Questions in mathematics

Questions in mathematics

[Jawaban] How do I graph [tex]f(x) = -\cos(x - \pi)[/tex]?

[Jawaban] 6 meters cost $3.00. What is the cost of 1 meter?

[Jawaban] Please help me solve this question: How many remain when 87 is divided by 9?

[Jawaban] What's bigger: 60% of 90 or half of 100?

[Jawaban] Give a counterexample to this statement: "The quotient of two fractions between 0 and 1 is always a whole number." Example: Consider the fractions \(\frac{1}{2}\) and \(\frac{1}{3}\). The quotient is: \[ \frac{\frac{1}{2}}{\frac{1}{3}} = \frac{1}{2} \times \frac{3}{1} = \frac{3}{2} \] Since \(\frac{3}{2}\) is not a whole number, this serves as a counterexample.

[Jawaban] Using the laws of indices, simplify the following: \(\sqrt{h} \times \sqrt{h^3}\) =

[Jawaban] Lily and Julian start with the same number. Lily works out half of the number, and Julian works out three-quarters of the number. The sum of their answers is 275. What was the starting number? Explain, please.

[Jawaban] Written in simplest form, the expression [tex]\frac{x^2 y^2 - 9}{3 - xy}[/tex] is equivalent to: 1. -1 2. [tex]\frac{1}{3 + xy}[/tex] 3. -(3 + xy) 4. 3 + xy Please show work.

[Jawaban] Paula caught a tarpon with a weight that was 10 times as great as the weight of a permit fish she caught. The total weight of the two fish was 132 pounds. How much did each fish weigh?

[Jawaban] The crew on a fishing boat caught four fish weighing a total of 1092 pounds. The tarpon weighed twice as much as the amberjack, and the white marlin weighed twice as much as the tarpon. The weight of the tuna was 5 times the weight of the amberjack. How much did each fish weigh?