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Serggg [28]
3 years ago
11

Amber and Linda are 54 miles apart, traveling towards each other. If Linda travels 11 mph and Amber travels 7 mph how long(hours

) until they meet?
Mathematics
1 answer:
USPshnik [31]3 years ago
7 0
Bro I am in 5 th grade and ik this....
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Pls help am failing <br> Hehehehgshdhdjsjbsvdv
ludmilkaskok [199]

Answer:

should be B

Step-by-step explanation:

7 0
3 years ago
How many ways are there for Alice, Bob, Charlie, David and Eve to line up from left to right, such that Charlie is somewhere to
steposvetlana [31]

Answer:

120 ways

Step-by-step explanation:

Alice, Bob, David, Charlie,   Eve

David, Alice, Bob,  Charlie,   Eve

Alice,David, Bob,  Charlie,   Eve

Charlie,   Eve ,Alice,David, Bob,  

Charlie,   Eve ,Alice, Bob, David,

Charlie,   Eve ,David, Alice, Bob,

Alice,Charlie,   Eve , Bob, David,

Alice,Charlie,   Eve ,  David, Bob,

Bob,Alice,Charlie,   Eve ,  David,   and so .

This is a permutation question as the order of placing Charlie to the left of Eve is important.

So the total number of people n= 5 and the possible order is 4 keeping Charlie left of Eve. Eve cannot have the last position to keep Charlie on the left.

Using the formula of nPr = n!/ (n-r)! we get

5! / (5-4)! = 120 ways in which Charlie can be placed to the left of Eve.

6 0
2 years ago
Suppose that a police officer measured the speed of cars on a highway for an hour. The average speed of the cars was 72 and the
anygoal [31]
I got 4.14 because i multiplied the deviation which is 4.6 by 0.9 and got that answer
8 0
3 years ago
" A projectile is launched in the air according to the equation h(t)= -16t^2 + 125t + 5. At what time does the projectile land?"
Vlad1618 [11]
"according to the equation is a sloppy description, and announces that whoever said it or wrote it doesn't really have a clue to what the equation means or what it's good for.

h (t) is the HEIGHT of the projectile above the ground at any time 't'. When the projectile hits the ground, h (t) is zero. Write that ! Then you have a quadratic equation that you can easily solve for 't'.
8 0
3 years ago
Dario purchased a 1-foot long piece of gum, and he decides to share it with 3 of his friends. So, he cuts the piece of gum into
-Dominant- [34]

Answer:

If he wishes to spilt it evenly there will be less for each person because they all have to give a peice to the other friend.

4 0
3 years ago
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