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eduard
2 years ago
10

Solve the problem correctly and show ur work 1 . 3/5 ( 15x + 30 )

Mathematics
2 answers:
vladimir2022 [97]2 years ago
7 0

Answer:

9x + 18

Step-by-step explanation:

\frac{3}{5} ( 15x + 30 )

9x + 18

Flura [38]2 years ago
5 0

Answer:

9(x + 2)

Step-by-step explanation:

3/5(x+30)

multiply fractions

3(15x + 30)/5

factor 3(15x + 30) = 45(x + 2)

divide the numbers

45(x + 2)/5

45/5=9

= 9(x + 2)

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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

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Now expand the brackets with the formula:

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

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

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Plug known variables in:

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

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y = 49

So the y coordinate of the vertex is 49.

Hope this helps!

4 0
3 years ago
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