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frozen [14]
3 years ago
15

6. The variable n represents the figure number

Mathematics
1 answer:
vlabodo [156]3 years ago
7 0
Brodsky I wondering the same thing but good luck finding the answer
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At 3:30 p.m., Berto’s train was 34 miles past the egg farm, traveling at an average speed of 85 miles per hour. At the same time
timurjin [86]

E=egg farm

x=distantce between  the Berto´s trains and the meeting point.

t=time where the trains meet up

⇒110 miles/h                                          ⇒85miles/h

[---------------------------E----------------------]-------------------------------------X

[............12 miles.......][........34 miles.....][------------ x ----------------------]

distance between Berto´s train and Eduardo´s train=

=12 miles+34 miles=46 miles.

S=d/t      ⇒d=S*t

S=seed

d=distance

T=time

Eduardo´s train;

46 miles+x=t*110 miles/h  ⇒x=t*110 miles/h-46 miles  (1)

Berto´s train;

x=t*85 miles/h  (2)

With the equations (1) and (2) we suggest this system equations:

x=t* 110 miles/h-46 miles

x=t*85 miles/h

we solve this system equiations :

t*110 miles/h-46 miles=t*85 miles/h

110t miles/h-85t miles/h=46 miles

25 t miles/h=46 miles

t=46 miles/25 miles/h=1,84 hour  (≈1 hour, 50 minutes, 24 seconds)

x=t*85 miles/h=156,4 miles

Solution: 1,84 hour

3 0
3 years ago
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The domain of the function given below is the set of all real numbers greater
lisabon 2012 [21]
The answer is A. True
3 0
3 years ago
What is one term or multiple terms connected by an addition or subtraction sign
Blizzard [7]

The answer is Like terms.

7 0
3 years ago
Which of these numbers has the greatest absolute value-3 1 -9 5
Burka [1]
I believe it is the 9, with absolute values the number will always be positive so the absolute value of -9 is 9, which is the greatest out of all the options
3 0
3 years ago
Hunter installed tiles on a floor with a length of 12 feet and a width of 9 feet in
salantis [7]
I don’t know if you meant 7 hours or 7 1/2 hours, but if it was in 7 hours, the answer would be around 15 square feet. If it was 7 1/2 hours, it would be 14 square feet.
3 0
3 years ago
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