Consider posting each question separately, please.
Given <span>-2.8k-4.31=-15.79 :
1) Isolate the "k" term on the left by adding 4.31 to both sides of this equation.
2) Simplify the right side.
3) Divide both sides by -2.8 and you'll have the answer: k = ?</span>
Whats the question because I can probably help you
First you would start getting the denominators to the same number and you could do this by multiplying 9/10 by 4, and 7/8 by 5 to get the denominators to 40 and when you add the fractions you get 71/40 so the answer would be D. About 2
If you would like to know the mass of the kettle when it is empty, you can calculate this using the following steps:
2900 grams - 2050 grams = 850 grams (half of water)
2050 grams - 850 grams = 1200 grams (no water)
The correct result would be 1200 grams.
Answer:
chemical formula for silver sulfate Ag2SO4