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Bas_tet [7]
4 years ago
15

The equation yˆ=0.3418x+14.3818 models the fuel economy of a car, in mpg, where x is the car’s speed in mph. According to the re

gression equation, what is the approximate fuel economy for this vehicle at 65 mph? about 22 mpg about 37 mpg about 46 mpg about 49 mpg
Mathematics
2 answers:
Zolol [24]4 years ago
6 0

Answer:

Step-by-step explanation:

37

tekilochka [14]4 years ago
5 0
The fuel economy of the vehicle at 65 mph can be determined using the given equation. The fuel economy, y, can be solved by substituting the car's speed, x, to 65. Doing this, will result to y = 36.5988. Thus, the correct answer among the choices is that the fuel economy of the vehicle at 65 mph is about 37 mpg. 
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AnnyKZ [126]

Answer:

Commutative Property of Multiplication, I believe. Hope this helps!

Step-by-step explanation:

8 0
3 years ago
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A thermometer is taken from a room where the temperature is 25oc25oc to the outdoors, where the temperature is 0oc0oc. after one
Igoryamba
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3 years ago
The number represented by x is less than 7 and is evenly divisible by both 0.6 and 2.4
svetoff [14.1K]
2.4<7
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6 0
3 years ago
Question 12 helllllllppppp plazzzzzzz
Eddi Din [679]

Answer:

Step-by-step explanation:

It says Renita takes minutes to ride half a mile.

She leaves 30 minutes before school.

Total distance is

               2\frac{1}{2} = \frac{1}{2}+ \frac{1}{2} +\frac{1}{2} +\frac{1}{2} +\frac{1}{2}\\

In

2\frac{1}{2} \ there \ are \ 5 \ times  \  \frac{1}{2} \ mile .\\

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Since she leaves 30minutes before school. She will reach 5minutes early before school.

8 0
3 years ago
What is the focus of the parabola?<br><br> y=−14x2−2x−2
nataly862011 [7]
First, we need to transform the equation into its standard form (x - h)²=4p(y - k).
Using completing the square method:

y = -14x² - 2x - 2
y = -14(x² + 2x/14) - 2
y = -14(x² + 2x/14 + (2/28)²) -2 + (2/28)²
y = -14(x + 1/14)² - 391/196
-1/14(y + 391/196) = (x + 1/14)²

This is a vertical parabola and its focus <span>(h, k + p) is (-1/14, -391/196 + 1/56) = (-1/14, -775/392).

Or (-0.071,-1.977).</span>
3 0
3 years ago
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