HELP MEHHHH PWEASSS EQUATIONS AND INEQUALITIES
1 Question Use substitution to determine which number from the set {6, 7, 8} makes the equation 54÷x=9 true.(1 point) x=
2 Solve the equation 653=x−243 .(1 point) x=
3 Kendall feeds her cat a total of 45 cup of food every day. She feeds it 12 cup of food in the evening. Solve an equation to find how much food she gives to the cat the rest of the day. Write your answer in fraction form only.(1 point) cup
4 Solve for w : 3w=126 (1 point) w=
5 Ms. Quarles gave the same math unit test to all her classes. She grades 25% of the tests, which is 30 papers. How many students does Ms. Quarles have in total?(1 point) n=
6 Randy and three of his friends went to a restaurant to eat dinner. The bill was $52. How much money does each person have pay towards the bill?(1 point) n= $
7 Solve for x : 65x=90 (1 point) x=
8 AJ’s office purchased a small vending machine and need to supply it with drinks. A large box from the wholesale store contains 25 bottles of assorted drinks. If each drink bottle has the same price of $1.75, how much does the large box cost?(1 point) x= $
9 Use inverse operations to solve the equation 12.6+x=22.18 .(1 point) x=
10 A shipping company ships packages from New York to Chicago. The more packages the company needs to ship, the more drivers the company will need to hire. Identify the independent variable. Input 1 if the number of packages the company needs to ship is the independent variable. Input 2 if the number of drivers the company needs to hire is the independent variable.(1 point)
11 A family goes on a trip. They drive 65 mph. Write an equation using two variables to show the relationship between the number of hours driven, h , and the total amount of miles drive, m . How far did they drive after 7 hours?(1 point) Equation: Miles driven:
12 Which of the numbers 1, 2, and 3 is a solution of 2x+1≥7 ?(1 point)
13 If the amount of carbon dioxide (CO2) in a workplace is greater than 1,000 parts per million (ppm), it can cause drowsiness and complaints of stale air. Write an inequality to show the amount of (c) in parts per million that would cause drowsiness and complaints of stale air. Begin the inequality with c . Note: you will find the option to add a < , > , ≤ , or ≥ symbol in the Comparison (<) keyboard. (1 point) ppm
1. x=6
2. x=896
3. cup = 33/2
4. w=42
5. n=120
6. n=13
7. x=18/13
8. x=43.75
9. x=9.58
10. Input 1
11. Equation: m=65h, Miles driven: 455
12. 2
13. c > 1000