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Answers by Zgreen

Answers by Zgreen
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For a certain​ automobile, M(x)=−.015x^2+1.42x−7.8​, 30≤x≤60​, represents the miles per gallon obtained at a speed of x miles per hour. ​(a) Find the absolute maximum miles per gallon and the speed at
answered Mar 15, 2021
2 votes
128k views
Evaluate the algebraic expression 5 + 9(x-8)2 for x = 9. When x = 9,5+9(x-8)2 =
answered Mar 1, 2021
3 votes
46.9k views
A paint company claims their paint will be completely dry within 45 minutes after application. Recently, customers have complained drying times are longer than the claimed 45 minutes. A consumer advocate
answered Jan 16, 2021
5 votes
205k views
A type of elevator called a cage is used to raise and lower miners in a mine shaft. Suppose the cage carries a group of miners down the shaft. If the unbalanced force on the cage is 60.0 N, and the mass
answered Jan 16, 2021
2 votes
195k views
Please help! Melissa's penny bank is 3/10 full. After she adds 240 pennies, it is 4/5 full. How many pennies can Melissa's bank hold?
answered Jan 15, 2021
2 votes
48.4k views
Did the Persians teach Roman about art, literature, and math?
answered Jan 6, 2021
1 vote
179k views
Why was the Wagner act enacted?
answered Oct 23, 2020
3 votes
57.0k views
What is the value of x? x =
answered Apr 30, 2020
1 vote
216k views
A solid brass cylinder and a solid wood cylinder have the same radius and mass (the wood cylinder is longer). Released together from rest, they roll down an incline. (a) Which cylinder reaches the bottom
answered Mar 19, 2020
4 votes
234k views
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