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IgorC [24]
1 year ago
9

BIG IDEAS MATH

Mathematics
1 answer:
miv72 [106K]1 year ago
3 0

The minimum and maximum numbers of hours you will have cruise control on are 2.75 hours and 3.75 hours, respectively

<h3>How to find the minimum and maximum numbers of hours you will have cruise control on?</h3>

The given parameters are

Distance = 195 miles

Speed = 60 miles per hour

Distance to turn the cruise control off = 30 miles within the border on either sides

The distance when you turn the cruise off is:

Distance = Current Distance ± Distance to turn the cruise control off

This gives

Distance = 195 ± 30

Expand

Distance = (195 - 30, 195 + 30)

Evaluate

Distance = (165, 225)

Recall that

Speed = 60 miles per hour

So, we have:

Time = Distance/Speed

This gives

Time = (165, 225)/60

Expand

Time = (165/60, 225/60)

Evaluate

Time = (2.75, 3.75)

Hence, the minimum and maximum numbers of hours you will have cruise control on are 2.75 hours and 3.75 hours, respectively i.e. you will travel at least 2.75  hour(s) and at most 3.75 hour(s) with cruise control on.

Read more about speed at:

brainly.com/question/4931057

#SPJ1

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I really need help
Zielflug [23.3K]

Answer:

The answer is (C)

The equation of the circle is (x + 4)² + (y - 6)² = 81

Step-by-step explanation:

* To find the equation of the circle you need to know

  the center of the circle and the length of its radius

* The rule of the equation of the circle is:

  (x - h)² + (y - k)² = r²

  Where x and y is a general point on the circle,

  h and k are the coordinates of the center of the circle

  and r is the radius of the circle

∵ The center of the circle is (-4 , 6)

∵ The radius of the circle is 9

∴ (x - -4)² + (y - 6)² = 9²

∴ ( x + 4)² + (y - 6)² = 81

∴ The answer is (C)

3 0
3 years ago
The dealer's cost of a Sierra is 89% of a base price. Which is $43,890, and 10 points
NemiM [27]
It’s 450 i’m pretty sure
7 0
2 years ago
Help plzzzz ill give extra points
lbvjy [14]

Answer:

12x

16x, 320

20

Step-by-step explanation:

Hope this helps

3 0
2 years ago
Read 2 more answers
STATISTICS in a recent year the mean score on the mathematics section of the SAT test was 515 and the standard deviation was 114
vesna_86 [32]

An absolute value inequality to find the range of SAT mathematics test scores within one standard deviation of the mean is; |x – 515| ≤ 114

<h3>How to Write Inequalities?</h3>

A) We are told that;

Mean score = 515

Standard deviation = 114

We are now given that people within one deviation of the mean have SAT math scores that are no more than 114 points higher or 114 points lower than the mean. Thus, the absolute value inequality is;

|x – 515| ≤ 114

B) The range of scores to within ±2 standard deviations of the mean is;

Range = 515 ± 2(114)

Range = 287 to 743

Read more about Inequalities at; brainly.com/question/25275758

#SPJ1

3 0
1 year ago
Plzzz help meee i need helpppp
Nuetrik [128]
Not enough detail sorry can't help

6 0
3 years ago
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