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Mathematics

1 answer:

IgorLugansk [536]3 years ago

8 0

This should answer it! Sure they can help.

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What are the vertex and x-intercepts of the graph of y=x2-2x-24

valentina_108 [34]

Answer:

Vertex (1,-25), Intercepts at (6,0) and (-4,0)

Step-by-step explanation:

Axis of symmetry = -b/2a = -(-2)/2(1) = 2/2 = 1 so x=1 is the equation of line

Plug x=1 into equation y=1-2-24=-25

factor for x-intercepts: (x-6)(x+4)

set them equal to zero: x-6=0 so x=6 x+4=0 so x= - 4

3 0

4 years ago

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Which statements are true? check all that apply. twenty-three ninth graders and fifteen eleventh graders prefer math. fourteen e

Vlad [161]

The true statements are;

fourteen eleventh graders prefer math and eight tenth graders prefer english.
twenty-three ninth graders and thirty-five twelfth graders prefer math.

<h3>What is a survey?</h3>

In a survey, the opinions of the subjects are sought and these responses are recorded for the purpose of use in the process of decision making.

In this, case, we can see from the table that;

fourteen eleventh graders prefer math and eight tenth graders prefer english.
twenty-three ninth graders and thirty-five twelfth graders prefer math.

Learn more about survey:brainly.com/question/3944932

#SPJ1

4 0

2 years ago

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A circus acrobat is shot out of a cannon. The equation for the acrobat's pathway can be modeled by h= -16t^2+25. How long will i

Alex_Xolod [135]

For this we almost have the following equation:
$h = -16t ^ 2 + 25
$
We must match the equation to zero:
$-16t ^ 2 + 25 = 0
$
From here, we clear the value of t.
We have then:
$16t ^ 2 = 25

t ^ 2 = 25/16$
We discard the negative root because we are looking for time:
$t = \sqrt{ \frac{25}{16} } 

$
$t = \frac{5}{4}$
Answer:
it will take him to reach the ground about:
$t = \frac{5}{4}$ seconds