subject
Mathematics, 03.12.2021 06:40 jlchandl

Tamara bought yarn for $39 and 2 pairs of knitting needles. Her total cost for the yarn and knitting needles was $69. Tamara writes an equation that represents the cost of each pair of knitting needles. If k represents the cost of each pair of knitting needles, which statements about verifying the value of k are true? Check all that apply. Tamara should substitute k = 30 into the equation 39 + 2 k = 69.After she substitutes the correct value for k into the equation, Tamara should find that the left side of the equation is equal to the right side. Tamara should substitute k = 15 into the equation 39 + 2 k = 69.After she substitutes the correct value for k into the equation, Tamara should find that the left side of the equation is not equal to the right side. To verify the solution to the equation, Tamara multiplies the solution by 2 and then adds it to 39. Then, she checks that it is equal to 69.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?
Answers: 1
question
Mathematics, 21.06.2019 19:00
The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?
Answers: 1
question
Mathematics, 21.06.2019 21:30
The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?
Answers: 3
question
Mathematics, 21.06.2019 22:30
Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)
Answers: 2
You know the right answer?
Tamara bought yarn for $39 and 2 pairs of knitting needles. Her total cost for the yarn and knitting...
Questions
question
Mathematics, 04.01.2021 02:00
question
Mathematics, 04.01.2021 02:00
Questions on the website: 13722367