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devlian [24]
3 years ago
8

Select the expression that is equivalent to (x - 1)2.

Mathematics
1 answer:
Lelechka [254]3 years ago
3 0

Answer:

D

Step-by-step explanation:

(x - 1)² = (x - 1)(x - 1)

x² - x- x + 1 = x² - 2x + 1

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Compare the theoretical probability to the experimental probability of landing on H.
cestrela7 [59]

The correct statement comparing the theoretical and experimental probabilities is given as follows:

\frac{1}{4} < \frac{7}{25}.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

The theoretical probability is taken before any experiment. Since the four sections are equal, the theoretical probability is:

T(H) = 1/4.

The experimental probability is taken considering previous experiments. Out of 100 tosses, 28 landed on H, hence:

E(H) = 28/100 = 7/25.

Hence the correct statement is:

\frac{1}{4} < \frac{7}{25}.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

4 0
2 years ago
3b^2-2c^5+23+a^2-6c^5-2b^2-4a^2-11
Komok [63]

Answer:

=3a^

Step-by-step explanation:

5 0
3 years ago
Mabel is the costume manager for a large theater company. She has 20 different hats,
SashulF [63]

Answer:

4/20 or 1/5 being simplified

Step-by-step explanation:

8 0
3 years ago
Features of silkworm in point​
noname [10]

Answer:

A material which is composed of thin and continuous strands is known as fibre. Fibre can be of two types: natural fibre and synthetic fibre. The fibres which are obtained from plants and animals are known as natural fibres whereas synthetic fibres are man-made fibres. Examples of natural fibres are cotton and silk whereas examples of synthetic fibres are: nylon, polyester, etc. Silk is a type of natural fibre or animal fibre.

Step-by-step explanation:

3 0
3 years ago
The cost of a family membership at a health club is 58$ per month plus a one-time 129$ start-up fee. If a family spent 651$, how
kramer
9 months.
$651 - $129 = $522
$522/$58 = 9
3 0
3 years ago
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