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Alexus [3.1K]
3 years ago
5

What are the values of x in the equation x(x-6)=4(x+6)?

Mathematics
1 answer:
Kitty [74]3 years ago
5 0
x(x-6)=4(x+6)\\
x^2-6x=4x+24\\
x^2-10x-24=0\\
x^2+2x-12x-24=0\\
x(x+2)-12(x+2)=0\\
(x+2)(x-12)=0\\
x=-2 \vee x=12
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7.2 is larger than 72×10-4 and this is also larger than 00.72

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2 years ago
A website had 826, 140 hits last month what is the value of the 8 in 826,140
Angelina_Jolie [31]

800,000 or eight hundred thousand.

<h3>Further explanation</h3>

<u>Problem:</u> The given number is 826,140.

<u>Question:</u> What is the value of the digit 8?

<u>The Process:</u>

This is a problem with place value.

Let us set the place values from 826,140 consecutively as follows.

  • In the thousands period: 8 hundred thousands, 2 ten thousands, 6 one thousands.
  • In the units period: 1 hundreds 4 tens 0 ones.

Let us say in word form: eight hundred twenty-six thousand six hundred forty.

Hence, the value of the 8 in the numbers 826,140 is 800,000 or eight hundred thousand.

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<u>Extra:</u>

What is the value of the digit 6 in the numbers 826,140? The answer is 6,000 or six thousand.

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<u>Notes:</u>

Recall that the digits in large numbers are in groups of three places, i.e.,

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The groups are called periods, i.e.,

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Commas are typically used to separate the periods.

<h3>Learn more</h3>
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Keywords: a website had 826,140 hits last month, what is the value of the 8, digit, the units period, a large number, standard form, millions, thousands, hundreds, tens, ones, the place value

3 0
3 years ago
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6 0
2 years ago
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valentina_108 [34]

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