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mario62 [17]
4 years ago
8

Is a positive integer raised to a negative power always positive

Mathematics
1 answer:
Evgesh-ka [11]4 years ago
3 0

Answer:

Yes

Step-by-step explanation:

Many students gets confused with these exponential problems, they often get misguided but understand that there is nothing to be confused of.

When you have a negative number, you just take the reciprocal of the whole exponent number.

What is a reciprocal?

Let's take an integer for example, let's take the number 3.

The reciprocal for 3 is (1/3)

Let's take an other number, let's take 2/3

The reciprocal for 2/3 is (3/2)

In conclusion, we just reverse the denominator and the numerator or just switch it.

We take 3 as (3/1) and that is the reason, the reciprocal would be (1/3)

Now, coming to the negative integers. Taking an example:

(2)⁻¹

This would be become (1/2¹) = (1/2)

Hence, the result of a negative integer is positive but would be a fraction.

Hope I helped!


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Answer:

The solution to the system of equations is:

x = 2, and y = -1

Explanation:

Given the pair of equations:

4x + 5y = 3 ..........................................................................(1)

2x + 3y = 1............................................................................(2)

To solve this by elimination:

Multiply equation (2) by 2, to eliminate x

Equation (2) becomes

4x + 6y = 2 .........................................................................(3)

Subtract equation (1) from (3)

4x - 4x + 6y - 5y = 2 - 3

y = -1 ....................................................................................(4)

Multiply equation (1) by 3 and equation (2) by 5 to eliminate y

Equation (1) becomes

12x + 15y = 9 .......................................................................(5)

Equation (2) becomes

10x + 15y = 5 ........................................................................(6)

Subtract equation (6) from (5)

12x - 10x + 15y - 15y = 9 - 5

2x = 4

Divide both sides by 2

x = 4/2 = 2 ............................................................................(7)

From equations (7) and (4)

x = 2, and y = -1

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1 year ago
WILL GIVE BRAINLIEST! PLEASE HELP!
Rus_ich [418]
The answer is y=(1/9)x + 60
4 0
3 years ago
I need help I have no clue what to do !
Alla [95]

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Step-by-step explanation:

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4 years ago
(81x^12)3/4 rewrite in the form ax^n
Vanyuwa [196]

Answer:

243/4(x^12)

Step-by-step explanation:

81x^12 x 3/4 = 243/4(x^12)

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4 years ago
A shipping container will be used to transport several 100-kilogram crates across the country by rail. The greatest weight that
lora16 [44]

Answer:

x ≤ 204 crates

Step-by-step explanation:

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