Answer:
THere will be 8 heads and 2 tails
Step-by-step explanation:
I don't know
8x + y = -16 ;
3x - y = 5 ;
____________(+)
11x = -11;
x = - 11 / 11 ;
x = - 1;
y = -5 + 3 * ( - 1 ) = - 8.
Answer:
the answer and explanation is in the picture
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Answer:
30
Step-by-step explanation:
Similar figures
63/54 = 35/X
X = 35 × 54/63
X = 30