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Cloud [144]
3 years ago
14

If the radius of a circle is 12cm, then the diameter is 6cm. True or false

Mathematics
1 answer:
melomori [17]3 years ago
6 0

Answer:

False.

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Geometry</u>

  • Radius: <em>r</em>
  • Diameter: d = 2r

Step-by-step explanation:

<u>Step 1: Define</u>

Radius = 12 cm

<u>Step 2: Find diameter</u>

  1. Substitute:                    d = 2(12 cm)
  2. Multiply:                        d = 24 cm

∴ The statement is false and should be 24 cm as the diameter.

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Which<br>expression is equivalent to 1/5m -20​
muminat

There are infinite equivalent expressions. Here are some:

1/5(m-100)

20(1/100m-1)

1/5m-(4•5)

If you expand any of these or any of the terms, you will get an equivalent expression.

7 0
2 years ago
A six-week fitness program was designed to decrease the time it takes retired individuals to walk one mile. At the beginning of
valkas [14]

Answer:

c. The sampling distribution of the sample means can be assumed to be approximately normal because the distribution of the sample data is not skewed

Step-by-step explanation:

From the given data, we have;

The category of the sample = Retired individuals

The number of participants in the sample = 20

The duration of program = six-weeks

The improvement seen by most participants = Little to no improvement

The improvement seen by few participants = Drastic improvement

Therefore, given that the participants are randomly selected and the majority of the participants make the same observation of improvement in the time to walk a mile, we have that, the majority of the outcomes show little difference in walk times after the program, therefore, the distribution of the sample data is not skewed and can be assumed to be approximately normal

7 0
3 years ago
Cho ma trận A và một sự tương ứng
algol [13]

Answer:

sorry I don't speak that language

4 0
2 years ago
Solve 2 (x + 4) - 10 = 14 step by step
Blababa [14]

Answer:

x=8

Step-by-step explanation:

2(x+4) - 10 =14

distribute the 2       2x +8 -10 +14

simplify                     2x-2=14

add 2                        2x=16

devide by 2               x=8

3 0
3 years ago
Read 2 more answers
Guided Practice
elena-s [515]

Answer:

see below

Step-by-step explanation:

The experimental probability of heads is

P( heads) = 28/50 = 14/25

The theoretical probability is

P (heads) =1/2

Getting a common denominator for the experimental

25/50

comparing the experimental and the theoretical

28/50 > 25/50

experimental > theoretical

4 0
3 years ago
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