hayhay5983 hayhay5983
  • 02-04-2020
  • Mathematics
contestada

Katalina is solving algebraic expressions for her math homework. She solves the problem 7y -12, when y = 3. Katalina says that the answer is 61. Is she correct? How do you know?

Respuesta :

Sarah06109
Sarah06109 Sarah06109
  • 02-04-2020

Answer:

No

Step-by-step explanation:

Substitute 3 in for y

7y-12

7(3)-12

21-12

9

She is not correct, the correct answer would be 9

Answer Link

Otras preguntas

In a republic, leaders are elected by citizens. False True
Find the percent change from the first value to the second. 36; 45
what is From $80 to $64
Which equation represents the line that is parallel to y = -3 and passes through (-1,6)?
Giant leaf frogs ______________. are omnivores, eating leaves and insects that come in their path are found in all rainforests around the world are predators wh
Does this graph represent a function? Why or why not?
what is seven times the difference of a number and 4 is no more than 10
Find the surface area of a rectangle prism with length of 4.7 inches width of 6.4 inches in height of 8.2 inches
9. Return to the guarantees or promises in Question 4. Consider everything you've learned about this business, and explain how this business keeps borrowers in
Im so confuse, please help me :)