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2x^2 + 7x -15 =0

Croquet ball A moving at 8.0m/s makes a head on collision with ball B of equal mass and initially at rest. Immediately after the collision ball B moves forward at 7.1m/s . What fraction of the initial kinetic energy is lost in the collision?

The arithmetic progression has first term 4 and last term 34. If the sum of its terms is 247, find the number of terms and their common difference.

An architectural drawing has a scale of 2 in=5 feet. If living room is 15 feet by 18 feet ,what is the living room size . What is the area of the living room in drawing. What is the area of actual. Living room . How do they compare. Using proportion and s...

Mae Ernst 15% commission for selling furniture this week sells $ 7500 worth of furniture how much commission does she earn

Part A: A coach chooses 3 players from the 12 players on the team to be in a team photo for the newspaper. Which expressions represent the situation? A: 3C12 B:12·11·10 over 3·2·1 C:12! over 13! D: 12P3 over 3! Part B: How many groups of 3 players are pos...

Input 3 ,-9,5 Output, 4,-2,5

Thank you

Good one Logan

Okay I just took it. These answers are for 7th grade lesson 5 polygons and angled essential algebra readiness (pre-algebra) b unit 1 geometry 1:B 2:A 3:C 4:D 5:B 6:D 7:C 8:A 9:A 10:C 11: (It's an essay) Translate the figure 2 units to the right, 6 units u...

Drew is WRONG I got 3 right

B B D A This is NOT the answer you guys. Everyone who said so lied.

I just took it and eyeless Jack is right for Lesson 12: measurement review essential algebra Readiness (pre-algebra) B unit 2: measurement

No the weekend is right. There were 9 questions. Everyone else answered with 10. I used the weekend's answers and it worked.

In a class of40 students, the number of students who study French is 10 more than the of students ho study History. if 8 students study both French and History. how many students study:I History ii French solve it with solution and show working