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Contact [7]
3 years ago
13

A fair coin is flipped four times. Use a tree diagram to find the probability of observing exactly two heads.

Mathematics
1 answer:
Svetllana [295]3 years ago
6 0

Answer:

0.25

Step-by-step explanation:

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What is the fraction for What is the fraction for 0.21
gavmur [86]
The fraction for 0.21 would be 21/100
3 0
3 years ago
Complete the table of ordered pairs for the given linear equation
nika2105 [10]

Answer:

First blank= -1

Second blank= 14

Step-by-step explanation:

Plug in x to the equation. 1/7 x (-7)= -7/7=-1

2=1/7(x) to divide fractions you multiply by the reciprocal

2 x 7/1= 1/7× 7/1

14/1=14

4 0
3 years ago
A car dealership has 24ft of dividers with which to enclose a rectangular play sace
alina1380 [7]

Answer:

A)  Area = A(x) = 24x - x^2

B)  Domain = {x < 24}

Step-by-step explanation:

<u>Complete Question:</u>

A car dealership has 24ft of dividers with which to enclose a rectangular play space in a corner of a customer lounge. The sides against the wall require no partition. Suppose the play space is x feet long.  

A) express the area of the play space as a function of x

B) find the domain of the function

Solution:

A)

The rectangle has area of length * width

length is x

so width will be 24 - x

Hence, the area will be:

Area = x(24 - x)

Area = A(x) = 24x - x^2

B)

Domain is the set of x values that make the function defined.

The domain will be all values less than 24.

Because if you take 24, the area would be 0 [doesn't make sense]

if you take anything over 24, the area would be negative [not possible]

Hence, the domain is:

Domain = {x < 24}

6 0
3 years ago
Help!!!! 20 points!!!!!!’
Gnoma [55]

Answer:

option c is the correct answer

first take y raised to the power 4 common then cancel its power by y raised to the power 3

you get your answer

3 0
3 years ago
What is 6x3/7 as a mixed number?
Anastaziya [24]
<span>6x3/7
6 x 3=18\7
answer=2 4\7</span>
6 0
3 years ago
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