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2 years ago

Help solve this real quick I appreciate it

Mathematics

1 answer:

solong [7]2 years ago

3 0

Answer:

Step-by-step explanation:

You can't do anything in the parenthesis because there is no like terms so you go on to multiplication.

You multiply 2x^5 and 3x^3

When you multiply numbers with exponents you add the exponents and multiply the numbers so you should end up with 6x^8

After that you multiply the y's

Every number at least has an exponent to the first so the y with out an exponent has an invisible one that's to the first power

So when multiplying the y's you add the 3 and the invisible exponent which should then equal y^4

Your final product will end up being 6x^8y^4

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What is the value of c in the equation y = 4x^2 -10x + c if the y-coordinate of the vertex is -7

love history [14]

Answer: $c=-\frac{3}{4}$

Step-by-step explanation:

Find the x-coordinate of the vertex with this formula:

$x=\frac{-b}{2a}$

In this case:

$a=4\\b=-10$

Substituting values, we get:

$x=\frac{-(-10)}{2(4)}=\frac{5}{4}$

Now we can substitute the coordinates of the vertex into the equation $y = 4x^2 -10x + c$ and then solve for "c".

Then:

$-7 = 4(\frac{5}{4})^2 -10(\frac{5}{4}) + c\\\\-7+\frac{25}{4}=c\\\\c=-\frac{3}{4}$

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raketka [301]

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Inessa05 [86]

Answer:

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Step-by-step explanation:

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