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olga2289 [7]
3 years ago
10

Add 531+642+753+864+975​

Mathematics
1 answer:
yarga [219]3 years ago
5 0

Answer:

3765

Step-by-step explanation:

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A car travels 360 miles in a period of 180 minutes. Find the average velocity of the car in miles per hour over this time period
Serggg [28]
The simple formula for velocity is v=d/t.  Velocity equals distance divided by time.  360 miles divided by 180 minutes.  360/180=2.  The car travels at 2 miles per MINUTE.

Now, to change to miles per HOUR.  There are 60 minutes in an hour, so 2*60=120 miles per hour.

Answer: 120 mph
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4 years ago
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Find the inverse function of <br><img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%209%20%2B%20%20%5Csqrt%7B4x%20-%204%7D%20" id=
Vedmedyk [2.9K]

Answer:

\displaystyle   {f}^{ - 1}(x) =  \frac{1}{4} (x  - 18x + 85)

Step-by-step explanation:

we would like to find the inverse of the following function:

\displaystyle f(x) = 9 +  \sqrt{4x - 4}

to do so substitute y for f(x):

\displaystyle y= 9 +  \sqrt{4x - 4}

interchange variables:

\displaystyle x= 9 +  \sqrt{4y - 4}

cancel 9 from both sides:

\displaystyle  \sqrt{4y - 4}   = x - 9

square both sides:

\displaystyle  4y - 4= x  - 18x + 81

add 4 in both sides:

\displaystyle  4y = x  - 18x + 85

divide both sides by 4:

\displaystyle  y =  \frac{1}{4} (x  - 18x + 85)

substitute back:

\displaystyle   {f}^{ - 1}(x) =  \frac{1}{4} (x  - 18x + 85)

and we're done!

7 0
3 years ago
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Answer:The eight angles will together form four pairs of corresponding angles. Angles 1 and 5 constitutes one of the pairs. Corresponding angles are congruent. All angles that have the same position with regards to the parallel lines and the transversal are corresponding pairs e.g. 3 + 7, 4 + 8 and 2 + 6.

Step-by-step explanation:

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Answer:

Are there no options for this question

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Somebody link me a video on how to do proofs
Artyom0805 [142]
Https://youtu.be/fSu1LKnhM5Q
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