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seropon [69]
3 years ago
11

To solve -3x2 + 12x - 14 = 0 by graphing, you need to find the information to graph the parabola. Answer the following questions

: The parabola opens upward or downward. The vertex is ( , ). The axis of symmetry is . The y-intercept is . The solution is x = .
help....
Mathematics
1 answer:
Lelechka [254]3 years ago
4 0

Answer:

Step-by-step explanation:

-the parabola opens downward because a=-3 is negative

-the vertex is at (0, -2)

-axis of symetry is the y-axis so is x=0

-the y-intercept is at (0,-2)

-has imaginary solutions you can find using quadratic formula

If you go to desmos.com, click on graphic calculator and add threre your equation you cand check your answers

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Plss help i beg you!​
svetoff [14.1K]

Answer:

  • n = 7, x = 9

Step-by-step explanation:

The top and bottom segments have same length.

a)

  • n + n + 19 = 33
  • 2n + 19 = 33
  • 2n = 33 - 19
  • 2n = 14
  • n = 14/2
  • n = 7

b)

  • x + x + x + 3 = 30
  • 3x = 30 - 3
  • 3x = 27
  • x = 27/3
  • x = 9
6 0
2 years ago
Find the surface area of a cylinder with a height of 2 inches and base radius of 4 inches
solmaris [256]

Answer:

Surface Area = 150.8 square inch

Step-by-step explanation:

Surface \ Area = 2 \pi r h + 2 \pi r^2  \ \ \ \ \ \ \  \ \ \ \ \ \ [ \ r = 4 , \ h = 2 \ ] \\\\

                    = 2 \pi \times 4 \times 2 + 2 \pi 4^2\\\\=16 \pi + 32 \pi \\\\= 48 \pi \\\\= 150.796 \\\\=150.8 \ square \ inch

3 0
3 years ago
The formula for finding the perimeter of equilateral triangle is P=3s. how can you transform the formula so that it could be use
Mandarinka [93]

Your answer is D. Hope this helps -John



5 0
3 years ago
What is the value of 12/n when N=2
Maksim231197 [3]

6 ,because if n=2 you divide 12 by 2 and get 6

8 0
3 years ago
9/11 =?/22 what is the answer
hammer [34]
If you would like to solve the equation 9/11 = x/22, you can calculate this using the following steps:

9/11 = x/22    /*22
x = 9/11 * 22
x = 18

The correct result would be 18.
7 0
3 years ago
Read 2 more answers
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