Mathematics, 06.05.2021 18:20, kimjooin02

A jar contains q quarters and d dimes. There are 7 coins in the jar and the total value of the coins is $1.00. Which system of equations can be used to find how many of each type of coin is in the jar? A.0.25q + 0.10d = 1.00
q + d = 7

B.0.10q + 0.25d = 1.00
q + d = 7

C.25q + 10d = 1
q + d = 7

D.0.25q + 0.10d = 7.00
q + d = 1

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, sebastianapolo5

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Answers: 2

continue

Mathematics, 21.06.2019 19:10, smarty5187

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

Answers: 1

continue

Mathematics, 22.06.2019 02:30, zykia1002

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale

Answers: 1

continue

Mathematics, 22.06.2019 05:30, alexandriasmith727

Which answer choice listed below is thewhich answer choice listed below is the inverse function of ƒ(x) = x-3 x+3 , x ≠ -3? a) ƒ-1(x) = 3 ( x+1 x-1 ), x ≠ 1 b) ƒ-1(x) = -3 ( x+1 x-1 ), x ≠ 1 c) ƒ-1(x) = 3 ( x-1 x+1 ), x ≠ -1 d) ƒ-1(x) = -3 ( x-1 x+1 ), x ≠ -1inverse function of ƒ(x) = x-3 x+3 , x ≠ -3?

Answers: 1

continue

Do you know the correct answer?

A jar contains q quarters and d dimes. There are 7 coins in the jar and the total value of the coins...