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3 years ago

PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!11

1 answer:

6 0

The first thing to do in this case is to replace the value of x = 60 in the given function to obtain the average fuel mileage in miles per gallon.
We then have to replace:
y = -0.0088 * x ^ 2 + 0.79 * x + 15
y = -0.0088 * (60) ^ 2 + 0.79 * (60) + 15
y = 30.7 mi / gal
answer
the best approximate for the average gas mileage at a speed of 60 miles per hour is
B) 30.7 mi / gal

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Step-by-step explanation:

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2 years ago

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The scatter diagram that contains the correlation coefficient closest to r = 1 is the first one shown in the attached images.

Step-by-step explanation:

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3 years ago

After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A'(6, 3), B'(-2, 1),

Rasek [7]

Answer:

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Step-by-step explanation:

To the pre-image after a 270°-counterclockwise rotation [90°-clockwise rotation], just reverse it by doing a 270°-clockwise rotation [90°-counterclockwise rotation]:

Extended Rotation Rules

270°-clockwise rotation [90°-counterclockwise rotation] >> (x, y) → (-y, x)
270°-counterclockwise rotation [90°-clockwise rotation] >> (x, y) → (y, -x)
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So, perform your rotation:

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→ B'[-2, 1] was originally at B[-1, -2]

→ A'[6, 3] was originally at A[-3, 6]

I am joyous to assist you anytime.

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