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x=4

y=2

Step-by-step explanation:

Using elimination method

(2x+2y=12) *2    (1) *2

5x+4y=28         (2)

5x+4y=28  

4x+4y=24                <(2) - (1) *2 >

x=4

Substituting value of x in (1),

2*4+2y=28

2y=28-8

y=4/2

y=2

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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