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serious [3.7K]
2 years ago
14

During the trip your parents drive 211.05 miles on different highways. You calculate that you spent 3.5 hours driving on the hig

hways.What was the average speed your parents drove during that part of the trip
Mathematics
1 answer:
Anastaziya [24]2 years ago
7 0

Answer:

60.3 mph

Step-by-step explanation:

211.05 miles / 3.5 hours = 60.3 miles/hour

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Which equation represents the line that is perpendicular to and passes through (-40,20)?
emmasim [6.3K]

The equation of the perpendicular line to the given line is: y = -5/4x - 30.

<h3>What is the Equation of Perpendicular Lines?</h3>

The slope values of two perpendicular lines are negative reciprocal of each other.

Given that the line is perpendicular to y = 4/5x+23, the slope of y = 4/5x+23 is 4/5. Negative reciprocal of 4/5 is -5/4.

Therefore, the line that is perpendicular to it would have a slope (m) of -5/4.

Plug in m = -5/4 and (x, y) = (-40, 20) into y = mx + b to find b:

20 = -5/4(-40) + b

20 = 50 + b

20 - 50 = b

b = -30

Substitute m = -5/4 and b = -30 into y = mx + b:

y = -5/4x - 30

The equation of the perpendicular line is: y = -5/4x - 30.

Learn more about about equation of perpendicular lines on:

brainly.com/question/7098341

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8 0
1 year ago
Tracy walked for 3 1/2 miles . How many feet did she walk ?
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Step-by-step explanation:

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3 years ago
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What is the sum of 6 4/5 and 6 4/5?<br> A. 12 4/5<br> B. 29/5<br> C. 0<br> D. -12 4/5
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\bf6 \frac{4}{5}  + 6 \frac{4}{5}  =  (6 + 6) \frac{4}{5}  = 12 \frac{4}{5}

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y = -1x + 2

Step-by-step explanation:

y = -1x + b

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