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Nataly [62]
3 years ago
9

How many ways can a teacher pick a group of 3 students from his class of 32?

Mathematics
2 answers:
solmaris [256]3 years ago
6 0

Answer:

the answer is B) 29,760

Step-by-step explanation:

you multiply the original by on less than itself and then repeat for how many people in the group for example

32 times 31 is 992 then you multiply by 30 which is 29,760

tamaranim1 [39]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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B. $5.44 is the answer

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Which characteristic does the graph display?
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If the factors of the polynomial are (x - 2), (x), and (x + 2). Then the equation of the graph will be (x³ - 4x).

<h3>What is the equation of the graph?</h3>

The solutions of the graph are 2, 0, and negative 2.

Then the factor can be given as

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Then the product of the factor will be given below.

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More about the equation of the graph link is given below.

brainly.com/question/1971145

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1 year ago
Can someone answer 15b
NISA [10]
A)

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and "x" is how many seconds you've been in the elevator.

now, she got in the elevator for 6 seconds, so, the elevator went down by 20 * 6, or 120 feet down, reason why the slope is negative, when she stopped, she was 350 feet away from the ground floor still though.

if the elevator went down 120 feet, and she's still 350 feet from the ground floor, that means  she boarded the elevator at 120 + 350 feet, or 470 feet.

b)

\bf \begin{array}{lcccllll}&#10;&\stackrel{\textit{elapsed seconds}}{x_1}&\stackrel{\textit{ft from ground-floor}}{y_1}\\&#10;%   (a,b)&#10;&({{ 6}}\quad ,&{{ 350}})&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope = {{ m}}= \cfrac{rise}{run} \implies -20&#10;\\\\\\&#10;% point-slope intercept&#10;\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-350=-20(x-6)&#10;\\\\\\&#10;y-350=-20x+120\implies  y=-20x+\stackrel{y-intercept}{470}
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3 years ago
What is the graph of f(x)=x^2-2x+3
Neko [114]

Answer:

The graph in the attached figure

Step-by-step explanation:

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This is the equation of a vertical parabola open upwards

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The vertex is the point (1,2)

The y-intercept is the point (0,3)

The function does not have x-intercepts

see the attached figure

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