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22!
Answer:
Mathematics can be completed through the use of logical thinking and the use of equations to figure out various problems.
Answer:
The value of a is 50°.
Step-by-step explanation:
In an isosceles triangle, 2 sides have the same lengths and same angles so we can assume that the other side of the triangle is 65°.
Given that the total angle of a triangle is 180°, so have to subtract it :



This was a quadratic formula
sin is the y value
here is me solving it
Answer:
Y = 6
X = 24
Step-by-step explanation:
2x -5y = 16
(x -2y =5)*2
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2x -5y = 16
2x - 4y = 10
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(2x -5y = 16) - (2x - 4y = 10)
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0x -y = 6
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y =6
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Replacing in equation 1:
2x - 5(6) = 16
so, 2x = 16 + 30
2x = 48
x = 24