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prisoha [69]
3 years ago
10

A chemist has 0.2 liters of an acid solution whose acid concentration is 65%. How many liters of pure water should be added to l

ower the concentration to 50%?
Mathematics
1 answer:
lorasvet [3.4K]3 years ago
4 0

Answer:

0.06

Step-by-step explanation:

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Lemon goes to the store and buys a game station for $25. The store is running a discount of 15%. What is the price of the game s
TEA [102]

Answer:

$21.25

Step-by-step explanation:

1. Convert the 15% to a decimal by dividing by 100.     15 ÷ 100 = 0.15

2. Multiply the $25 by the decimal of 15%.                    25 × 0.15 = 3.75

3. Subtract your previous answer (3.75) from the original price of the game station.        25 - 3.75 = 21.75

4. Therefore the price of the game station after the discount is $21.75.

7 0
3 years ago
Please I need to get this done by tomorrow
Alenkinab [10]

Answer:

i think it is 8

4 0
3 years ago
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A boat traveled 27 miles in 2 hours. At this rate, how many miles will the boat travel in
Art [367]
6.75 miles per half hour !!!!!!!
7 0
3 years ago
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What is equivalent to 3 radical 8
liq [111]

Answer:

C. 8^x/3

Step-by-step explanation:

According to algebraic principles, if n is the root of a number, then that number to the power of 1/n is equal to it. This would mean that n√a = a^1/n.

This would mean that 3√8 = 8^1/3. When there is a power added to a radical expression such as this, that power will go on the denominator. So (3√8)^2 for example is equal to 8^2/3, and in your case, (3√8)^x = 8^x/3

looking back on the fact that this was added 2 days ago i dont think this helped on your quiz

6 0
4 years ago
What is the answer to this and how do I do this problem?
DaniilM [7]

Answer:

  B) 25.1 units

Step-by-step explanation:

The perimeter is the sum of the lengths of the sides of the triangle. The length of the side BC that is vertical can be found by finding the difference of y-coordinates:

  BC = 5 -(-2) = 7

The lengths of the other two sides can be found using the given distance formula. Fill in the coordinate values and do the arithmetic.

  AB = √((4-(-4))^2 +(5-(-1))^2) = √(8^2 +6^2) = √(64+36)

  AB = √100 = 10

__

  AC = √((4-(-4))^2 +(-2-(-1))^2) = √(8^2 +(-1)^2) = √(64 +1)

  AC = √65 ≈ 8.06

__

So, the perimeter is ...

  P = AB +BC +AC

  P = 10 + 7 + 8.06 = 25.06 ≈ 25.1 . . . . matches choice B

5 0
3 years ago
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