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kow [346]
3 years ago
13

What is the measure of a Pentagon

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
7 0

Answer:

polygons whose sides measure 5 sides

Step-by-step explanation:

pentagon is a polygon whose sum measures 5 sides. this can be solved by replacing the number of sides in N when finding either the interior or exterior angles

Mashutka [201]3 years ago
6 0

Answer:

5 sides.

Step-by-step explanation:

Unlike a triangle, which is 180°, also equal to a straight line, the length is equal to 540°.

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2 years ago
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A student borrows $12,000 at a simple interest rate of 4.5% for 5 years. How much interest is ones at the end of 5 years, and wh
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Answer:

12,000(1+\frac{4.5}{100}*5)=12,000(1.225)=\$14,700

Step-by-step explanation:

Simple interest is where interest is only accumulated on the principle, so at 4.5% for 5 years, 22.5% is added to the principal.

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3 years ago
The National Center for Health Statistics (NCHS) reports that 70%70% of U.S. adults aged 6565 and over have ever received a pneu
Marianna [84]

Answer:

11.44% probability that exactly 12 members of the sample received a pneumococcal vaccination.

Step-by-step explanation:

For each adult, there are only two possible outcomes. Either they received a pneumococcal vaccination, or they did not. The probability of an adult receiving a pneumococcal vaccination is independent of other adults. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

70% of U.S. adults aged 65 and over have ever received a pneumococcal vaccination.

This means that p = 0.7

20 adults

This means that n = 20

Determine the probability that exactly 12 members of the sample received a pneumococcal vaccination.

This is P(X = 12).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 12) = C_{20,12}.(0.7)^{12}.(0.3)^{8} = 0.1144

11.44% probability that exactly 12 members of the sample received a pneumococcal vaccination.

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3 years ago
How many solutions does this system have <br> 2x+3y=-3<br> 3x+5y=-9
olga nikolaevna [1]

Step-by-step explanation:

please mark me as brainlest

5 0
2 years ago
a box of cereal states that there are 72 calories in a 3/4 cup serving. What is the unit rate for calories per cup? how many cal
Leona [35]

Answer:

96 and 192 calories

Step-by-step explanation:

<u>Given</u>

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<u>Divide both by 3/4 to find the unit rate:</u>

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<u>Then multiply both by 2 to get the calories for 2 cups:</u>

  • 96*2 = 192 calories
7 0
3 years ago
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