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Mrac [35]
3 years ago
8

Nancy wants to make a graph to show the relationship between the temperature of water, in degrees Celsius, and the time, in minu

tes, for which water is heated. She plots the following points:
(0, 50), (1, 60), (2, 70), (3, 80), (4, 90)

She uses the following steps to plot the graph:


Label origin as (0, 0).
On x-axis, label Time in minutes.
On y-axis, label Temperature in degrees Celsius.
The scale on x-axis starts from 0 and goes up to 5 at intervals of 1.
The scale on the y-axis starts from 0 and goes up to 200 at intervals of 50.


Which of the following best describes the graph?
A.) It will not be spread out horizontally across the entire coordinate plane because in Step 4, Nancy selected an incorrect scale on the x-axis.

B.) It will not be spread out vertically across the entire coordinate plane because in Step 5, Nancy selected an incorrect scale on the y-axis.

C.) It will not be spread out horizontally across the entire coordinate plane because in Step 2, Nancy plotted time instead of temperature on the x-axis.

D.) It will not be spread out vertically across the entire coordinate plane because in Step 3, Nancy plotted temperature instead of time on the y-axis.
Mathematics
2 answers:
Crank3 years ago
5 0

The answer IS B trust me I took the test

LenaWriter [7]3 years ago
3 0
Not entirely sure, but it seem the answer could be B.) It will not be spread out vertically across the entire coordinate plane because in step 5, Nancy selected an incorrect scale on the y-axis. 
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So I'm in an online class of geometry and one of the units is trig. but no matter how long i keep learning or trying to learn th
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Answer and explanation:

There are six main trigonometric ratios, namely: sine, cosine, tangent, cosecant, secant, cotangent.

Those ratios relate two sides of a right triangle and one angle.

Assume the following features and measures of a right triangle ABC

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Then, the trigonometric ratios are:

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  • cosine (α) = adjacent leg / hypotenuse = c / b
  • tangent (α) = opposite leg / adjacent leg = a / c

  • cosecant (α) = 1 / sine (α) = b / a
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Then, if you know one angle (other than the right one) of a right triangle, and any of the sides you can determine any of the other sides.

For instance, assume an angle to be 30º, and the lenght of the hypotenuse to measure 5 units.

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9-2x=19

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or,-2x=10

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therefore,

x=-5

6 0
3 years ago
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