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Toady7396
24.09.2019 •
Mathematics
Find the distance between the points (3,5) and (12,2)
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Ответ:
9.4868
Step-by-step explanation:
Length = √((x2 - x1)2 + (y2 - y1)2)
= √((12-(3))2 + (2-(5))2)
= √(81+9)
= √(90)
= 9.4868
Ответ:
3 and 4
Step-by-step explanation:
Let the numbers be x and y
From 1st statement:
4x + 3y= 25 (I)
From 2nd statement:
4x - 3y= 7 (II)
Adding eq. I and II, we get
8x= 32
x= 32÷8
x= 4
Put x=4 in eq. I
4×4 + 3y=25
3y= 25-16
3y= 9
y= 9÷3
y= 3
Thus the numbers are 3 and 4
HOPE IT IS USEFUL