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Lena [83]
3 years ago
5

If we have the equation y=ax2+bx+c, how can we can find the x-coordinate of the vertex?

Mathematics
1 answer:
pishuonlain [190]3 years ago
4 0
To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y.
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PLS HELP ASAP! WILL MARK BRAINLIEST<br> sin ∠A =<br><br> 3/5<br> 4/5<br> 3/4<br> 5/4
Dafna11 [192]

Answer:

3/5

Step-by-step explanation:

sohcahtoa

since we're finding sine, we need the opposite and hypotenuse.

opposite of <A=3, hyp of <A=5.

opp comes before hyp in "soh", so sin<A=3/5

5 0
3 years ago
3x-y= 7<br> 2х + Зу = 12<br> Can anyone help me with this answer please?
wlad13 [49]

Answer:

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Step-by-step explanation:

are you good at english?

7 0
2 years ago
Help please no need for explanation
dusya [7]
It would be A=45, but i don't understand why you have a 3 above your answer
8 0
3 years ago
Read 2 more answers
A Toblerone candy bar is in the shape of a triangular prism. The area of the base is 3 in 2and the height of the prism is 5 in.
Mrac [35]

Answer:

  • 15 in³

Step-by-step explanation:

<u>Volume of the prism:</u>

  • V = Bh, where B- area of base, h- height

<u>Given:</u>

  • B = 3 in²
  • h = 5 in

<u>Volume is:</u>

  • V = 3*5 = 15 in³
8 0
3 years ago
Refer to the figure to the right.
Law Incorporation [45]

Step-by-step explanation:

Use arc length:

s = rθ

where r is the radius and θ is the angle in radians.

a) First, convert the angle to radians (1 degree = 60 minutes).

77 ⁵⁰/₆₀° × (π radian / 180°) = 1.358 radians

s = rθ

s = (9.67 in) (1.358 rad)

s = 13.1 in

b) s = rθ

4 in = (9.67 in) θ

θ = 0.414 radians

θ = 23.7°

θ = 23° 42'

6 0
3 years ago
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