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andrezito [222]

3 years ago

13

What is the value of y 10 18 2y+4 10+2x

2 answers:

Sophie [7]3 years ago

8 0

10 = 2y + 4
6 = 2y
y = 3

18 = 10 + 2x
8 = 2x
x = 4

Nimfa-mama [501]3 years ago

8 0

Answer:

$y=3$

Step-by-step explanation:

Given figure is a rectangle.

In a rectangle , opposite sides are equal

to find out y we equate the opposite sides 10 and 2y+4

$10=2y+4$

Subtract 4 from both sides

$10-4=2y+4-4$

$6= 2y$

Divide both sides by 2

$y=3$

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Simplify the following

den301095 [7]

Answer:

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Step-by-step explanation:

1) 2 $\sqrt{12}$ + 3 $\sqrt{48}$ - $\sqrt{75}$

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= $8 + 12\sqrt{10} + 45$

= $53 + 12\sqrt{10}$

5) $(1+\sqrt{3} ) (1-\sqrt{3} )$

= $1 - 3$

= -2

6) $(2\sqrt{6} -1) (\sqrt{3} -\sqrt{2} )$

= $2\sqrt{18}-2\sqrt{12} -\sqrt{3} +\sqrt{2}$

= 2× $3\sqrt{2}$ - 2× $2\sqrt{3}$ - $\sqrt{3} + \sqrt{2}$

= $6\sqrt{2} - 4\sqrt{3} -\sqrt{3} +\sqrt{2}$

= $7\sqrt{2} - 5\sqrt{3}$

Hope the working out is clear and will help you. :)

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