Questions in mathematics

Questions in mathematics

[Free] The population of Africa is [tex]6.582 \times 10^{14}[/tex] people. The population of Australia is [tex]4.32 \times 10^{14}[/tex] people. How many times the population of Australia is the population of Africa?

[Free] Nine months is what percent of a year?

[Free] Laura's uncle donated 120 cans of juice and 90 packs of cheese crackers for the school picnic. Each student is to receive the same number of cans of juice and the same number of packs of crackers. What is the largest number of students that can come to the picnic and share the food equally? How many cans of juice and packs of cheese crackers will each student get? Answer: The largest number of students that can come to the picnic is ( ) students. Each student will get ( ) cans of juice and ( ) packs of cheese crackers.

[Free] What is the solution for the equation [tex]7x - 3x^2 = 85 + 2x^2 + 2x[/tex]? How do you solve it?

[Free] What is \(\frac{9}{8}\) simplified?

[Free] Is 6 a factor of 72? Explain your reasoning.

[Free] Determine whether the figure is a right triangle. a right triangle contains one 90 degree angle. Justify your answer with slopes. ( question 16)

[Free] Simplify the expression as much as possible: \[ \sin(2x)\cos(x) \]

[Free] What numbers round up and down to 600?

[Free] A spinner numbered 1-10 is spun. Each number is equally likely to be spun. What is the probability of spinning: 1. An odd number OR a power of three? 2. A number less than 8 OR a divisor of 15?