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liraira [26]
4 years ago
15

Bobby wonders if he randomly guesses on four true-false questions, how would he do on the assessment? He creates the simulation

below. He states that if the coin lands on heads, the answer will be correct, and if the coin lands on tails, the answer will be incorrect
Mathematics
1 answer:
Nitella [24]4 years ago
4 0
Given the chances of getting heads, or getting the answer correct is equivalent to 1/2 or 0.5,
He has a 1/8 chance of answering all the questions correctly.
\frac{1}{2} \times \frac{1}{2} \times \frac{1}{2} \times \frac{1}{2}  \\   =  \frac{1}{8}  \\
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8 ounce bag contains 86 pieces. how much would be in a 12 ounce bag
Montano1993 [528]
8 / 86 = 12 / x
cross multiply
(8)(x) = (86)(12)
8x = 1032
x = 1032/8
x = 129 pieces
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Read 2 more answers
What is the value of the expression
Levart [38]

Answer:

\boxed{\sf -2}

Step-by-step explanation:

\sf Evaluate \:  -  {x}^{2}  - 4x - 6 \:  where \:  x =  - 2: \\  \sf \implies  -  {x}^{2}  - 4x - 6 =  -  {( - 2)}^{2}  - 4( - 2) - 6 \\  \\  \sf  {( - 2)}^{2}  = 4 :  \\  \sf \implies  -  \boxed{ \sf 4} - 4( - 2) - 6 \\  \\  \sf - 4( - 2) = 8 :  \\  \sf \implies  - 4 +  \boxed{ \sf 8} - 6 \\  \\  \sf  - 4 + 8 - 6 = 8 - (4 + 6) :  \\  \sf \implies 8 - (4 + 6) \\  \\  \sf 4 + 6 = 10 :  \\  \sf \implies 8 -  \boxed{ \sf 10} \\   \\  \sf \implies -  2

5 0
4 years ago
A(n) = -5 = 6(n-1)<br> Find the 12th<br> term in the sequence.
Margarita [4]

Step-by-step explanation:

According to the question a(n) = -5 for all real values of n.

So the 12th term in the sequence is -5.

6 0
4 years ago
please help me with this
Mariulka [41]

Answer:

top right equation

Step-by-step explanation:

y=x^2-2

my answer got deleted. so stup id

5 0
3 years ago
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