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kakasveta [241]
3 years ago
10

Find the derivative by definition of the function 2x^3-x^2+4

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0
The answer is 6x^2-2x
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What is the solution to the system of equations graphed below y=-2x+4 y=x-5
Tpy6a [65]

Answer:

D. (3, -2)

Step-by-step explanation:

The point where both lines meet is the solution to the system of equations.

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3 years ago
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Yvette is starting a jewelry business. She spends $120 on supplies and makes 18 necklaces. She wants to earn a profit equal to 3
kiruha [24]

Yvette wants to earn a profit of $360, then. That means she has to make a total of $480. 480 divided by 18 is 26 and 2/3. That basically rounds up to $26.67.


480 = 18x


360 = 18x - 120


120(3) = 18x - 120


(I'm not that good at this, so don't take my word for it)

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3 years ago
A trapezoid is a quadrilateral with exactly one pair of parallel sides <br> A) true <br> B)False
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The answer is true to your question
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Is this triangle equilateral? yes​
Doss [256]
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2 years ago
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Solve the system algebraically.<br> 3x - 2y - 1 = 0 y = 5x + 4 <br> What is the solution?
Bogdan [553]

Answer:

x=\frac{-9}{7}

y=\frac{-17}{7}

Step-by-step explanation:

We have been given the equation:

3x-2y-1=0

And y=5x+4

Second equation can be rewritten as:

5x-y=-4

We will solve the equations:

3x-2y=1      (1)

5x-y=-4       (2)

Multiply equation (1) by 5 and equation (2) by 3 we get:

15x-10y=5      (3)

15x-3y=-12       (4)

Now, subtract (4) from (3) we get:

-7y=17

y=\frac{-17}{7}

Now substitute y=\frac{-17}{7} in equation (1) we get:

3x-2{\frac{-17}{7}}=1

3x+\frac{34}{7}=1

21x=-27

x=\frac[-27}{21}

x=\frac{-9}{7}




3 0
2 years ago
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