OP= 27. 6
Step-by-step explanatexplanation:
In triangle OPQ: Ô+P+Q =180
therefore <P= 6°
OQ= OP sinsinà
OP= OQ/ sinà
OP= 2.9/ sin6°
OP= 27.7 ft
using pythagoras
OP^2 = PQ^2 + OQ^2
PQ= sqrt( 27.74^2 - 2.9^2)
PQ= 27.27.6
How much of each solution should the teacher mix together to get 105 ML of 60% sugar solution for an experiment?
1. Look at how 60% is closer to the solution of lower concentration (50%). You can deduce that you will be mixing a higher volume of the 50% solution.
2. All 4 answers add up to 105ml.
3. The intuitive answer is the first option:
70 ML of the 50% solution and 35 ML of the 80% solution
4. Let's check whether point 3 is true.
70ml/105ml X 0.5 + 35ml/105ml X 0.8 = (35 + 28)/105= 63/105= 60% / 105 ml = 105ml of 60% sugar solution
Answer:
-(9)(-3) is the greater product
Answer:
12 Pencils Sharpened
Step-by-step explanation:
Since the sharpener receptacle is emptied out 2 times every day.
Do 24*2 to get 48 pencils sharpened each day.
Now do 48/20 to get how many pencils a single person sharpens each day. Resulting in 2.4 pencils each day for 1 person.
Multiple 2.4 by 5 (Amount of days) to get 12 pencils in 5 days.
