Isla flipped a coin 30 times. The coin landed heads up 9 times and tails up 21 times.
1 answer:
Answer:
both are equal
Step-by-step explanation:
there are two side tails and heads so there a 1/2 chance it will land on heads
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-1 - -1.
-1 + 1.
0.
The answer is 0.
Answer:
1)13(left)
2)52(right)
3)48
4)51.923
Step-by-step explanation:
a^2+b^2=C^2
In exponents it could be 3130.51114^2, 213.998224 and 55.95097086
Happy to Help!
Answer:
x1 = -4; x2 = 10
Step-by-step explanation:
1) Expand the module as two separate equations:
x - 3 = 7
x - 3 = -7
2) Solve the equations:
x = 10
x = -4
=> x1 = -4; x2 = 10
Answer:
8399
Step-by-step explanation:
78*100=7800
58*10=580
7800+580+19=8399
