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tiny-mole [99]
3 years ago
10

Find Dxy using the rules for finding derivatives. =(5x^2−8)(9x^2−3x+5)

Mathematics
1 answer:
kirza4 [7]3 years ago
4 0
You can do foil method first, to make it easier and to avoid product rule,
y= 45x^4 - 15x³ + 25x² - 72x² + 24x - 40
Simplify like terms,
y= 45x^4 - 15x³ - 47x² + 24x - 40
Now, find derivative,
dy/dx  = 180x³ - 45x² - 94x + 24 

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Which expression does not belong with the other three?
natka813 [3]

It's a little hard to tell from the gibberish in the choices but let's go with

Answer: 7 + 6yz

which is of second degree in its variables and has two variables.  That's two differences than the first three, which are first degree univariate.

3 0
3 years ago
Triangle abc has the following vertices:
Illusion [34]

9514 1404 393

Answer:

  no

Step-by-step explanation:

It is impossible to plot an equilateral triangle on a coordinate grid using integer coordinates. The given triangle may be close, but <em>cannot be an equilateral triangle</em>.

4 0
3 years ago
What is the value of log279?<br> -3/2, -2/3, 2/3, 3/2
kaheart [24]

Answer:

2/3

Step-by-step explanation:

log27(9)

Factor the number: 27=3³

= log3³(9)

Apply log rule: loga^b(x) - 1/b loga(x).

log3³(9) =1/3 log3³(9)

=1/3 log3³(9)

Factor the number: 9=3²

=1/3 log3³(3²)

Apply log rule: loga(a^b) =b

log3 (3²) =2

1/3×2

=2/3

3 0
2 years ago
Find the sum of (x+5) and (2x+3)
telo118 [61]
X+5+2x+3
=3x+8

hope that was helpful! 
5 0
3 years ago
Read 2 more answers
Which table does not represent a relationship that is directly proportional? Btw i clicked a by accident
Ad libitum [116K]

Answer:

The selected option

Step-by-step explanation:

Coincidentally, you answered correctly.

From the values of 3 and five, we can assume that the function of the table is Y=x+2.

But if we move to the next value pairs, that function is false.

10=6+2 that isn't correct.

If you apply this to all the pairs in the table you will find that there is not a function that represents the values given. Therefore, the first option is correct.

3 0
3 years ago
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