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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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If question 7, how do you solve for the angles
ladessa [460]
ABC is same as FDE
so AC = FE  = 5ft
angle B = 28 deg
angle C = 90 deg
so A = 180 - B - C = 62

8 0
3 years ago
How do you solve this step by step??
KonstantinChe [14]

Answer:

Step-by-step explanation: 6x+5x=3x+2x-54

                                               11x=5x-54

                                                +5x  +5x

                                                   16x=54

                                                     16    16

                                                       x=3.375

3 0
3 years ago
The length of a rectangle is 5 inches shorter than double its width. The perimeter of the rectangle is 192 inches. Write a two-s
alukav5142 [94]

Answer:

Step-by-step explanation:

Givens

Let the width = x

Let the length = x + 5

Equation

2w + 2W = P

Solution

2x + 2(x + 5) = 192                  Remove the brackets    <=== Answer

2x + 2x + 10 = 192                  Combine like terms

4x + 10 = 192                          Subtract 10 from both sides

4x = 192 - 10                        

4x = 182                                 Divide by 4

4x/4 = 182/4

x = 45.5

8 0
2 years ago
Whats is the answer to this question below?
uysha [10]

Hey there. So first we need to know what the point slope form looks like.

It is Y-Y1=M (X-X1)

Knowing this you just plug in the given information.

M is equal to 1/6. So in this case all of the options have the correct m. Next we look at the Year value. We know Y is a positive 4. So the beginning of the equation is going to look like

Y+4=1/6 ( X-X1).

Nown plug in x. It would be a negative 5. Now your final answer would be option A. Hope the explanation helped.. :)

4 0
3 years ago
Evaluate. 25/23<br> A) 1<br> B)28<br> C)4<br> D)8
Gwar [14]
25 divided by 23 will not come out as a whole number. 23 goes into 25 1 time so the answer would be 1..... But I guess the answer would be A since that's the closest answer choice.
5 0
3 years ago
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