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dedylja [7]
3 years ago
9

The data in the table represent the fuel economy (mpg) for a car at different speeds (mph).

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
8 0
My graphing calculator computes the best match to a cubic function, which predicts mileage of about 39.7 mpg at 65 mph.

The second-best match is to a quadratic function, which predicts mileage of 29.8 mpg at 65 mph.

Linear regression predicts mileage of about 36.6 mpg at 65 mph.


It appears the best choice of those offered is (D) about 36 mpg.

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Transform the equation y-2=3(x+1) into standard form.
Anna35 [415]

ANSWER:

The 1st one: -3x + y = 5

ABOUT STANDARD FORM:

  • Ax + By = C
  • A & B & C are integers
  • A & B are both non - zero
  • This form is good to use when wanting to find the x & y intercepts of a line

y - 2 = 3(x + 1)  --- IN POINT SLOPE FORM

y - 2 = 3x + 3

 + 2         + 2

y = 3x + 5 --- IN SLOPE INTERCEPT FORM

-3x  -3x

-3x + y = 5  --- STANDARD FORM


Hope this helps you!!! :)



5 0
3 years ago
Anyone Wanna help thanks
Oksi-84 [34.3K]

Answer:

1. 8

2. 4

3a. -6 and -4

3b.  -1/2 and -5

Step-by-step explanation:

3a explanation:

Factor x^2+10x+24

(x+4)(x+6)

Set the factors equal to 0

x + 4 = 0

x + 6 = 0

-4 and -6

3b.

Factor left side of equation.

(2x+1)(x+5)=0

Set factors equal to 0.

2x + 1 = 0 or

x + 5 = 0

x =  −1/2

x = -5

-5 and -1/2

6 0
3 years ago
What is the ratio as a fraction in lowest term for $300 to $450 ?
Advocard [28]
Just divide 300 by 450, to get 0.66667, which can be expressed as a fraction by 2/3
5 0
3 years ago
A coin is pulled from a jar and then put back in the jar. If 40 coins are pulled, enter the number of times a nickel is expected
neonofarm [45]

Answer:

20 times

Step-by-step explanation:

40 divided by 2

4 0
3 years ago
A. 0.12<br> B. 0.13<br> C. 0.14<br> D. 0.15<br> Explain why you chose the answer
blagie [28]
The answer is C. 0.14
8 0
2 years ago
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