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ivann1987 [24]
3 years ago
7

James says,

Mathematics
2 answers:
Dima020 [189]3 years ago
6 0

-3^3 = -27

Step-by-step explanation:

Thats because -3^3 is (-3×3×3) not (-3×-3×-3) which we are multiplying a the constant not the the powers

Alborosie3 years ago
6 0

Jamie is right because when you cube a number, you multiply it by itself three times. And we know that when 3 negative numbers are multiplied are product will be negative.

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Which of the following is the midpoint between (-8, -1) and (-2, -5)?
Andrej [43]

last one (-5,-3)

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3 years ago
Solve the following equation. Show all your work.
horrorfan [7]
\dfrac{x}{x - 2} + \dfrac{x - 1}{x + 1} = -1

(x - 2)(x + 1) \times \dfrac{x}{x - 2} + (x - 2)(x + 1) \times \dfrac{x - 1}{x + 1} = -1(x - 2)(x + 1)

(x + 1)x + (x - 2)(x - 1) = -1(x - 2)(x + 1)

x^2 + x + x^2 - 3x + 2 = -x^2 + x + 2

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3x(x - 1) = 0

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Answer: x = 0 or x = 1



8 0
3 years ago
Which fraction represents the shaded part of the grid?
Alexxandr [17]

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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6 0
4 years ago
An expression is given that has a value between 4.44.4 and 4.54.5, and where xx represents an integer. ​ ​ \sqrt{x}+\sqrt{x} x ​
musickatia [10]

Answer:

x = 5

Step-by-step explanation:

Given

\sqrt x + \sqrt x = (4.4,4.5)

Required

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\sqrt x + \sqrt x = 4.4

This gives:

2\sqrt x = 4.4

Divide both sides by 2

\sqrt x = 2.2

Square both sides

x = 2.2^2

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\sqrt x + \sqrt x = 4.5

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Divide both sides by 2

\sqrt x = 2.25

Square both sides

x = 2.25^2

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x = (4.84,5.0625)

The only integer between the above interval is 5.

Hence:

x = 5

5 0
3 years ago
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