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Likurg_2 [28]
2 years ago
9

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. - 9x + 107=-126 — 9x —

бу = 18​
Mathematics
1 answer:
Svetach [21]2 years ago
4 0

Answer:

fbi open up hujuiiiiii>hhhhh

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Estimate the sum 258+565
Thepotemich [5.8K]
So do 260+570 which is 830

The real sum is 823
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3 years ago
A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Id
Ilia_Sergeevich [38]
Below are suppose the be the questions:

a. factor the equation 
<span>b. graph the parabola </span>
<span>c. identify the vertex minimum or maximum of the parabola </span>
<span>d. solve the equation using the quadratic formula
</span>
below are the answers:

Vertex form is most helpful for all of these tasks. 
<span>Let </span>
<span>.. f(x) = a(x -h) +k ... the function written in vertex form. </span>

<span>a) Factor: </span>
<span>.. (x -h +√(-k/a)) * (x -h -√(-k/a)) </span>

<span>b) Graph: </span>
<span>.. It is a graph of y=x^2 with the vertex translated to (h, k) and vertically stretched by a factor of "a". </span>

<span>c) Vertex and Extreme: </span>
<span>.. The vertex is (h, k). It is a maximum if "a" is negative; a minimum otherwise. </span>

<span>d) Solutions: </span>
<span>.. The quadratic formula is based on the notion of completing the square. In vertex form, the square is already completed, so the roots are </span>
<span>.. x = h ± √(-k/a)</span>
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3 years ago
You are attending a college night. There is a different school in each classroom. Of the schools in attendance 30% had a sports
elixir [45]

Answer:

0.10

Step-by-step explanation:

Technically it's 0.12 but I only say this because they rounded by from 58 to 60 in their question

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Circle has an area of 841π cm2. What is the diameter?
Maru [420]
The diameter is approximately 32.72 cm. 
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3 years ago
Part One Katie recorded the length, in inches, of the ribbon pieces she was going to use for a project. Use this information for
ioda

The line plot that correctly represents the given data set is: line plot C.

<h3>What is a Line Plot?</h3>

On a line plot, the frequency of a data points is represented using "x" as many times as the data points appear in the data set.

The data point with the highest frequency is 11¼ which is also 11⅛. And they appear 4 times in the given data set.

So, the line plot that correctly shows the data is: line plot C.

Learn more about the line plot on:

brainly.com/question/27246403

#SPJ1

8 0
2 years ago
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