A chemist is mixing one solution that is 32% sodium and another solution that is 12% sodium how many liters of each type should the chemist use to produce 50 l of the solution that is 20% sodium

Answers

Answer 1

Answer: In order to solve the amount of each solution, we need to set up equations. We do as follows:

Let x = solution with 32% sodium
y = solution with 12% sodium

Overall balance
x + y = 50

Component balance
.32x + .12y = 50(.20) =10

Solving simultaneously,

x = 20
y = 30

Hope this answers the question. Have a nice day.

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stephanie has the same number of dimes and nickels. she has $6.10 in all. what an equation that you could use to find the number of dimes and nickes

Answers

Equation: 5x + 10x = $6.10

D=8 plss help me?!?!?!

Answers

all you have to do is 5(8)-25/5 , which means you have to multiple 5x8 -25/5
to get 3..

Answer:

Step-by-step explanation:

Since D=8, you input it in

5(8)-25/5=

5(8)=40

40-25= 15

15 divided by 5 is 3

How many yards of a carpeting that is 26 inches wide will be needed to cover a ﬂoor thatis 12ft by 13ft?

Answers

How many yards of a carpeting that is 26 inches wide will be needed to cover a ﬂoor that
is 12ft by 13ft?

12ft = 144in
13ft = 156in

144in × 156in= 22464in²
(12ft) × (13ft) = (156ft²)

22464in² ÷ 26in = 864in needed

2. A dice is rolled. A card is drawn from a deck of face cards (i.e. only Jack, Queen, King of each suit). A coin is flipped. a) Draw a tree diagram to define the sample space for this game. b) You win the game if you toss tails, draw a heart, and roll an even number. Find the probability that you do not win.

Answers

When you roll and even number, the probability of winning is 3/6 or 1/2.
When you want to draw a heart:
The sample space is 12. That is 3 faces and 4 suits. There are 4 hearts in this deck. The probability you get a heart is 4/12 or 1/3.
When you want to toss a tail:
Sample space is 2, head and tail. You do not win if you get a heads. The probability is 1/2. The probability of winning is 1/2 * 1/3 * 1/2 = 1/12 Then the probability of losing is 1-1/12 = 11/12

What is 0.091 written as a percent?