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luda_lava [24]
3 years ago
7

Ly. 8 - 2x4 Factor completely

Mathematics
1 answer:
scZoUnD [109]3 years ago
4 0

Answer:A2 - b 2=(a + b) ( a - b) where a =2 and b =x2.

              2(2 + x2) ( 2 - x2)

Step-by-step explanation:

Since both terms are perfect squares, factor using the difference of squares formula,

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5/6 - 1/2 = ?<br><br>A. 1/4<br><br>B. 1/3<br><br>C. 3/4<br><br>D. 2/3<br>​
zheka24 [161]
5. . 1
---- - -----
6. . 2


5. . 3
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6. . 6


5-3
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= 1/3

B
3 0
3 years ago
Why do some numerical expressions contain parentheses
Elden [556K]

The most basic and common reason to use parentheses, brackets, and braces is to control the order of operations.

<h3>What are parentheses?</h3>

In mathematics, parenthesis is used to arrange numbers in the sequence of operations, clarify numbers, and denote multiplication.

Suppose you have an expression as:-

E = { ( 5-2 )8} 6

In this case, you would calculate 5 minus 2 first (parentheses), then multiply by 8 (brackets), then complete the part inside the curly braces, and finally multiply by 6.

Therefore the most basic and common reason to use parentheses, brackets, and braces is to control the order of operations.

To know more about parentheses follow

brainly.com/question/1778745

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6 0
2 years ago
What times what equals -4.75 but added together equals -9
ladessa [460]
-9.5 and 0.5
There isnt really a method of finding this, trial and error
5 0
3 years ago
Find the value of the trigonometric ratio. Simplify the ratio if possible.
bonufazy [111]

Answer:

in this tiangle tanA = 8/15

5 0
3 years ago
Kay earns $78,400 per year. She takes a standard deduction of $5,700 and pays tax at a 21% rate. What is the amount of Kay's inc
Alex787 [66]

Answer:

$15,267

Step-by-step explanation:

Kay earns $78,400 per year and gets a standard deduction of $5,700.

Her taxable income is amount of money that she can pay tax on and that is:

Income - Standard Deduction

= $78,400 - $5,700 = $72,700

She pays tax at a 21% rate, hence, her income tax is:

\frac{21}{100} * 72,700

= $15,267

Her income tax is $15,267.

6 0
3 years ago
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