Questions in mathematics

Questions in mathematics

[Done] What is the exact circumference of a circle with a radius of 15 cm? A. 60 cm B. 30 cm C. 15 cm D. 10 cm

[Done] The Florida panther has an average height of 30 inches. It is 20 inches taller than the northern mockingbird. Write and solve an equation to find the average height of the northern mockingbird.

[Done] A whole pie is cut into 8 equal slices. Three of the slices are served. How much of the pie is left?

[Done] Look at the shaded triangle. Describe two ways of drawing the square design below using any combination of translation , reflection ,and rotations of figure I (the shaded triangle).

[Done] In sunlight, a vertical stick 7 ft tall casts a shadow 3 ft long. At the same time, a nearby tree casts a shadow 11 ft long. How tall is the tree? Round to the nearest tenth.

[Done] Simplify [tex]81^{1/2}[/tex] Please simplify and show steps.

[Done] Two liters of water are poured into an empty rectangular tank with a length of 25 cm and a width of 20 cm. The water completely fills the tank without overflowing. Calculate the depth of the tank.

[Done] Claire had 3 packs of clay. She divided the clay into equal portions for the students in her art class. Each portion was \(\frac{1}{2}\) of a pack of clay. Write an expression you can use to find the total number of portions of clay Claire gives to her students.

[Done] Rearrange the formula to make \( a \) the subject: \[ P = 3a + 2b^2 \]

[Done] If BC = 9 and CD = 29, find AC. 38 Squared Root 3 Radical 29 38 261