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maxonik [38]
3 years ago
12

At a store, notebooks are on sale for 78% off the regular price. The cost of a notebook is represented by n. Which of the

Mathematics
2 answers:
zlopas [31]3 years ago
5 0

Answer:

C

Step-by-step explanation:

If the cost is represented by n, why would you subtract the cost of the notebook by 0.78 while multiping it witht the cost?

ziro4ka [17]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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deff fn [24]

1.The answer would be D. 0.28 per lb per year.

2. The answer would be C. between 10 and 20 minutes.

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3 years ago
What are the two ordered pairs for 5x=3
valkas [14]

Well the equation of this line is x=3/5. Which means that for any value of y the x will always equal to 3/5, so the points (ordered pairs) for eg. are (3/5,2),(3/5,\sqrt{7}).

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3 0
3 years ago
Write the equation of a line that is perpendicular to y=-2x/7+9 and that passes through the point (4,−6)
Shtirlitz [24]

Answer:

  y = (7/2)x -20

Step-by-step explanation:

The given line is in slope-intercept form, so you can read its slope from the equation.

  y = mx + b . . . . . m is the slope; b is the y-intercept

  y = -(2/7)x + 9 . . . . . . has slope -2/7

The perpendicular line will have a slope that is the negative reciprocal of this, so will be ...

  m = -1/(-2/7) = 7/2

We can use this and the given point to write the equation in point-slope form.

  y = m(x -h) +k . . . . . . line with slope m through point (h, k)

We have m = 7/2, (h, k) = (4, -6) so the equation is ...

  y = (7/2)(x -4) -6

  y = (7/2)x -20

4 0
3 years ago
What kind of transformation converts the graph of f(x) = 5x - 2 into the graph of g(x) = x -2
malfutka [58]

Answer:

Vertical compression

Step-by-step explanation:

To find the transformation, compare the function to the parent function and check to see if there is a horizontal or vertical shift, reflection about the x-axis or y-axis, and if there is a vertical stretch.

5 0
3 years ago
ITS A BIT BLURRY BUT IT WORKS SOMEONE PLEASE GET THIS DONE IN THE NEXT FEW MINUTES ILL MARK BRAINLIEST
ZanzabumX [31]

Answer:

a) m∠T

b) line W and line Z

c) ∠ZTU

d) ∠YTX

e) 90° or m∠5

f) m∠1 and m∠2

g) m∠2

h) 180° or m∠1 & m∠5 or m∠2 & m∠3 & m∠4

i) line WTY and line YTX

j) the angle bisector U

Step-by-step explanation:

5 0
2 years ago
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