Questions by Collimarco

Questions by Collimarco

A light bulb manufacturer claims that the mean life of a certain type of light bulb is 750 hours. If a random sample of 36 light bulbs has a mean life of 725 hours with a standard deviation of 60 hours.

asked Oct 18, 2023

1 answer

30 votes

121k views

8. A rock is dropped from a cliff and takes 6 seconds to hit the ground. At what time is the acceleration of the rock the greatest?

asked Jun 14, 2023

1 answer

17 votes

284k views

Robin files to San Francisco from Santa Barbara in 3 hours. She files back in 2 hours. If the wind is blowing from the north at a velocity of 40 mph going, but changed to 20 mph from the north returning,

asked May 23, 2023

1 answer

44 votes

211k views

Cual es el valor x-3=11

asked Apr 25, 2023

1 answer

1 vote

26.0k views

OCWhich of the following equations does the graph below represent?

asked Feb 8, 2023

1 answer

28 votes

206k views

The following steps are used to rewrite the polynomial expression, 3(x + 4y) + 5(2x - y). Step 1: (3x + 12y) + (10x - 5y) Step 2: (3x + 12y) + (-5y + 10x) Step 3: 3x + (12y - 5y) + 10x Step 4: 3x + 10x

asked Feb 17, 2022

1 answer

44 votes

407k views

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