You have to choose 
members from the group of 
people. So there are 
ways to do it.
The porter family is moving from Baltimore, Maryland, to San Francisco, California. They would like to know what the difference
2 answers:
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Answer:
Option C is the correct choice.
Step-by-step explanation:
We are given the coordinates of rectangle and we are asked to find the correct option that describes that diagonals JL and KM are congruent.
Since we that a rectangle have four right angles.
We will use Pythagorean theorem to prove that diagonals JL and KM are congruent.
In triangle KLM we can see that KL is b units long and LM is a units long. By Pythagorean theorem
In triangle JML we can see that JM is b units long and LM is a units long. By Pythagorean theorem
Therefore, we can see that and option C is the correct choice.
Try, please, this:
1) Imagine, that pharmacist used 'x' gr. of 40% solution and 'y' of 70% solution.
Together (20 gr. of 52% sol.) it will be x+y=20.
2) From other side, the pharmacist combined 40x and 70y gramms, after obtaining together it is 52(x+y) gramms. In other words 40x+70y=52(x+y)
3)
Answer: 8 gr. of 70% solution and 12 gr. of 40%.
1) Imagine, that pharmacist used 'x' gr. of 40% solution and 'y' of 70% solution.
Together (20 gr. of 52% sol.) it will be x+y=20.
2) From other side, the pharmacist combined 40x and 70y gramms, after obtaining together it is 52(x+y) gramms. In other words 40x+70y=52(x+y)
3)
Answer: 8 gr. of 70% solution and 12 gr. of 40%.