

A:

Q: For step three, how did you replace the h?

A: Let's solve.

Q: gives aye. dye remain in your system. To leave the doctor's office, you must pass through a…

A: From the given information, N0=15 mg, N=5.5 mg ant t=24 minutes. It is known that, the radioactive…

Q: I bought a new gas lawn mower the other day. This new mower mows faster than the old electric…

A: The objective of this question is to calculate the time saved by using a new gas lawn mower with a…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.