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lord [1]
3 years ago
9

A(-1,2)B(-7,4) find the midpoint of AB

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
8 0
You can find the mid point of the two by adding both the x's then divid by 2 and add both the y's and divide by 2 for example.

-1+(-7) =-8
-8/2 =-4
x= -4

2+4 = 6
6/2 =3
y=3

So the mid point is (-4,3) 
Zigmanuir [339]3 years ago
7 0
The midpoint would be (-4,3)
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Andreyy89

Answer: One book has a greater mass.

Step-by-step explanation:

Jamal has a pair of shoes with a total mass of 960 grams. This means that each shoe has a mass of:

960 grams ÷ 2= 480 grams per shoe.

Jamal also has four identical books with a total mass of 2 kilograms. Note that 1000 grams make a kilograms. Therefore 2 kilograms will be (2 × 1000 grams) = 2000 grams.

Each book will have a mass of:

2000 ÷ 4 = 500 grams per book.

One shoe has a mass of 960 divided 2 = 480 grams . One book has a mass of 2000 divided 4 = 500 grams . So one book has a greater mass.

8 0
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aivan3 [116]

Answer:

Step-by-step explanation:

let x,y be the sides of court.

2(x+y)=90

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45x-x²=500

x²-45x+500=0

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(x-25)(x-20)=0

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when x=25

y=45-x=45-25=20

when x=20

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The common denominator (LCM(3, 5)) is 15.

We must multiply the first numerator by 5, because 3*5=15 and the second numerator by 3 because 5*3=15.

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