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bixtya [17]
3 years ago
6

I need help and quick its due at 3:15

Mathematics
1 answer:
KonstantinChe [14]3 years ago
5 0
Believe its 3 sorry if its wrong
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Using the quadratic formula to solve 4x^2-3x + 9=2x + 1 what are the values of x​
Alchen [17]

Answer:

x=5±√−103/8

Step-by-step explanation:

There's no real solutions

4x2−3x+9−(2x+1)=2x+1−(2x+1)

4x2−5x+8=0

x=−b±√b2−4ac/2a

x=−(−5)±√(−5)2−4(4)(8)/2(4)

x=5±√−103/8

8 0
3 years ago
A pair of sneakers is regularly at $52. The store sells it for $78. What is the percent increase?
san4es73 [151]

The answer is A.33.33%.

8 0
3 years ago
A dentist polls his patients and finds that 83 percent brush their teeth at least twice a day, 47 percent floss daily, and 19 pe
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Answer: 23%

Step-by-step explanation: just is rate me good bye

7 0
2 years ago
Read 2 more answers
Kevin recently accepted a job at a Lucky Seven store 17 miles from his house. Use the
RideAnS [48]

Something is missing there is no given. But here are the given for this question:

Salary = $8.75 per hour

40 hour work week

52 work week per year

5 days of work per week

Gas mileage is 21 miles per gallon

Gas costs is 1.26 per gallon

Average speed is 45 miles per hour

Daily round trip to work and back home is 34 miles

a. Kevin’s annual salary is 8.75 per hour x 40 hour work week x 52 work week per year

= $18,200

b. Kevin will spend on fuel each week:

34 miles daily round trip x 5 day work week divided by 21 miles per gallon x 1.26 per gallon

= $10.20

c. Kevin will spend _ hours on commuting

= 34 miles is the daily round trip x 5 day work week divided by 45 miles average speed per hour

= 3.78 hours

Hope this helps!

7 0
3 years ago
Read 2 more answers
I don't remember how to find x please help
alexandr1967 [171]
When a number is next to a variable multiply so you problem really is 2(?)=60
3 0
2 years ago
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