3 years ago

An unbiased coin is tossed 20 times find the probability that the coin lands heads exactly 11 times

1 answer:

7 0

Both the heads and tails will have a probability of 0.5 with a fair coin. ... TO find probability that foe the 7th toss head appears exactly 4 times.

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PLEASEEEEEE HELP IM BEGGING SOMEONE PLEASEEEEE HELPPPPPPPPPPPPPP

melisa1 [442]

Answer:

1.105°

angle relationship=vertical angles

2.112°

angle relationship=interior angles

Step-by-step explanation:

1.180-75=105

2.180-68=112

#Carry on Learning

6 0

3 years ago

How do you solve for X ax-x=c

MArishka [77]

Factor out the "x" and you'll have:
$x(a-1) =c \qquad /:(a-1) \\ x=\frac{c}{a-1} \qquad \qquad a\neq 1$

8 0

3 years ago

Find the domain and range X+ | X |

Lesechka [4]

9514 1404 393

Answer:

domain: all real numbers, (-∞, ∞)
range: all non-negative numbers, [0, ∞)

Step-by-step explanation:

There are no values of x for which this expression is undefined. The domain is all real numbers.

The minimum value of this expression is 0. There is no maximum value. The range is all numbers greater than or equal to zero.

4 0

3 years ago

Fifteen Players , 2 coaches , anf 21 parents attened this year's sports banquey. The cost of each meal was $12.00 plus 5% (0.05)

Arte-miy333 [17]

$34.80 because, if you add 15+2+21=58x12.00=696x0.05=34.80

6 0

3 years ago

Find the points of intersection of the following function graphs: y=20x−70 and y=70x+30

LekaFEV [45]

Answer:

(-2,-110)

Step-by-step explanation:

First solve for x

20x−70=70x+30

x= -2

Now substitute x for -2

y=20x−70

y=20(-2)-70

y = -110

4 0

3 years ago