subject
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.

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:30, RyannLambertt9722
What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem
Answers: 1
image
Mathematics, 21.06.2019 18:30, 123jefe
Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?
Answers: 1
image
Mathematics, 22.06.2019 03:00, jjgurl60
Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?
Answers: 2
image
Mathematics, 22.06.2019 04:30, brii1387
Given the numbers 6, 8, 10, and 20, what number when added would make the average of all five numbers 12? 1. (4) 2. (10) 3. (16) 4. (22) 5. (28)
Answers: 2
You know the right answer?
You only have to answer 1 but you can do all if you want1. kim's age is twice that of her sister. wh...

Questions in other subjects:

Konu
Chemistry, 29.08.2019 20:00
Konu
Chemistry, 29.08.2019 20:00