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

VerZion sells the iPhone X for $899. If the monthly plan for service is $65 per month what is the linear equation for the cost of buying and using the new iPhone with Verizon. What is the total cost after 24 months?

8x-5y = 14 - 5 х+бу = - 3

Given the following sequence, what is the 10th term of the sequence? Assume that the sequences start with an index of 1. Sequence: The nth term is 3.

Three classes of school children are selling tickets to the school play. the number of tickets sold by these classes, and the number of children in each of the classes have been read into these variables:tickets1, tickets2, tickets3 and class1,

Micheal with drew $60 from his checking account. What does 0 represent?

Solve for y:10.3=0.6y

At a carnival game, there is a 38% probability of winning a prize. What is the probability of not winning a prize? 38% 50% 62% 76%

From the equation 2x+9+3x+x=_x+_, use numbers 0-9 to find no solutions, one solution, or infinitely many solutions

Carlos has 1,294 cups of frosting if each cake he frost uses 2 cups of frosting how many cakes can he frost

If sin (12x + 18) ° = cos (3. x - 3), find the value of x.