MATHEMATICS COLLEGE

8/3+7/5a

Simplify your answer as much as possible.

Answers

Answer 1
Answer:

Answer:

mixed number: 4 1/15

Exact: 61/15
Answer 2
Answer: I think the answer is 8/3 + 7a/5

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If the distance from C to C’ is 8 and the scale factor is 5. What is the distance from A to C? A. 8/5
B. 5/8
C. 10
D. 2

Answers

Answer : B

Explanation:

Blue ribbon taxis offers shuttle service to the nearest airport. You loop up online reviews for blue ribbon taxis and find that there are 17 reviews, six of which report that the taxi never showed up. Is this a biased sampling method for obtaining customer opinion on the taxi service?
If so, what is the likely direction of bias?
explain your reasoning carefully.

Answers

Answer:

In order for a sample to be considered biased, some members of the total population must have either a larger or lower chance of being included in the sample. In this case, your sample contained 17 reviews. It is biased because it was completely voluntary and customers who have a bad experience with a product or service generally tend to express more their dissatisfaction than satisfied customers show their satisfaction.

In marketing, there is a saying that unsatisfied clients talk bad about our product or service 4 times more than satisfied clients. I'm not sure if this saying is exact or not, but all marketing research point in the same direction.

This means that clients that did not get a good service or got no service at all, are more likely to post a review about the company than clients who got a good service. This is what makes the sample biased.

The sum of three consecutive odd integers is -381

Answers

Given that the numbers are consecutive:
let the first number be x, the second number will be x+1, the third number be x+2
thus the sum of the numbers will be:
x+(x+1)+(x+2)=-381
3x+3=-381
3x=-381-3
3x=-384
x=-128
thus the first number is -128, the second number is -127 and the third number is -126

Miguel bought a bicycle at a 30% discount. he paid $122.50. what percent of the original price did Miguel pay​

Answers

70%

100% - 30% = 70%

The price is not needed

Final answer:

Miguel paid 70% of the original price for the bicycle. The original price was calculated as approximately $175 by dividing the price Miguel paid ($122.50) by 70% (the remaining percentage after the 30% discount).

Explanation:

Miguel paid $122.50 for a bicycle which was discounted by 30%. So, the $122.50 represents the 70% of the original price (because 100% - 30% = 70%). To find out what 100% (the original price) is, we need to perform a calculation where we divide the price paid by Miguel ($122.50) by 70% (in decimal format, that's 0.70).

The formula would structure as below:

Original Price = Price Paid / Percentage of Original Price Paid

Substituting in the values provided, the equation would be:

Original Price = $122.50 / 0.70

Following through with this calculation, we find that the original price of the bicycle was approximately $175. Therefore, Miguel paid 70% of the original price, as that's the remaining percentage after the 30% discount.

Learn more about Discount here:

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2 inches is approximately 5 centimeters. Kevin is 66 inches tall. How many centimeters (cm) tall is he?

Answers

He is approximately 330 cm because 60 times 5 is 300 and 6 times 5 is 30. If you add it up it is 330 cm

Can you please give me a short brief answer

Answers

Answer:

120 yards 1.

Step-by-step explanation:

In the shape, it is a rectangle with a triangle cut out from it. What is the area of the shape:

Area of rectangle = length × width

12 × 15 = 180 yards²

Area of triangle = ½ × base × height

½ × 10 × 12 = 60 yards²

Now subtract the area of triangle from the area of rectangle:

180 - 60 = 120 yards ²
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