3 years ago

Two Algebra questions^^^

Mathematics

1 answer:

guapka [62]3 years ago

4 0

5 = c. infinite.
6 = I don't know. sorry!!
Hope this helps!!

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A chemist has 10% and 40% solutions of acid available. How many liters of each solution should be mixed to obtain 120 liters of

kaheart [24]

Answer:

100 liters of 10% solution is used and 20 liters of 40% solution is used

Step-by-step explanation:

Let "X" amount of 10% solution is used. Then the amount of 40% solution used is equal to 120-X

Now

10% of X + 40% of (120-X) = 15% of 120

On solving the above equation, we get

$0.1 X + 0.4 (120-X) = 0.15 *120\\0.1 X + 48 -0.4X = 18\\0.3 X = 30\\X = 100$ liters

Amount of 40% solution used = 120 -X = 120-100 = 20 liters

100 liters of 10% solution is used and 20 liters of 40% solution is used

7 0

2 years ago

Javier had $1.30. He wants to split the money between himself and nine friends. Which equation shows how he could divide the mon

Reil [10]

B because it u and 9 friends each want the same amount from splitting 1.30 which gives you .13

3 0

3 years ago

Read 2 more answers

-2 > m/6 - 7 whats The answer?

Verdich [7]

Answer:

m<30

Step by Step:

simplify m over 6

7 0

3 years ago

-2.8f+0.4f-11-4=? <br><br><br><br> HELP

Alexxandr [17]

<h2>Answer: −2.4f − 15</h2><h2>_____________________________________</h2><h3>Honey, just simplify the expression to get your answer.</h3><h3>−2.4f − 15</h3><h2>_____________________________________</h2>

Hope you have a good day, Loves!~ <3

6 0

2 years ago

8c - c +6=48. How do I explain this with words?

N76 [4]

8c -c= 7c
7c+6=48
7c=42
c=6

CHECK:
8(6)-(6)+6=48
48-6=42
42+6=48
48=48

4 0

3 years ago