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KIM [24]
3 years ago
15

Find the coordinates of the midpoint of the line segment AB, where A and B have coordinates: A(4,-7) and B(-2,1)

Mathematics
1 answer:
zlopas [31]3 years ago
4 0
Midpoint formula is (y2-y1/2 , x2-x1/2)
(1--7/2 , -2-4/2)
(8/2 , -6/2)
(4, -3)
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Can you round these off to the nearest correct one place decimal ​
nataly862011 [7]

Question

can you round these off to the nearest correct one place decimal ​

Answer:

1. 7.8

2. 375.3

3. 72.7

4. 83.4

Hope this helps!!

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6 0
2 years ago
A 90-inch length of ribbon is to be cut into three pieces. The longest piece is to be 30 inches longer than the shortest piece,
Free_Kalibri [48]
Lets name the shortest piece a, the medium b and the longest c

Together they are 90inches
a + b + c = 90
The longest is 30 inches longer than the shortest
c = a + 30
The third piece is half the lenght of the longest
b =  \frac{c}{2}

So if you place c=a+30 in the other 2 equasions you get

a + b + (a + 30) = 90 = 2a + b + 30
And
b =  \frac{30 + a}{2}
Now if you put this 2 toghether u get
2a +  \frac{30 + a}{2}  + 30 = 90
Multyplied by 2
4a + 30 + a + 60 = 180
5a = 90
Meaning that a=18inches

Now that we have the lenght of a we put it in the previous equasion

b =  \frac{30 + 18}{2}
So b=48/2 which means b=24inches

And together they must be 90 so

18 + 24 + c = 90

C=48inches







6 0
3 years ago
Tryrone purchased a container of juice that contains 150 calories. the label says that 70% of the calories are from carbohydrate
serious [3.7K]
The answer is 45 calories
3 0
3 years ago
Jeff ate 1/3 of the jar of cookies. Laura ate 1/6 of the cookies in the jar. What fractions of the cookies did they eat?
abruzzese [7]

Answer:

1.2/6

Step-by-step explanation:

5 0
2 years ago
Trina, James, and Michael are training for a 10-kilometer race. After 30 minutes of a training run, Michael lead the group, and
Novosadov [1.4K]

Answer:

Trina ran \frac13 of the distance ran by Micheal.

Step-by-step explanation:

To find: Which fraction of Michael's distance did Trina run.

Solution:

Let the distance run by Michael be 'x'.

Now Given:

James had run 1/2 of Michael's distance

So we can say that;

Distance ran by James = \frac12}x

Also Given:

Trina had run 2/3 the distance James ran.

So we can say that;

Distance ran by Trina is equal to \frac23 multiplied by distance ran by James.

framing in equation form we get;

Distance ran by Trina = \frac23\times\frac12x =\frac13x

Hence Trina ran \frac13 of the distance ran by Micheal.

8 0
3 years ago
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