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mote1985 [20]
3 years ago
10

What is a percent? Give the definition using full sentences.

Mathematics
2 answers:
Dima020 [189]3 years ago
4 0
Percent is the likelihood of something happening
wolverine [178]3 years ago
4 0

In mathematics, a percentage is a number or ratio expressed as a fraction of 100. A common symbol for a percentage is this symbol "%." Some abbreviations for it can be, "pct," or "pc."

Remember though that a percentage had no unit of measurement as it is a dimensions number.

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I got 2 questions.
alexandr402 [8]

Answer:

1. In triangle ABC,

AC = a = 10, BC =b= 7 and ∠ C = 90°

By cosine law,

AB^2 = 7^2 + 10^2 - 2\times 7\times 10 cos 90^{\circ}

AB^2 = 49 + 100 - 0

AB^2 = 149

AB= \sqrt{149}

Now, by the law of sine,

\frac{sin B}{10} = \frac{sin90^{\circ}}{\sqrt{149} }

sin B = \frac{10}{\sqrt{149} }

\angle B = 55.0079798014\approx 55.008^{\circ}

2. In triangle ABC,

∠B = 30°,  AB=c=10 and ∠C = 90°

∠A = 180°-(30+90)°=60°

\frac{AC}{10}=sin30^{\circ}

⇒ AC = \frac{10}{2} = 5

By Pythagoras,

CB^2 = AB^2 - AC^2=10^2 - 5^2 = 100 - 25 = 75

⇒ CB = \sqrt{75} =8.66025403784\approx 8.66



6 0
3 years ago
Read 2 more answers
What is the probability of rolling a multiple of five
Eva8 [605]

Answer:

1/6

Step-by-step explanation:

On an equal dice? 1/6

There are 6 sides to a dice.

The sum of all the probabilities is 1.

As each side has equal probability, their probability is 1 / number of options = 1/6.

5 0
3 years ago
Read 2 more answers
The bill in a restaurant is $102.25. A tip of 20% is added to the bill. What id tyhe final amount paid?
motikmotik

Answer: $117.59

Step-by-step explanation:

8 0
3 years ago
What are the LDC between 4/9 & 2/3
SashulF [63]

Answer:

the least common denominator between 4 and 9 is 36

Step-by-step explanation:

6 0
2 years ago
Enter a recursive rule for the geometric sequence. 10, −80, 640, −5120, ...<br><br> a(1)=<br> a(n)=
Liula [17]
The recursive formula would be:
a_1=10&#10;\\a_{n}=a_{n-1} \times (-8)

This is because the first term, a₁, is 10.  A recursive rule is dependent upon the term before it (a(n-1)) and the common ratio.  The common ratio, or the number that each term is multiplied by, is -8.
6 0
3 years ago
Read 2 more answers
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