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Sphinxa [80]
3 years ago
9

Find the product.

Mathematics
1 answer:
kozerog [31]3 years ago
8 0
-2b^2(3b^2-4b+9)
-6b^4+8b^3-18b^2
The answer is the second one down
Hope this helps!
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K means vs k medoids are the same when data set is large
Hitman42 [59]
<span>K-means clustering is a data mining learning algorithm used to cluster observations into groups of related observation without any prior knowledge of those relationships. 
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6 0
3 years ago
What is the solution to this equation? √x=7 A. x=√ 49 B. x=√7 C.x=14 D. x= 49
IgorLugansk [536]
Let's not look at the option and try to solve it.
√x=7
Let's look at this. Square roots are the number that is multiplied by itself to make that number. For example, 2 is the square root of 4, 3 is the square root of 9.
We need to multiply 7 by itself to find x.
7×7=49
So, D. =49.

8 0
3 years ago
Read 2 more answers
You saved $35 to buy two books. The first book cost an unknown amount and the second book cost $24. If you don't have any money
vovangra [49]

Answer:

$11 Dollar

Step-by-step explanation:

35 - 24 = 11

5 0
2 years ago
A table is on sale for $403, which is 38% less than the regular price. what is the regular price
Nesterboy [21]
1060.5263157 etc your teacher prob tells you to round 
4 0
3 years ago
What is the y value of the vertex of the function f(x)=-(x-3)(x+11)
AnnyKZ [126]

Answer:

49

Step-by-step explanation:

Because there is a minus sign infront of x-3, we can convert x-3 into the negative form:

- * x

- * -3

-x + 3

Which gives us:

(-x + 3)(x + 11)

Now expand the brackets with the formula:

(a + b)(c + d) = ac + ad + bc + bd

-x * x = -x²

-x * 11 = -11x

3 * x = 3x

3 * 11 = 33

-x² - 11x + 3x + 33

-x² - 8x + 33

The formula for finding the x coordinate of a vertex in a quadratic equation is:

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

Plug known variables in:

x = \frac{-(-8)}{2(-1)}

x = \frac{8}{-2}

x = -4

Now, to find the y coordinate, plug this variable back into the quadratic equation:

-x² - 8x + 33

y = -(-4^2) - (32) + 33\\y = -16 + 32 + 33\\\\

y = 49

So the y coordinate of the vertex is 49.

Hope this helps!

4 0
3 years ago
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