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Sunny_sXe [5.5K]
3 years ago
14

Simplify. Your answer should contain only positive exponents. -2^х

Mathematics
1 answer:
polet [3.4K]3 years ago
8 0

Answer: I'm not entirely sure, but maybe 1/x^2?

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What uses numbers, variables and operations symbol?
Nutka1998 [239]
Sounds like "formulas"!  y = ax^2 + bx + c   involves the variable x and the constants {a, b, c}.  The "2" indicates "squaring function."
6 0
3 years ago
Solve the following proportion for x. 3/13 = x/5 Round your answer to the nearest tenth.
anastassius [24]

To solve, isolate the x. Cross multiply

3/13(13)(5) = x/5(5)(13)

3(5) = (13)x

Simplify

13x = 15

Isolate the x. Divide by 13.

13x/13 = 15/13

x = 15/13

x = 1.2

1.2 is your answer

hope this helps

8 0
2 years ago
In a bag, there are 25 marbles. 8 are red and the rest are green. If there are 100 marbles in. a bag, how many are red? *
Sophie [7]

Answer:

32 marbles are red.

Step-by-step explanation:

Think of a quarter, 4 of them equal a dollar.

25 x 4 = 100

So, you will multiply 8 by 4.

8 x 4 = 32

4 0
2 years ago
a camera sells for $100. this is $10 less than twice the price of the camera last year. what was the price of the camera last ye
Lesechka [4]

Answer:

55?

Step-by-step explanation:

110 would be the last year for two and then divide by two

8 0
3 years ago
A solution of salt and water is 20% salt. If 25% of the water is removed, what is the percentage of salt in the new solution?
Ratling [72]
So lets say that this salt and water solution consists of 100 liters.

Then that means 20 liters is salt, and 80 liters out of the 100 is water.



Now, we remove 25% of the water. 25% of 80 liters is 20 liters. So, we are left with 80-20, or 60 liters.



Now in all we have 20 liters of salt, and 60 liters of water.

The percentage of salt in the new mixture will be 20/(20+60) = 20/80 = 25%.



Your answer is 25%
4 0
3 years ago
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