Fehima has 4 times as many dimes as quarters.If her dimes and quarters have a value of $3.90, how many of each coin does she have?I want to know if my answer is correct. D=4(q) 0.10d+0.25q=3.90 0.10(4q)+0.25=3.90 0.40q+0.25q=3.90
Number problems. You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer. okay this is what i have: Let “d” be the number of
1)(6.0 × 10 to the 5th power) × (3.0 × 10 to the 4th power) A) 18 × 10 to the 20th power. B) 18 × 10 to the 9th power. C) 1.8 × 10 to the 20th power. D) 1.8 × 10 to the 9th power. 2)(5 × 10 to the -2 power) ÷ (2 × 10 to
Market demand is given as QD = 200 – 3P. Market supply is given as QS = 2P + 100. Each identical firm has MC = 0.5Q and ATC = 0.25Q. What quantity of output will a typical firm produce? a.10 b.20 c.30 d.40 Market demand is given
I have 56 coins consisting of nickels and quarters. The total value of the coins is $5.60. How many of each coin do I have? Algebra to the rescue... NN is number of nickles ND is the number of quarters. NN*.05 + ND*.25=$5.60 but
Hey, I just need my answer checked. Simplify: y to the 4th power times y to the 3rd power y to the 1st power y to the 7th power ** y to the 12th power y to the 43rd power correct? If not, please show work for me. thanks.