Suppose you have 30coins that total to $2.10 some of these coins are pennies and the rest are dimes which system of equations can be solved to find the number of each type of coin you have

What is 54/125 as a decimal

when gisselle decided to stop eating junk food, she started saving more of her allowance to buy a larger bicycle. she manage8 weeks andd to put away $6 every week found a used bicycle for $50.

Selene wants to invite some friends to go with her to see the El Control concert. She will purchase tickets online for $42.50 each plus a $5 handling fee.

I am a 1 digit number. I am not even. If you multiply me by 10, then divide the answer by 5, the quotient is 6. What number am I?

What is the inverse and domain of f (x) = x^2+4

Preciso de ajudaa! Resolução também! - Considere as funções f e g tais que f (x) = x³+1 e g (x) = x-2 Determine: a) (fog) (0) b) (gof) (0) c) (fof) (1) d) (gog) (1)

Evaluate the expression using order of operations {6-2}[{2+3}+4]=?

Write statements to declare and initialize two variables: one, named element_number can hold any of the integer values 1 through 118; the other, named atomic_weight can hold the atomic weight of the given element; atomic weights are values like 3.76.

What is x if 389/x=47

Find the value of x - y if x = 1000, y = 10, and n = 4. a. - 9000 b. 900 C. 990 d. 9000