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3 years ago

What is the measure of each interior angle of a regular octagon?

Mathematics

2 answers:

disa [49]3 years ago

8 0

The answer is (A) 135.

REMINDER: Interior angles are equal.

Each interior angle = 180 - $\frac{360}{No.OfSides}$
Each Interior angle = 180 - $\frac{360}{8}$
Each Interior angle = 180 ° - 45°
= 135°

stich3 [128]3 years ago

4 0

EACH interior angle = 180 - (360 / # of sides)
EACH interior angle = 180 - (360/8)
EACH interior angle = 180 -45
EACH interior angle = 135

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It cost 5 dollars for a child ticket and 8 dollars for a adult ticket. Total tickets sold were 110 bringing in 820 dollars? How

omeli [17]

Number of child tickets bought is 20

<h3>Solution:</h3>

Given that It cost 5 dollars for a child ticket and 8 dollars for a adult ticket

cost of each child ticket = 5 dollars

cost of each adult ticket = 8 dollars

Let "c" be the number of child tickets bought

Let "a" be the number of adult tickets bought

Total tickets sold were 110 bringing in 820 dollars

Number of child tickets bought + number of adult tickets bought = 110

c + a = 110 ----- eqn 1

Also we can frame a equation as:

Number of child tickets bought x cost of each child ticket + number of adult tickets bought x cost of each adult ticket = 820

$c \times 5 + a \times 8 = 820$

5c + 8a = 820 -------- eqn 2

Let us solve eqn 1 and eqn 2 to find values of "c" and "a"

From eqn 1,

a = 110 - c ------ eqn 3

Substitute eqn 3 in eqn 2

5c + 8(110 - c) = 820

5c + 880 - 8c = 820

-3c = - 60

c = 20

Therefore from eqn 3,

a = 110 - 20 = 90

a = 90

Therefore number of child tickets bought is 20

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3 years ago

Select the correct answer. In 2010, there were 400 frogs in the lake at a local nature preserve. Each year, the population of fr

Anarel [89]

Answer:

400

Step-by-step explanation:

5=4=78+400

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2 years ago

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Andreas93 [3]

Answer:

Step-by-step explanation:

9 is not a prime factor and of you divide 210 with 11, it will be a decimal

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3 years ago

16,000 rolls of paper were purchased and 12,500 were sold at $1.79, what is the total ending inventory?

Maslowich

12,500 x 1.79 to find the price but 16,000 - 12,500 to get how many were left.
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3 years ago

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Two students taking a multiple choice exam with 20 questions and four choices for each question have the same incorrect answer o

MrRa [10]

Answer:

The Possible model is binomial distribution model.

Step-by-step explanation:

The argument that both students cheated in the exam can be proved by a hypothesis that both the students got the same answers incorrectly.

The same incorrect answers prove that both students have cheated on the test.

Therefore the sample of incorrect answers is, n = 8

Thus, the success probability, P = 0.25

Since the given condition has only two outcomes that are choosing the same answer or not choosing the same answer. Thus, this can be solved by the binomial distribution model.

So, binomial distribution with n = 8 and p = 0 .25.

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