MATHEMATICS MIDDLE SCHOOL

The price of an item yesterday was 180 Today, the price fell to 153 Find the percentage decrease.

Answers

Answer 1
Answer:

The percentage decrease is 15%.

EXPLANATION

180 - 153 = 27 (price decrease)

10% of 180 = 18

5% of 180 = 9

18 (10%) + 9 (5%) = 27 (15%)
Answer 2
Answer:

Final answer:

The price decreased by 27 and when you convert this into a percentage by dividing by the original price and then multiplying by 100, the result is a 15% decrease in the price.

Explanation:

To calculate the percentage decrease in the price, you first need to find out how much the price has fallen by. So subtract the new price (153) from the old price (180). This gives you 27.

Next, to convert this decrease to a percentage, you divide it by the original price (180) and then multiply by 100. So the calculation would be (27/180)*100 = 15%.

Therefore, the price of the item decreased by 15%.

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PLEASE HURRYA 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2x inches larger than the width and length of the photograph. Which expression represents the perimeter of the frame?

Answers

Answer:

48in

Step-by-step explanation:

We know that the photograph is

Width photo = 5in

Lenght photo = 7in

The length and width of the frame are 2x inches larger than the width and frame of the photograph so:

Width frame = 5in x 2 = 10 in

Lenght frame = 7in x 2 = 14 in

The perimeter is the distance around a two-dimensional shape. Then, the perimeter of the frame is:

Perimeter = 10 in + 14 in + 10 in + 14 in = 48in

What is 55/144 in it’s simplest form?

Answers

Answer:

It doesnt have one

Step-by-step explanation:

It is divided by the gretest factor already.

gulfside gifts has 48 boxes of postcards to sell. there are 24 postards in each box. if the shop sell 3 boxes of postcards, how many postcards does the shop hace left to sell. explain how you find the answer

Answers

If you times 24 by 48 then you get 1,152. 3 times 24 is 72. You would then subtract 1,152 by 72 which equals 1,080 postcards left is what the shop has to sell.

describe the shape Center and spread of data distribution. are ther any outliers numbers 12 10 11 9 9 10 12 9 8 7 9 10

Answers

No, there are not any outliers because all of the numbers are relatively close in value

Final answer:

The data distribution is a normal distribution with a mean of 10. The spread of the data is 5 and there are no outliers.

Explanation:

  • The data distribution can be described as a symmetric bell-shaped curve, indicating a normal distribution. The center of the distribution is the mean, which can be calculated by adding up all the numbers and dividing by the total count. In this case, the mean is 10.
  • The spread of the distribution can be determined by calculating the range, which is the difference between the highest and lowest values. In this case, the range is 12 - 7 = 5.
  • To determine if there are any outliers, we can use the concept of the interquartile range (IQR). The IQR is the range of the middle 50% of the data. First, we need to calculate the first quartile (Q1), which is the median of the lower half of the data, and the third quartile (Q3), which is the median of the upper half of the data. In this case, Q1 = 9 and Q3 = 11.
  • The IQR is then calculated as Q3 - Q1 = 11 - 9 = 2. Any data point that falls below Q1 - 1.5 * IQR or above Q3 + 1.5 * IQR is considered an outlier. Since there are no numbers that meet this criteria in this dataset, there are no outliers.

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Here are 45 vehicles in a parking lot three fifths of the vehicles are minivans how many of the vehicles in the parking lot are minivans

Answers

27 minivans
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Mr. Drew wants to build a square sandbox with an area of 400 square feet. What is the total length of wood Mr. Drew needs to make the sides of the​ sandbox?

Answers

Answer:

Mr. Drew wants to build a square sandbox with an area of 400 square feet. What is the total length of wood Mr. Drew needs to make the sides of the​ sandbox?

Step-by-step explanation:
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