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ad-work [718]
3 years ago
8

Expand and simplify: 3x(2x-3)^2 - (x+4)

Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0
3x(2x-3)^2 - (x+4)=\\
3x(4x^2-12x+9)-x-4=\\
12x^3-36x^2+27x-x-4=\\
12x^3-36x^2+26x-4
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Is the following statement a good definition? Why? An integer is divisible by 100 if and only if its last two digits are zeros.
nikitadnepr [17]

The given statement is An integer is divisible by 100 if and only if its last two digits are zeros.

The two conditional statements that can be made are:

1) If an integer is divisible by 100 its last two digits are zeros.

This is a true statement. If a number is divisible by 100, it means 100 must be a factor of that number. When 100 will be multiplied by the remaining factors, the number will have the last two digits zeros.

<h3>What happen when last two digit of the number are 0?</h3>

2) If the last two digits of an integer are zeros, it is divisible by 100.

This is also true. If the last two digits are zeros, this means 100 is a factor of the integer. So the number will be divisible by 100.

Therefore, the two conditional statements that are formed are both true.

So, option A is the correct answer.

Yes, it is. When the definition is separated into two conditional statements, both of the statements are true.

To learn more about the integer visit:

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4 0
2 years ago
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Which expression is equivalent to -8?
torisob [31]

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3 years ago
If cos 0 = 3/radical 22 and angle 0 is in Quadrant I, what is the exact value of tan 20 in
Sloan [31]

Answer:

tan θ = (√13)/3

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3 years ago
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11Alexandr11 [23.1K]

Answer:

±625

Step-by-step explanation:

\sqrt{25 x 625 x 25}

\sqrt{390625}

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A. 
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