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kodGreya [7K]
2 years ago
9

Quinn went to the coffee shop traveling 9mph and returned home traveling 15mph. The total trip took 8 hours. How long did Quinn

travel at each speed?
Mathematics
1 answer:
Alex787 [66]2 years ago
6 0
Have a good day! Sorry-
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HURRY WILL MARK YOU BRAINLIEST RIGHT ANSWER ONLY
Galina-37 [17]

Answer:

Step-by-step explanation:

set the two equations equal to each other then solve for n

6n + 3 = 4n + 11

2n = 8

n = 4

plug n in for both equations

6(4) + 3

24 + 3 = 27

4(4) + 11

16 + 11 = 27

27 + 27 = 54

the distance is 54

8 0
3 years ago
It is a well-known fact that Dr. Barnes rides a skateboard, sometimes even on campus. Suppose that Dr. Barnes selects a skateboa
Genrish500 [490]

Answer:

75%.

Step-by-step explanation:

In total, there are 3 gnarly boards in the first shop and 1 gnarly board in the second. We know that he has selected one gnarly board out of the 3 + 1 = 4 existing boards.

The probability the board came from the first shop is 3 / 4 = 0.75 = 75%.

Hope this helps!

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3 years ago
Ten friends scored the following marks in their end-of-year math exam:
S_A_V [24]

Answer:

Given that  

Marks of ten friends

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Mean = 56

Variance = 284.6

Standards deviation = 16.9

6 0
3 years ago
Help with this, please!!!
Rashid [163]

Answer:

Its a Parallelogram

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8 0
2 years ago
My car's registration number is divisible by 5,10 and 11. find out a possible 5 digit registration number
vredina [299]

\text{Let the registration number of my car is divisible by 5, 10 and 11}\\
\text{and the registration number is 5 digits number.}\\
\\
\text{so in order to find such a possible 5 digit registration number first we}\\
\text{find the Least Common Multiple (LCM) of  the numbers 5, 10 and 11.}\\
\\
\text{Observe that the LCM of 5, 10 and 11 is }110.

\text{we neee to find a 5 digit number, so we divide the least 5 digit number by 110. so}\\
\\
\frac{10000}{110}=90.91\\
\\
\text{so one such least 5 digit registration number could be}=110\times 91=10010

A possible 5 digit registration number divisible by 5, 10 and 11 is: 10010

5 0
2 years ago
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