Questions by Badiya

Questions by Badiya

What is the solution to the equation 9^(x+1) =27

asked Jul 13, 2020

2 answers

1 vote

175k views

According to the second law of thermodynamics, which is a requirement for thermal energy to flow from colder objects to hotter objects? Thermal expansion must occur in the system. Convection must occur

asked Jun 3, 2020

1 answer

3 votes

105k views

Anarobic exercise does not require the body to use an extra oxygen. True or false?

asked Feb 13, 2020

2 answers

5 votes

40.8k views

Class A has 25 pupils and class B has 21 pupils. Both classes sit the same maths test. The mean score for class A is 78. The mean score for class B is 80. What is the mean score (rounded to 2 DP) in the

asked Oct 21, 2019

1 answer

1 vote

154k views

A ball is launched into the sky at 272 feet per second from the roof of a skyscraper 1,344 feet tall. The equation for the ball’s height h at time t seconds is h = -16t2 + 272t + 1344. When will the ball

asked Jan 3, 2019

2 answers

4 votes

224k views

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