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spayn [35]
2 years ago
6

Need help asap!!!!!!!!!!

Mathematics
1 answer:
yawa3891 [41]2 years ago
4 0

Answer:

x=4

Step-by-step explanation:

The axis of symmetry is always x= the x-coordinate of the vertex

EX:

Vertex: (9,8)

Axis of Symmetry: x=9

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The graph below shows the height of a projectile t seconds after it is launched. If acceleration due to gravity is –16 ft/s2, wh
nika2105 [10]

Answer:

  see attached

Step-by-step explanation:

The x-coordinate of the vertex is given by ...

  x = -b/(2a)

for f(x) = ax^2 +bx +c.

We see that the vertex is at x = 1, and we are given a = -16. Then we can find "b" from ...

  1 = -b/(2(-16))

  32 = b

We know the y-intercept of the equation is 5 (the starting height), so the equation must be ...

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5 0
3 years ago
Please help fast ^^
allsm [11]
The discriminante :
b^2-4ac

1^2 - 4 * -2 * -28 = 1 - 224 = -223

When the discriminant (b^2-4ac) is less than 0, the equation had no real solutions.

-223<0, so, 2x^2+x-28 = 0 has no real solutions.


Hope that helps :)
7 0
2 years ago
PLS HELP ASAP! solve the equation pls I need some help here. <br>18=-2+w
LekaFEV [45]

-2+w=18\ \ \ |+2\\\\2-2+w=18+2\\\\\boxed{w=20}

5 0
3 years ago
20 POINTS! WILL MARK BRAINIEST FOR FIRST CORRECT ANSWER!
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Answer:

brainly.com/question/8182874

Step-by-step explanation:

5 0
3 years ago
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Cos/1+Sin = 1-Sin/Cos
ValentinkaMS [17]

Answer:

if you are asking for true or false it would be false

Step-by-step explanation:

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