| x - 42.04 | = 23.24

Answers

Answer 1

Answer: |x - 42.04| = 23.24
|x - 42.04| = ±23.24
|x - 42.04| = 23.04 U |x - 42.04| = -23.04
x - 42.04 = 23.04    U    x - 42.04 = -23.04
    + 42.04 + 42.04 + 42.04   + 42.04
      x = 65.05    U    x = 19

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Answers

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Where in real life do people use parabolas?
*apart from maths classrooms and mathematicians.

Answers

The mirrors of reflecting telescopes are parabolas.
The microwave "dish" antennas on cell towers are parabolas. So are the little dishes on garage roofs and the corners of houses, receiving satellite TV all over the country.
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Find the coordinates of point X that lies along the directed line segment from Y(-8, 8) to T(-15, -13) and partitions the segment in the ratio of 5:2. A. (-5, -15) B. (-23, -5) C. (-13, -7) D. (-11.5, -2.5)

Answers

Answer:

C. (-13, -7)

Step-by-step explanation:

The location of a point O(x, y) that divides a line AB with location A $(x_1,y_1)$ and B $(x_2,y_2)$ in the ratio m:n is given by:

$x=(m)/(m+n) (x_2-x_1)+x_1\n\ny=(m)/(m+n) (y_2-y_1)+y_1$

Therefore the coordinates of point X That divides line segment from Y(-8, 8) to T(-15, -13) in the ratio 5:2 is:

$x=(5)/(5+2) (-15-(-8))+(-8)\n\nx=(5)/(7) (-15+8)-8=(5)/(7)(-7)-8=-5-8=-13 \n\n\ny=(5)/(5+2) (-13-8)+8\n\ny=(5)/(7) (-21)+8=5(-3)+8=-15+8=-7$

Therefore the coordinates of point X is at (-13, -7)

9d + 2 = 56
The solution is d =

Answers

Answer:6

Step-by-step explanation:9x6=54

54+2=56

Answer:the solution is d=6

Step-by-step explanation:9*6+2=56

Consider the quadratic function f(x) = −² − 3x + 10.Determine the following: (enter all numerical answers as integers, fractions, or decimals):
The z-intercepts are
The y-intercept is
The vertex is
The line of symmetry has the equation
Give your answers as points, separated by a comma
Give your answer as a point.
Can someone help me please. Precalc is hard!!!

Answers

1. the z-intercepts are (-2, 0) and (2.5, 0)
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3. the vertex is (-0.75, 10.75)
4. the line of symmetry has the equation x = -0.75

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