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jekas [21]
3 years ago
14

Hello there are 4 questions in this it will look like a lot but it is not and you don't have to answer all of it just look at th

e answers already hear and do another question if another one is already answered
Which of the following values for x and y make the equation 4x + 2y + 3 = 19 true?

x = 5, y = 3
x = 4, y = 5
x = 3, y = 2
x = 2, y = 5
Question 3(Multiple Choice Worth 4 points)
(07.01)
Which of the values in the set {3, 4, 5, 6} is a solution to the equation 4x + 2 = 22?

3
4
5
6
Question 4(Multiple Choice Worth 4 points)
(07.01)
Fred is trying to earn $35 to buy a basketball. He has saved $11.25. He earns $2.25 per hour doing yard work for his neighbor, and he earns $7.25 per hour selling sunglasses at the mall. Will Fred have enough to buy the basketball if he works in the yard for 2 hours and at the mall for 3 hours? Use the inequality 2.25y + 7.25z + 11.25 ≥ 35.

No, because the total will be $58.75.
No, because the total will be $21.25.
Yes, because the total will be $37.50.
Yes, because the total will be $26.25.
Question 5(Multiple Choice Worth 4 points)
(07.01)
Which of the following sets shows all the numbers from the set {0, 0.5, 1, 2.5, 3} that make the inequality 2a + 3 ≥ 8 true?
Mathematics
1 answer:
alex41 [277]3 years ago
4 0

Answer:

First one: x = 3, and y = 2

Second: 5

Third: Yes because he will have $37.50

Fourth: The numbers 2.5 and 3 will make it true

Step-by-step explanation:

1. 4(3) + 2(2) + 3 = 12 + 4 + 3 = 19

2. 4x + 2 = 22, 4x = 20, x = 5

3. 2.25y + 7.25z + 11.25, 2.25(2) + 7.25(3) + 11.25 = 4.5 + 21.75 + 11.25 = 37.5

He will get $37.50, which is enough.

4. The numbers 2.5 and 3 will make it true: 2(2.5) + 3 = 5 + 3 = 8, 2(3) + 3 = 6 + 3 = 9, the numbers below it won't make it true.

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