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Alexandra [31]
2 years ago
11

He temperatures (in degrees Fahrenheit) in Long Island recorded by the weather bureau over a week were 42, 49, 53, 55, 50, 47, a

nd 52. Which measure should the weather bureau use to find the middle temperature of the week? A. mean B. median
Mathematics
2 answers:
love history [14]2 years ago
8 0

Answer:

Median is the answer

Step-by-step explanation: 100%

VLD [36.1K]2 years ago
7 0

Answer: Median

Step-by-step explanation: The median is the middle number.

(also i'll give the definitions of mean, mode, and range in case you need it)

Mean - average

Mode - the value that appears the most

Range - The largest value subtracted by the smallest value

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ruslelena [56]

Answer:

x ≥-24

Step-by-step explanation:

3 - x/2 ≥ 15

Subtract 3 from each side

3-3 - x/2 ≥ 15-3

-x/2 ≥12

Multiply by -2

-x/2 * -2 ≥12 *-2

x ≥-24

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Water weighs 62.4 pounds per cubic foot. How much does the water in a tank that measures 7 ft × 4 ft × 9 in, weigh?
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Answer:

  • <u>1,310 lb</u>

Explanation:

<u>1) Calculate the volume of the water in the tank.</u>

  • Area of the base of the tank: B = 7 ft × 4 ft = 28 ft²
  • Height of the tank: H = 9 in = 9 in × 1 ft / 12 in = 0.75 ft
  • Volume of the tank: V = area of the base × height = B × H = 28 ft² × 0.75 ft = 21 ft³.

<u>2) Calculate the weight of 21 ft³ of water.</u>

Since this is not a chemistry question but a math question, I will not use the fomula of density but set a proportion with one unknown:

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Solve for x:

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So, rounding to the next integer, the water in the tank weighs 1,310 pounds, when it is full.

6 0
3 years ago
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Answer:

6.

Step-by-step explanation:

6×5 = 30 (product=multiplication)

30+12=42 (increased=addition)

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