Answers by Salim Hamidi

Answers by Salim Hamidi

Given f(x) = 2x^2+4x−6, evaluate f(−2). a) 2 b) -6 c) -2 d) 10

answered Feb 22, 2021

5 votes

129k views

A car travels 2 hours at 60 km/h. It then travels for 3 hours at 55 km/h. Find the average speed for the whole journey.

answered Feb 2, 2021

7 votes

148k views

Air pressure is measured in pascals. For a professional American football game, the ball should be inflated to about 90,000 pascals. Scientists studied the effects of air temperature on the pressure inside

answered Dec 12, 2020

5 votes

45.3k views

Arnie and Matt are involved in a car accident. Immediately before the accident, Arnie was observed speeding and driving erratically. On the other hand, Matt was obeying the speed limit and driving in a

answered Nov 12, 2020

4 votes

36.5k views

How do particles make up an atom and what are their locations?

answered Jul 23, 2020

4 votes

138k views

Four charges 7 × 10−9 C at (0 m, 0 m), −9 × 10−9 C at (3 m, 3 m), 7 × 10−9 C at (1 m, 3 m), and −8 × 10−9 C at (−3 m, 2 m), are arranged in the (x,y) plane. Find the magnitude of the resulting force on

answered May 24, 2020

1 vote

162k views

The mass of block B is twice the mass of block A, while the mass of the pulley is equal to the mass of block A. The blocks are let free to move and the cord moves on the pulley without slipping or stretching.

answered Feb 28, 2020

1 vote

215k views

What is g(x)?.......

answered Jan 16, 2020

6 votes

172k views

3. How might your current dating might your current dating behaviors affect your short-term health? Long-term health? (2 points)

answered Jan 12, 2020

3 votes

41.8k views

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