Questões matemáticas

4) 3a - 4b (4 - 7a + 2b) + b

6) 3mn (m² + n² - m + 4n - 5)

8) (x + √5) ²

9) (4x + 2y) ²

10) (2w-1,6) ²

13) (x+11) (x+18)

15) (x+4,7) (x+3,25)

Considere x=-4, y=48 e z=2,7

17) 2x-y+3z

18) xz+1,57

20) x³+2x²-4x

A right rectangular prism has a volume of 2414.68 cm³. The length of the solid is 21.2 cm and the width is 8.5 cm. What is the height of the right rectangular prism? Enter your answer in the box.

What is the geometric mean of 3 and 15

andrea spent $40 at a shoe store. she bought a pair of shoes for $25 and 5 identical pairs of socks. how much was each pair of socks? write an equation to represent this situation. use x to represent the price of each pair of socks.

Edith paid $25.00 for two scarves, which were different prices. When she got home she could not find the receipt. she remembered that one scarf cost $3 more than then other what was the price of the more expensive scarf?

Is medical insurance a fixed or variable expense? Explain.

How to find the roots of h (x) = 2x^2 + 26

The bull's eye on an archery target has a radius of 3 inches. The entire target has a radius of 9 inches. To the nearest 10th, find the area of the target outside the bull's eye.

Which measure is equivalent to 110mL?

13,006,017 in word form

Potatoes cost janice $1 per pound, and she has $5 that she could possibly spend on potatoes or other items. if she feels that the first pound of potatoes in worth $1.50, the second pound is worth $1.14, the third pound is worth $1.