Questions by Kefs

Questions by Kefs

The amount of energy needed for a reaction to take place is the activation energy enzymes can lower the activation energy of a chemical reaction which of the following describes a way that process could

asked Aug 22, 2019

1 answer

4 votes

96.2k views

What is the area of a parallelogram with a base of 15 centimeters and height of 12 centimeters?

asked Oct 18, 2018

2 answers

0 votes

64.1k views

A box with a square base has sides of 5" and is 8" tall. What is its volume?

asked Oct 14, 2018

1 answer

2 votes

188k views

Please help in physics

asked Jul 27, 2018

1 answer

2 votes

16.4k views

Explain in detail how to add and regroup 28+5

asked Nov 7, 2017

2 answers

1 vote

11.3k views

Add the following polynomials: 3a3 + 8a - 6 and 4a2 - 9a + 11

asked Sep 1, 2017

2 answers

0 votes

78.9k views

The ratio of the perimeters of two rectangles is 4 to 7. The perimeter of the larger rectangle is 42 inches. What is the perimeter of the smaller rectangle? A. 10.5 inches B. 73.5 inches C. 28 inches D.

asked Apr 4, 2017

1 answer

2 votes

69.1k views

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