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jeka57 [31]
3 years ago
8

Find the value of x in each figure ​

Mathematics
1 answer:
Ronch [10]3 years ago
3 0

Answer:

X is 50

Step-by-step explanation:

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Likurg_2 [28]
The area of a square would be = A= a²
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Factor? for 6xy−3x−8y+4
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6xy -3x -8y +4 
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Nine is 12% of which number
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What multiplies to -12 but added together equals -10
Airida [17]
Let the two numbers be x and y, then,
xy = -12 . . . (1)
x + y = -10 . . . (2)
From (2), x = -10 - y . . . (3)
Putting (3) into (1), gives
(-10 - y)y = -12
-10y - y^2 = -12
y^2 + 10y - 12 = 0
y= \frac{-10\pm \sqrt{10^2-(4\times(-12))} }{2} = \frac{-10\pm \sqrt{148} }{2} = \frac{-10\pm 2\sqrt{37} }{2} = -5\pm\sqrt{37}

Therefore, the two numbers are -5+\sqrt{37} and -5-\sqrt{37}
4 0
3 years ago
Perimeter/area (triangles)
Rzqust [24]

Answer:

12 ft²

50 ft²

Step-by-step explanation:

∆ABD = ∆CBD

Perimeter of ∆ABD = 12 ft²

Perimeter of triangle ∆CBD

If ∆ABD = ∆CBD

Then, Perimeter of ∆CBD = 12 ft²

∆ABC = ∆CDA

Area of ∆ABC = 25 ft²

Then the area of rectangle ABCD = Area of ∆ABC + Area of ∆CDA

= 25 ft² + 25 ft²

= 50 ft²

6 0
3 years ago
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