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kykrilka [37]
3 years ago
7

Please help! A chemist has 100ml of 25% acid solution. How much of the solution does she need to drain and replace with 70% acid

solution to obtain 100ml of 60% acid solution?
Mathematics
1 answer:
ratelena [41]3 years ago
7 0

Answer:

77.78

Step-by-step explanation:

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Divide and write your answer in simplest form.<br> 4 ÷ 1/2
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The rectangular prism shown has a volume of 10 cubic centimeters, = 1 cm3 Choose all the rectangular prisms that also have a vol
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Answer:

B and C

Step-by-step explanation:

We are given a rectangular prism that consists of 10 cubes. Each cube = 1 cm³. The volume of rectangular prism given = 10cm³.

Let's find out which of the options has same volume (10cm³) as that of the given rectangular prism.

Option A has 15 cubes = 15 cm³ in volume

Option B has 10 cubes = 10 cm³ in volume

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4 0
2 years ago
The difference between rational and irrational
makvit [3.9K]

Answer:

Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number. However, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

Step-by-step explanation:

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Read 2 more answers
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kodGreya [7K]

Answer: The correct answers are $45.15, $247.25 and $129

Step-by-step explanation:

In order to solve the problems you need to multiply each percentage by his gross monthly pay.

$2,150 x .021 = $45.15

$2,150 x .115 = $247.25

$2,150 x .06 = $129

4 0
2 years ago
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