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tia_tia [17]
3 years ago
11

How to turn this equation: y= -1.02(x-3)^2+9.25 into factored form

Mathematics
1 answer:
kicyunya [14]3 years ago
8 0

Answer:

x^2-6x+17.23

Step-by-step explanation:

y= -1.02(x-3)^2+9.25

multiply (x-3)(x-3)

you get -1.02+x^2-3x-3x+9+9.25

solve x^2-6x+18.25

                     -1.02

answer x^2-6x+17.23

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BRAINLIEST ASAP! PLEASE HELP ME :)
aleksandrvk [35]

Answer:

Two  

Step-by-step explanation:

The table is saying that, if Sandra swam enough races, she should expect to get 20 firsts, 12 seconds, 6 thirds, and two no placements.

Her expected value of points will be the average (mean) of all the points awarded for each race.

The average is the total number of points divided by the number of races.

\begin{array}{cccl}\textbf{Points} &  & \textbf{Total}\\\textbf{Awarded} & \textbf{Frequency} & \textbf{Points}\\3 & 20 & 60\\2 & 12 & 24\\1 & 6 & 6\\0 & 2 & 0\\\textbf{TOTAL} & \mathbf{40} & \mathbf{90}\\\end{array}

The simulation says that, if she swam 40 races, she should expect to earn a total of 90 points.

\text{Average} = \dfrac{\text{Total points}}{\text{Number of races }} = \dfrac{\text{90}}{\text{40}} =\textbf{2.25 points/race}

She can't win a fraction of a point, so she can expect to win two points in her first race.

5 0
3 years ago
Solve the following system for all solutions:
Burka [1]

Answer:

If  

t

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5

2

then  

x

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−

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7 0
3 years ago
Which expression is equivalent to 7h^2-252k^2?
gulaghasi [49]

Answer:

c

Step-by-step explanation:

252 = 7 *36

36 = 6 *6 = 6²

a² -b²  = (a + b)(a - b)

7h² - 252k² =  7(h² - 36k²)

                   = 7(h² - [6k]² )

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6 0
3 years ago
Read 2 more answers
Are 6:5 And 17:5 equivalent
Andrews [41]

Answer:

no

Step-by-step explanation:

5 0
2 years ago
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How do you solve -1x+20 is greater than -7+35
rusak2 [61]

\huge\fbox{Hello~there!}

Let's solve this inequality!

\rm{-x+20>-7+35

What can we do to solve this inequality? Well, first of all, we can add -7 and 35:

\rm{-x+20>28

Now, move 20 to the right, using the opposite operation:

\rm{-x>28-20

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\rm{-x>8

Divide both sides by -1 to isolate x:

\rm{x (Answer)

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<em>Additional comment</em>

When we divide both sides of an inequality by a negative number, we flip the inequality sign.

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I hope you find it helpful.

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3 0
2 years ago
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