Astro

using a powerful air gun, a steel ball is shot vertically upward with a velocity of 80 m/s, followed by another shot after 5 seconds. find the initial velocity of the second ball to meet the first ball 150 m from the ground.

A)For a certain commodity the demand equation is given by D=-3p+20. At the price of $1, four units of the commodity are supplied.If the supply equation is linear and the market price is $4, find the supply equation. B) how many litres of a 70% alcohol sol...

1)An electronic repair shop has 5 vacum cleaners, 12 tv sets, and 18 vcrs to be repaired. The store employs two part time repairmen. One repairman can repair at least one vacum cleaner, three tv sets and three vcrs in 1 week. While the second repairman ca...

Question 1 Which of the following is nota way that human activity has negatively affected the biodiversity of ecosystems? Group of answer choices Habitat destruction Introduction of invasive species Planting of trees Overexploitation Question 2 What must...

I managed to attempt...not sure if correct thou. Vacum tv vcr = cost X-repairmen 1 ...1 3 3 = 250x y-repairmen 2 ...1 2 6 = 220y 5 12 18 1) find optimization c = 250x + 220 y 2) find constraints X+y》5 , 3x+2y》5, 3x+6y》18, x>0,y>0 3) find x & y int A) (...

What's the answers you have available to choose?

What do you think the answer is?

Dude. Not cool. She needs help so she is asking for it. What is so wrong about that.

Then don't comment if you don't plan on helping.

K type star life span is estimated 17 billion years to 70 billion years. How is that possible if the universe is 13.8 billion years old?