Questions in mathematics

Questions in mathematics

[Done] Kate is at a T-shirt sale where she can buy one and get a second one for 30% off. She wants to buy two T-shirts listed at $19 each. How much will she pay?

[Done] Six students shared equally the cost of 18 of one of the items in the chart. Each student paid $24. What item did they buy? Explain how you found your answer. | Item | Price | |-------------------|--------------| | Origami book | $24 each | | Origami paper | $6 per pack | | Origami kit | $8 each |

[Done] I have some white and black marbles in a box. There are 30 white marbles, and there are 14 more white marbles than black marbles. How many black marbles do I have?

[Done] Write 2.97 as a fraction, decimal, and percent.

[Done] A rectangular field is 280 m by 390 m. A rectangular barn 25 m by 33 m is built in the field. How much area is left over?

[Done] If Kelly gave \(\frac{1}{3}\) of a pizza to Holly and \(\frac{1}{5}\) to Diane, how much did she have left?

[Done] In rhombus ABCD, AB = 13 and AC = 25. Find the area of the rhombus to the nearest tenth.

[Done] Find all real numbers \( x \) such that: \[ 6x - 21 \geq 3 \] or \[ 14x + 11 \leq -7 \]

[Done] Let [tex](2x - 12) \text{ degrees}[/tex] represent the measure of an acute angle. What are the possible values of [tex]x[/tex]?

[Done] Can you simplify this problem? \[ 3t - 7t + 14t \]