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Nikolay [14]
4 years ago
15

6th grade math lol

Mathematics
1 answer:
nikdorinn [45]4 years ago
6 0

Answer:

A. 30 for everyone in class | B. 12 Boys in the class

Step-by-step explanation:

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A line segment has a midpoint of (6, 4) and an endpoint of (2, 1). What is the other endpoint of the line segment?
Andre45 [30]
Midpoint formula : m = (x1 + x2) / 2 , (y1 + y2) / 2
midpoint is (6,4)
one point is (2,1)...x1 = 2 and y1 = 1

(6,4) = (2 + x2) / 2 , (1 + y1)/2

so 2 + what divided by 2 = 6....
(2 + x) / 2 = 6
2 + x = 6 * 2
2 + x = 12
x = 12 - 2
x = 10

and 1 + what divided by 2 = 4..
(1 + y)/2 = 4
1 + y = 4 * 2
1 + y = 8
y = 8 - 1
y = 7

so ur other endpoint is : (10,7)
4 0
4 years ago
I need help with this please
djyliett [7]

Answer:

Step-by-step explanation:

The last three are irrational but I'm not sure about the first four.

3 0
3 years ago
Is this correct I need help if it's not thank you
Korolek [52]
Yes it is i stared at it for a while AND DID THIS 

7 0
4 years ago
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Show how to solve -5y+8=-3y+10
marta [7]
-5y+8=-3y+10
-5y+3y=10-8
-2y=2
-2y/-2=2/-2
y=-1

I grouped the alike variable to one side, and the number to the other side, added and subtracted it, divided both sides by -2, and got -1
8 0
3 years ago
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Help me would'ya? Brainliest for who gets it right
Serjik [45]

Answer:

i think its 22

Step-by-step explanation:

perimeter is all sides added together. so i just added the units

3 0
4 years ago
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