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Monica [59]
3 years ago
9

Two friends, Neil and Charlie, are going to depart from their houses and ride their bikes towards each other until they meet, an

d then have a picnic. Neil can bike 11 miles per hour, while Charlie can bike 9 miles per hour. If their houses are connected by a straight road that is 6 miles long, in how long will the two meet?
Mathematics
1 answer:
n200080 [17]3 years ago
6 0

Answer:

0.3 hour or 18 minutes

Step-by-step explanation:

How long means, we are to calculate the time(t)

Hence,

Speed × time = Distance

For Neil , 11 × t

For Charlie = 9 × t

11t + 9t = 6

20t = 6

t = 6/20

t = 0.3 hour

Converting to minutes

1 hour = 60 minutes

0.3 hour = x

x = 0.3 × 60 minutes

x = 18 minutes

Therefore, it will take 0.3 hour or 18 minutes for these two to meet.

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Which is true about the slope of a line?
Inessa05 [86]

Answer:

Step-by-step explanation:

The slope of all lines in quadrant 1 is positive. FALSE

The slope of a line does not depend on the quadrant.

The slope of <u>all lines</u> that pass through the origin is undefined.FALSE

The slope of some lines that pass trough the origin are undefined ( lines that are vertical have undefined slope)

The larger the slope, the longer the line.FALSE

The lines do not get longer or shorter because they go to infinity in both directions.

The larger the magnitude of the slope value, the steeper the line. TRUE

The larger the absolute value of the slope the steeper the slope.

4 0
2 years ago
Can someone plz help ASAP this is confusing
mr_godi [17]

Answer:

third option

Step-by-step explanation:

four times a number: 4n

add 8 to it: 4n + 8

All of this equals to -12.

Hence: 4n + 8 = -12

6 0
3 years ago
Read 2 more answers
All positive numbers not including 0
Leno4ka [110]
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4 0
3 years ago
Find the length of a fence that surrounds a square garden if the length of one side of the garden is given. Are the length of th
lisabon 2012 [21]

Answer:

A square has 4 sides with equal length.

So the perimeter of a square is equal to 4 times the length of one side.

Now, suppose that we know that the length of one side of the garden is x.

Then the total length of the fence that surrounds the square is:

L = 4*x.

Now let's define proportional quantities:

x and y are proportional quantities if:

x = k*y

where k is a constant of proportionality.

In the case of our problem, we have a relation between L (total length of the fence) and x (length of one side of the garden)

L = 4*x

This is a proportional relation, and 4 is the constant of proportionality.

5 0
3 years ago
Us
aleksandr82 [10.1K]

Answer:

x = 30

Step-by-step explanation:

Since this is a right triangle,

90 = (x + 20) + (x + 10)

90 = x + x + 20 + 10

90 = 2x + 30

90 - 30 = 2x

60 = 2x

60/2 = 2x/2

30 = x

Check:

x + 20

30 + 20 = 50

x + 10

30 + 10 = 40

50 + 40 = 90

Hope this helps!

4 0
2 years ago
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