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fomenos
3 years ago
6

WILL MARK BRAINLIEST AND 20 POINTS Determine algebraically whether each of the following functions is even, odd, or neither. f(x

) = x^2 - x
Mathematics
1 answer:
Alex787 [66]3 years ago
6 0

Answer:

Neither

Step-by-step explanation:

The function is neither because if it was even it would follow the rules of:

f(-x)=f(x)

and if it was odd it would follow the rules of:

-f(x)=f(-x)

but instead it follows the rule:

-f(x)\neq f(-x))\\

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Diego says that the product of 0.51 x 2.427 will have five decimal places. is Diego correct.
zlopas [31]
Yes. There are 2 decimal places in .51 and 3 in 2.427. 
So there would be a total of 5 decimal places.
5 0
4 years ago
Read 2 more answers
Brand Y Cola sponsors a survey of 15,559 residents of Texas to determine which brand of cola they prefer. Forty percent say they
Triss [41]

Answer:

6224 Brand X residents and 9335 Brand Y residents

Step-by-step explanation:

Total number of residents in the survey=15559

Residents that prefer Brand X=40%

Residents that prefer Brand Y=60%

<u>Population sample?</u>

Residents that prefer Brand X= 40/100 ×15559 =6223.6⇒6224 residents

Residents that prefer Brand Y= 60/100 × 15559 =9335.4⇒⇒9335 residents

3 0
3 years ago
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Solve this quadratic equation by completing the square <br> x^2+6x=18
cestrela7 [59]

Answer:

( x + 3 )² - 27

Step-by-step explanation:

x² + 6x = 18

→ Minus 18 from both sides to get a quadratic equation

x² + 6x - 18

⇒Completed square from is ( x + a )² + b

⇒The value of 'a' will always be half the 'b' value in the equation

ax² + bx + c

→( x + 3 )² + b

Expand out the equation to find 'b'

x² + 6x + 9

We have do something to get from 9 to - 18 which -27

So the answer is ( x + 3 )² -27

4 0
3 years ago
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Charlotte has 85 stickers. Her brother has x times more stickers than her. Write
sergiy2304 [10]

Step-by-step explanation:

Her brother has 85 * x stickers.

8 0
3 years ago
Solve this equation with substitution method :-<br> x+5 = 3 (y+5)<br> x-5 = 7 (y-5)
Damm [24]
From the first equation,
x+5 = 3(y+5)
x = 3y + 15 - 5
Now substitue x in the second equation with (3y +15 - 5).
x-5 = 7(y-5)
(3y+15-5) - 5 = 7(y-5)
3y +5 = 7y - 35
-4y = - 40
y = 10

Since y is 10, and x is (3y +15 - 5),
x = 30 + 15 - 5 = 40
5 0
3 years ago
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