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Kitty [74]
3 years ago
8

Joan flipped a coin 100 times during a mathematics experiment. The coin landed on tails 36 times. Based on Joan's results, which

of these statements is true?
(A)The coin landed on tails more than expected.
(B)The coin landed on heads less than expected.
(C)The coin landed on heads more than tails.
(D)The coin landed on heads less than tails.
Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0
It is A because it can’t be B and it can’t be C and it can’t be D so my answer is A
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A cylinder has a radius of 3 cm and a height of 4cm. what formula would be used to find the volume
mixas84 [53]

Answer:

required formula: πr^2h

Solution

Formula to find volume of cylinder= πr^2h

= 22/7 ×3×3×4

= 113.14cm^3

8 0
2 years ago
How would I solve this problem?
AlladinOne [14]
Mr.Avila's classroom would be bigger because 1/6 is bigger than 1/8.

5 0
3 years ago
How many 1/8s in 25?
Artemon [7]
Hey there! :D

In the fraction 1/8, the denominator is 8. There are 8 of these parts or “fractions” in 1. So, multiply that by 25.

8*25= 200

There are 200 1/8s in 25.

I hope this helps!
~kaikers
5 0
3 years ago
Read 2 more answers
If D is the midpoint of the segment AC and C is the midpoint of segment DB , what is the length of the segment AB , if AC = 3 cm
adell [148]
Comment
The only way I can envision this is put all 4 points on 1 line segment. They go in the order of ADCB. I can only draw it this one way.

Given
D is the midpoint of AC
C is the midpoint of DB
AC = 3 cm

Argument
AC = 3 cm           Given
AD = DC                       D is the midpoint of AC
AD = 3/2                       Definition of a midpoint.
DC = 3/2                       Definition of a midpoint

DC = 3/2                       Last statement
DC + CB = 1.5 + 1.5.   C is the midpoint of BD
DB = 3                          Consolidation of equals
AD + DB = AB               
1.5 + 3 = 4.5                 Substitution.


3 0
3 years ago
Read 2 more answers
The bird population in Louisiana is decreasing at a rate of 15% per day due to the oil spill. If there are 12,000 birds today, h
tiny-mole [99]
<h3>Answer: 395 birds</h3>

==============================================

Work Shown:

The formula to use is

A = P*(1+r)^x

where,

P = 12000 is the initial population

r = -0.15 represents the growth rate in decimal form; which is really a decay/decrease due to r being negative

x = 21 days have passed by (3 weeks = 3*7 = 21 days)

These values lead to...

A = P*(1+r)^x

A = 12000*(1+(-0.15))^21

A = 12000*(1-0.15)^21

A = 12000*(0.85)^21

A = 12000*0.03294560142183

A = 395.34721706196

A = 395

8 0
4 years ago
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