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ohaa [14]
2 years ago
10

Solve the equation. 4x - 3/5 = 2/5 A. 1/5 B. 5/5 C. 1/2 D. 1/4

Mathematics
2 answers:
barxatty [35]2 years ago
8 0
The answer is D. you add the 3/5 to the other side to get 1. and then you divide one and 4x to get 1/4.
schepotkina [342]2 years ago
6 0
4x - 3/5 = 2/5
Add 3/5 to both sides
4x= 5/5 or 1
Divide 4 on both sides
Final Answer: x= 1/4

The correct answer is D. 1/4
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Which number is the best approximation for 52‾√+23‾√?
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Answer: 9.9 Original answer is 10.5

Step-by-step explanation:

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2 years ago
What weight of dry substance is in 150g of a 3% substance solution? What weight of an 8% solution can we have with the same weig
Pavlova-9 [17]
The answers are: 4.5 g and 56.25 g respectively.

Since the first type of measurement in this question is weight or mass, I'll suppose that the percentage concentration is % mass/mass. For that type of concentration measurement, just multiply the percentage by the total mass to get the mass of the wanted material.
So 150 g * 3% = 150 g * 0.03 = 4.5g

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5 0
2 years ago
Please help meeee !!
katrin [286]

Answer:

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3 0
3 years ago
Deanna gets 3 problems incorrect on a math quiz. Her score is 85%. How many questions are on the quiz?
Vilka [71]

Answer:

20 questions.

Step-by-step explanation:

Let  x  be the number of questions on the quiz.

85 %  means  85  out of  100  (or  85/ 100  )

85/ 100   = 3/x

--->100-85=15

--->15/3=5

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Meaning each question was worth 5% and there were 20 questions.

5 0
3 years ago
How do I figure out the value of 187
nasty-shy [4]
This differs on what number you want to talk about. 1 is the hundreds, 8 is the tenths, 7 is the ones. 
5 0
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