Mathematics, 10.07.2019 22:40 weirdoal567
You only have to answer 1 but you can do all if you want1. kim's age is twice that of her sister. when you add kim's age to her sister's age, you get 36. how old is each sister? (a) write an equation that represents the situation. explain any variable used. (b) solve the equation from part (a). show your work. state your solution as a complete sentence. 2. solve each given equation and show your work. tell whether it has one solution, an infinite number of solutions, or no solutions, and identify each equation as an identity, a contradiction, or neither. (a) 6x + 4x - 6 = 24 + 9x (b) 25 - 4x = 15 - 3x + 10 - x (c) 4x + 8 = 2x + 7 + 2x - 20 3. at a bargain store, tanya bought 3 items that each cost the same amount. tony bought 4 items that each cost the same amount, but each was $2.25 less than the items that tanya bought. both tanya and tony paid the same amount of money. what was the individual cost of each person's items? (a) write an equation. let x represent the cost of one of tanya's items. (b) solve the equation. show your work. (c) check your solution. show your work. (d) state the solution in complete sentences.
Answers: 2
Mathematics, 21.06.2019 12:50
What is the value of y in the solution to the system of equations? x + y = 12x – 3y = –30a. –8b. –3c. 3d. 8
Answers: 1
Mathematics, 21.06.2019 19:00
The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.
Answers: 1
Mathematics, 21.06.2019 23:10
Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?
Answers: 3
Mathematics, 21.06.2019 23:30
If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units
Answers: 3
You only have to answer 1 but you can do all if you want1. kim's age is twice that of her sister. wh...
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