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Elena-2011 [213]

3 years ago

12

Which inverse operation would be used to verify the following equation?

2 answers:

sveticcg [70]3 years ago

8 0

Another one is 34 times 3

Mama L [17]3 years ago

3 0

Answer:

C. 34x3 would be you answer

Step-by-step explanation:

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Determine the equation of the polynomial, p(x),in both factored and standard form.

melamori03 [73]

We can see that the graph touches $x=-1$ without crossing the x-axis (i.e. it is a double solution), and then there's another zero at $x=2$ (this time it's a crossing zero, so a single solution).

This leads, up to multiple, to the polynomial

$p(x)=a(x+1)^2(x-2)$

If we impose the passing through $(0,4)$ we have

$p(0)=4=a(1)(-2) \iff -2a=4 \iff a=-2$

So, the polynomial is

$p(x)=-2(x+1)^2(x-2)=-2 x^3 + 6 x + 4$

Finally, to solve $p(x)$ , simply look at the graph, searching for the points, where the graph is below the x-axis. You can see that this happens only if $x>2$ , so that's the solution to your question.

4 0

2 years ago

How do you write an expression for Z cubed?

melomori [17]

Answer:

z^3

Step-by-step explanation:

Z cubed is Z X Z X Z = Z^3

8 0

3 years ago

Gia bought a computer that was 20% off the regular price of $1,280. If a 9% sales tax was added to the cost of the computer, wha

garik1379 [7]

1280*.8=1024
1024*1.09=1116.16
Tax is the last thing added, savings before tax since

8 0

2 years ago

Read 2 more answers

Find the missing side of the triangle. leave your answer in simplest radical form

KIM [24]

missing side is $x} = 10.15$ mi .

<u>Step-by-step explanation:</u>

Here we have the following info from the figure: A right angled triangle with following dimensions

$Perpendicular = x$

$base = \sqrt{122}$

$Hypotenuse = 15$

By Pythagoras Theorem :

$Hypotenuse^2 = Perpendicular^2 + base^2$

⇒ $Hypotenuse^2 = Perpendicular^2 + base^2$

⇒ $15^2 = x^2 + (\sqrt{122})^2$

⇒ $225 = x^2 + 122$

⇒ $x^2 = 225-122$

⇒ $x^2 = 103$

⇒ $(x^2)^\frac{1}{2} = (103)^\frac{1}{2}$

⇒ $x} = (103)^\frac{1}{2}$

⇒ $x} = 10.15$

Therefore, missing side is $x} = 10.15$ mi .

8 0

2 years ago

Three friends bought 4, 6, and 8 books. The table shows the cost of the books. What is the constant of proportionality? 2 7.5 15

Svetach [21]

Your anwser would be 8

6 0

3 years ago

Read 2 more answers