Questions in mathematics

Questions in mathematics

[Jawaban] Is [tex]y = 7.5x[/tex] a proportional relationship? Explain why.

[Jawaban] A rectangle has an area of 15 square meters. It is divided into parts, each with an area of [tex]\frac{3}{8}[/tex] square meter. Into how many parts has the rectangle been divided?

[Jawaban] How many \(\frac{3}{8}\) cup servings are in a pitcher containing \(6 \frac{3}{4}\) cups of orange juice?

[Jawaban] Maria has [tex]8 \frac{1}{3}[/tex] pounds of beef to make tacos for a party. She uses [tex]\frac{5}{9}[/tex] pound of beef for each taco. How many tacos can Maria make?

[Jawaban] What is the product of 7 and 50?

[Jawaban] Ron had 20 apples. He used \(\frac{2}{5}\) of the apples to make pies. How many apples did Ron use for pies?

[Jawaban] On a skiing trip, there are five people but only three pairs of skis. How many different groups of three could ski?

[Jawaban] Write a real-world problem for \(\frac{5}{6}\) divided by \(\frac{1}{12}\).

[Jawaban] A merchant purchases two lots of shoes. One lot is purchased for $32 per pair, and the second lot is purchased for $40 per pair. There are 50 pairs in the first lot. How many pairs are in the second lot if he sold them all at $60 per pair and made a gain of $2800 on the entire transaction?

[Jawaban] The circumference, or perimeter, of a circle can be found by multiplying its diameter by 3.14. What is the circumference of a circle that has a diameter of \( \frac{1}{2} \) inch? Express your answer as a decimal.