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Nesterboy [21]
3 years ago
13

Deon's family drove 1 and 1/4 hours to get there.The return trip took only 4/5 of the time of the original trip.How long was the

return trip
Mathematics
2 answers:
Yuliya22 [10]3 years ago
8 0
I don’t know hghhghiijkjjj
alisha [4.7K]3 years ago
4 0
30 minutes I really don't know
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Graph a line that contains the point (-5,-3) and has a slope of -2
Tpy6a [65]

Answer:

-->

Step-by-step explanation:

Graph (-5,-3) and use the slope, -2, to find another point. -2 can also be written as -\frac{2}{1}

\frac{rise}{run} =\frac{-2}{1} and  \frac{rise}{run} =\frac{2}{-1} **

Use both. This works because either way, they will lie on the same line with the same slope. So, starting at (-5,-3), go down two points (-)* and to the left 1 (+)*, then, starting at (-5,-3) again, go up two points (+)* then to the right 1 point (-)*.

* If the number is negative, you either go down or to the right. If the number is positive, you go up and to the left.

**Rise over run refers to the change in the y-axis and the change in the x-axis: \frac{rise}{run} =\frac{y-axis}{x-axis}. Only one number is negative because, if both were negative, that would make a positive number, but the slope is -2, not 2.

Another way you could do this is by finding points first. All you need to do is turn the slope into a "point". Remember, 2 is the y and 1 is the x:

-2=-\frac{2}{1} = (1,-2) and (-1,2)

Then, using (-5,-3) and your new points, add them separately:

(-5,-3)+(1,-2)\\(-5+1,-3+(-2))\\(-5+1,-3-2)\\(-4,-5)

(-4,-5) is one point

(-5,-3)+(-1,2)\\(-5+(-1),-3+2)\\(-5-1,-3+2)\\(-6,-1)

(-6,-1) is another point. Connect the three points. You can check your work on the graph:

3 0
3 years ago
Find the midpoint of line AB <br><br> A) (4.5, 4.5) <br> B) (1.5, 1.5)<br> C) (3,3)<br> D) (2,2)
cricket20 [7]

Answer:

B.  (1.5, 1.5).

Step-by-step explanation:

Point A has coordinates (-3, -3) and point B is (6, 6).

The mid point  is  ((-3+6)/2 , (-3+6)/2)

= (3/2 , 3/2)

= (1.5, 1.5)  (answer).

4 0
3 years ago
The table shows some information about the lifetimes,
NISA [10]

Answer:

25 < t < 350

Step-by-step explanation:

The mean lifetime of a bulb ranges from 25 to 350 hrs but the question is unclear.

8 0
2 years ago
What is the sum of 1/3 and 1/6
lutik1710 [3]
The sum of 1/3 plus 1/6 is 1/2
8 0
4 years ago
Lidia is packing her suitcase in the dark, so as to not wake her little sister. She blindly chooses 3 of her 6 sweaters. What is
jonny [76]
There are 6 choose 3 possibilities (combinations).
6C3 = 6!/(6-3)!3!
= 6•5•4/(3•2•1)
= 120/6
= 20
With 20 possibilities, there is a 1 in 20 chance that she will choose her favorite three.
The answer is Option C. 1/20.
7 0
3 years ago
Read 2 more answers
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