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Ira Lisetskai [31]
3 years ago
5

Which is the correct answer and why?

Mathematics
1 answer:
julia-pushkina [17]3 years ago
6 0
G(x) = 6x + 5
y = mx + b
m = slope = 6
b = y-intercept = 5
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Consider the line 7x+9y=5
alisha [4.7K]

Answer:

The slope of a line parallel to this line will be: -7/9

The slope of the perpendicular line will be:

\frac{-1}{\frac{-7}{9}}=\frac{9}{7}

Step-by-step explanation:

We know the slope-intercept form

y=mx+b

Here,

  • m is the slope
  • b is the y-intercept

Given the equation

7x+9y=5

simplifying to write in the lope-intercept form

y=-\frac{7}{9}x+\frac{5}{9}

Thus, the slope of the line is: -7/9

The slope of a line parallel to the line:

We have already determined that the slope of the line is: -7/9

  • We know that the parallel lines have the same slope.

Thus, the slope of a line parallel to this line will be: -7/9

The slope of a line perpendicular to the line:

We have already determined that the slope of the line is: -7/9

As we know that the slope of the perpendicular line is basically the negative reciprocal of the slope of the line.

Thus,  the slope of the perpendicular line will be:

\frac{-1}{\frac{-7}{9}}=\frac{9}{7}

4 0
3 years ago
How to equivalent 64 1/2​
bagirrra123 [75]

Answer:

129/2

Step-by-step explanation:

      1                129

64  ---     =       -------

      2                 2

To find the improper fraction, you multiply the denominator by the whole number and then add the numerator.  In the end, you put that answer over the starting denominator.

64 X 2 = 128      128 + 1 = 129     129 / 2 is the answer

7 0
3 years ago
What substitution should be used to rewrite 4x^4-21x^2+20=0 as a quadratic equation
Andreyy89

let y = x^2

4y^2 -21y + 20 = 0

solve for y

then substitute back in to get x

8 0
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1 3/4 × 4 1/6<br><br> Please help
pashok25 [27]

Answer: 7 7/24

Also 175/24

Step-by-step explanation:

7 0
3 years ago
What is the area of the figure?​
sergij07 [2.7K]

Answer:

69.75

Step-by-step explanation:

8 0
3 years ago
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