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3 years ago

15

Travis lives 195 miles from Dallas. On a normal trip, it takes 180 minutes to drive from his house to Dallas. What is Travis' av

erage rate of speed in miles per hour?

1 answer:

tankabanditka [31]3 years ago

6 0

Answer:

65 mph

Step-by-step explanation:

195 mi/180 min

195 mi/3 hr

65 mi/1 hr

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Jean transformed a point by using the rule (x,y) (x-6, y+8). The image point is (–4, 1). Which point is the pre-image?

lubasha [3.4K]

For this case we have the following transformation:
$(x, y) (x-6, y + 8)
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Using the transformation we have that the image is:
$(-4, 1)
$
Therefore, making use of this information, we can find the coordinates of the pre-image
We have then:
$x-6 = -4
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From here, we clear x:
$x = -4 + 6

x = 2$
On the other hand we have:
$y + 8 = 1
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From here, we clear y:
$y = 1-8

y = -7$
The coordinates of the pre-image is:
$(x, y) = (2, -7)
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Answer:
A point that is the pre-image is:
$(x, y) = (2, -7)$

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The equation that you should use to solve this is (13 + 1/4) - (6 + 2/3) = 6 and 7/12

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Answer:

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Step-by-step explanation:

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Let x1 = 12, y1 = 15, and y2 = 3. Let y vary inversely with x. Find x2.

Ostrovityanka [42]

We have that an inverse variation in a function is given by:
$y = k / x
$
We must find the value of the constant k.
To do this, we substitute the values of x1 = 12, y1 = 15.
We have then:
$15 = k / 12
$
Clearing k we have:
$k = (15) * (12)

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Substituting the value of k we have that the inverse variation is:
$y = 180 / x
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