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Liula [17]
3 years ago
7

Find the measure of angle X in the figure below

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
6 0

Answer:

X = 80°

Step-by-step explanation:

55+45=100

180-100=80 angles in a triangle=180°

So Y = 80

and Y=X because opposite angles around a point are equal

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A board that is 4 1/2 feet long weighs 7 1/5 pounds. How much would one foot of the board
REY [17]

Answer:

A board that is 4 1/2 feet long weighs 7 1/5 pounds. How much would one foot of the board weigh? Write your answer as a mixed number

Step-by-step explanation:

8 0
2 years ago
Makayla and ember went shopping for clothes and spent 262.00 if the tax rate is 5% what is Makayla and ember’s total after tax?
Serjik [45]

262.00*1.05= $275.10

7 0
3 years ago
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The labor force participation rate is the number of people in the labor force divided by the number of people in the country who
zepelin [54]

Answer:

The expected participation rate is 0.637.

The standard error is 0.04397

Step-by-step explanation:

For each working age people asked, there are only two possible outcomes. Either they are in the labor force, or they are not. This means that we can solve this problem using binomial distribution probability concepts.

Binomial probability:

Expected value for the participation rate: The expected value is the probability of a success. In this problem, a success is a working age people being in the labor force. 63.7% of them are. So \pi = 0.637. This means that the expected participation rate is 0.637.

Standard error for the participation rate:

The standard error is given by the following formula:

\sigma = \sqrt{\frac{\pi(1-\pi)}{n}}.

In this problem, 120 people are asked, so \pi = 120

s = \sqrt{n\pi(1-\pi)} = \sqrt{\frac{0.637*(1-0.637)}{120}} = 0.04397.

So the standard error is 0.04397

8 0
3 years ago
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Twice the sum of a number and 7 is more than 6 or at most -3. Which compound inequality can represent this relationship
yarga [219]

Answer:

C

Step-by-step explanation:

6 0
3 years ago
What is 1.2 liters subtracted by 200 millimeters
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1 liter because 200 millimeters is 0.2 liter and 1.2 minus 0.2 equals 1 liter.
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