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3 years ago

5

I am planning to spend the Christmas Break in Moab. I have two vehicles that I can drive down there, one is Toyota Tacoma, and t

he other one is a Subaru Crosstreck How much money can I save if a take the Subaru? $

1 answer:

irga5000 [103]3 years ago

8 0

Answer:

Depends on the Miles Per Gallon of each vehicle which you haven't provided and it depends on how far you drive.

Step-by-step explanation:

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Erica solved the equation −5x − 25 = 78; her work is shown below. Identify the error and where it was made.

Salsk061 [2.6K]

Answer:

step 1 was wrong she should have added 25 to both sides

Step-by-step explanation:

step 3 was correct she divided both sides by -5

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3 years ago

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PLEASE HELP PLEASE<br> question: Your mass on earth is 50 kilograms. What is your mass on the moon?

USPshnik [31]

Answer:

No matter if you are on Earth, the moon or just chilling in space, your mass does not change. But your weight depends on the gravity force; you would weigh less on the moon than on Earth, and in space you would weigh almost nothing at all. Where ever you are, your mass will always stay the same.

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3 years ago

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What is the average rate of change of f over the interval -1 on a separate sheet of paper and upload the work as a photo. Show a

Anarel [89]

Answer:

Average rate of change for the function $f(x)= x^2-x-1$ over the interval -1<x<1 is -1

Step-by-step explanation:

We need to find average rate of change of f over the interval -1 < x < 1

The function given is: $f(x)= x^2-x-1$

The formula used to find average rate of change is:

$Average\:rate\:of\:change=\frac{f(b)-f(a)}{b-a}$

We have, a = -1 and b = 1

Finding f(b) when b=1

$f(x)=x^2-x-1\\f(1)=(1)^2-(1)-1\\f(1)=1-1-1\\f(1)=-1$

Now, finding f(a), when a= -1

$f(x)=x^2-x-1\\f(-1)=(-1)^2-(-1)-1\\f(1)=1+1-1\\f(-1)=2-1\\f(-1)=1$

Now, putting values and finding average rate of change

$Average\:rate\:of\:change=\frac{f(b)-f(a)}{b-a}\\Average\:rate\:of\:change=\frac{f(1)-f(-1)}{1-(-1)}\\Average\:rate\:of\:change=\frac{-1-(1)}{1-(-1)}\\Average\:rate\:of\:change=\frac{-1-1}{1+1}\\Average\:rate\:of\:change=\frac{-2}{2}\\Average\:rate\:of\:change=-1$

So, average rate of change for the function $f(x)= x^2-x-1$ over the interval -1<x<1 is -1

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3 years ago

What is the range of the data set?

WARRIOR [948]

Answer:

3.2

Step-by-step explanation:

range is the highest number - the lowest number

66.3-63.1

3.2

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2 years ago

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What is the value of 8x-25 when x is equal to 12?

blsea [12.9K]

Answer:

71

Step-by-step explanation:

Evaluate for x=12

(8)(12)−25

(8)(12)−25

=71

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