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dusya [7]
3 years ago
10

Which among the four choices gives the difference of (x/4x²) and (3/4x²)?​

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0

Answer:

2

Step-by-step explanation:

the difference is that

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Answer:

1

Step-by-step explanation:

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3 years ago
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Use these functions to answer the questions.
Elenna [48]
Part A
We have f\left(x\right)=\left(x+3\right)^2-1. To solve for the x-intercept, we set f(x) equal to 0.  That is
     \left(x+3\right)^2-1=0

     \left(x+3\right)^2=1

Take the square root of both sides, 
     x+3=1

     x=-2

The x-intercept is (-2,0). 

To solve for the y-intercept, we set x=0. That is 
     y=\left(0+3\right)^2-1=3^2-1=9-1=8

The y-intercept is (0, 8) 

The coordinates of the optimum point are actually the vertex which can be easily seen from the vertex form equation given above. The minimum point is (-3, -1).

Part B.
We have g\left(x\right)=-2x^2+8x+3.
Factor out -2
     =-2\left(x^2-4x\right)+3

Complete the square
     =-2\left(x^2-4x+4\right)+3-2\left(4\right)

Simplify
     g(x)=-2\left(x-2\right)^2-5

Part C
We have h\left(t\right)=-16t^2+28t.
The maximum height is 12.25 feet after 0.875 seconds from the time of the jump. The dolphin will be back in the water after 1.75 seconds. The graph of the jump is shown in the photo. 
     
    

4 0
3 years ago
Noah reads the problem, “Evaluate each expression, giving the answer in scientific notation.” The first problem part is: 5.4×105
muminat

Answer:5.4×105+2.3×104.

Step-by-step explanation:

8 0
3 years ago
Question 5
kramer

Answer:

The possible numbers that Kelley might have scored are:

1, 2, 3, 4, 5, 6, 7 and 8

Step-by-step explanation:

Please kindly see the attached file for more explanation

8 0
3 years ago
What quadrilateral always has 4 congruent angles and opposite sides that are congruent and parallel? Please answer it correctly.
ololo11 [35]

Answer:

<u>Square</u>

Step-by-step explanation:

Requirements that make a square, a square;

  • Four sides
  • Congruent angles (all 90°)
  • Opposite sides are congruent/the same.
  • Opposite sides are also parallel because the lines of a square do not intersect.
6 0
2 years ago
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