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Gennadij [26K]
3 years ago
15

What is the vertex of the graph

Mathematics
2 answers:
galina1969 [7]3 years ago
6 0
The vertex of a graph is the lowest point on the graph of a parabola. Hope this helps!
Travka [436]3 years ago
3 0
Vertex<span> of a parabola is the point where the parabola crosses its axis of symmetry.</span>
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The incomes in a certain large population of college teachers have a normal distribution with a mean $75,000 and standard deviat
nikklg [1K]

Answer:

The probability that their average salary;

standard error

= 10,000/sqrt(16)

=10,000/4

= 2500  

(77,500 - 75000)/2500

2,500/2500

= 1  

p (z > 1) = .1587

So, the probability that their average salary is more than $77,500 is 0.1587

Step-by-step explanation:

8 0
3 years ago
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Luden [163]
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8 0
3 years ago
Cynthia is planning a party. for entertainment, she has designed a game that involves spinning two spinners. if the sum of the n
vesna_86 [32]

<span>The correct statement of the problem is attached

</span><span>Spinner A: 4 parts, 3/4 is 1, 1/4 is 3.----------1  1  1  3  
Spinner B: 3 parts, 1/3 is 5, 1/3 is 7, 1/3 is 9--------5  7  9

</span><span>The combinations of the two spinners are
1 and 5
1 and 7
1 and 9
3 and 5
3 and 7
3 and 9

</span>cases get you thrown in the pool
1 and 5
1 and 7
3 and 5

calculation of the probabilities
1 and 5--------3/4*1/3 = 1/4
1 and 7--------3/4*1/3 = 1/4
3 and 5--------1/4*1/3 = 1/12
1/4+1/4+1/12=7/12-----------58.33%

probabilities that the guests will be thrown in the pool--------58.33%

5 0
3 years ago
Please complete the following
DIA [1.3K]

Answer:

a) <em>(</em><em>1</em><em>)</em> 12 m/s

<em>(</em><em>2</em><em>)</em> 18 seconds

<em>(</em><em>3</em><em>)</em><em> </em><em>1</em><em>9</em><em>8</em><em> </em><em>metres </em>

b) 2 m/s

Step-by-step explanation:

a) <em>(</em><em>1</em><em>)</em><em> </em>****locate on the graph****

<em>(</em><em>2</em><em>)</em><em> </em>if 2 small squares = 1 second

then (36/2 × 1) = 18 sec

<em>(</em><em>3</em><em>)</em><em> </em><em> </em><em>Dist</em><em>=</em><em> </em><em>?</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>Speed</em><em>=</em><em> </em><em>1</em><em>1</em><em> </em><em>m</em><em>/</em><em>s</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>Time</em><em>=</em><em> </em><em>1</em><em>8</em><em> </em><em>sec</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>then </em><em>D</em><em>=</em><em>S</em><em>×</em><em>T</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>D</em><em>=</em>(<em>1</em><em>8</em><em>×</em><em>1</em><em>1</em><em> </em>)<em>=</em><em> </em><em>1</em><em>9</em><em>8</em><em> </em><em>m</em>

<em> </em>

b) a = change in velocity /change in time

initial velocity = 11 m/s

final velocity. = 28 m/s ***graph***

initial time. = 28 sec ***graph***

final time. = 36 sec ***graph***

a= (11 - 28)/(28/36)

a= (-16/-8)

a= 2 m/s

3 0
3 years ago
Where is 14, 6 is on a coordinate plane.
ladessa [460]

Answer:

I'm not sure how you want us to answer this. I attached an image of where it is but otherwise it's in quadant I which is the top right one.

Hope this helps!

Step-by-step explanation:

4 0
3 years ago
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