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RideAnS [48]
3 years ago
10

A newspaper reports the following changes in the temperature of a city over 4 days: 3.24 degrees Celsius, negative 3 over 8 degr

ees Celsius, −0.15 degrees Celsius, 7 over 9 degrees Celsius Write an expression to show the average daily change in the temperature of the city. Write the steps to solve the expression. Round your answer to the nearest hundredth.
Mathematics
2 answers:
Gnom [1K]3 years ago
5 0

Answer:

  • 0.87°C

Step-by-step explanation:

<u>Given data:</u>

  • 3.24, -3/8, -0.15, 7/9

<u>Sum up the data and find the average:</u>

  • (3.24 - 3/8 - 0.15 + 7/9)/4 ≈ 0.87°C

evablogger [386]3 years ago
4 0
  • Given Temperatures =3.24°C,-3/8°C,-0.15°C,7/9°C
  • Total temperatures=4

Average=Sum of Temperatures/No of Temperatures

\\ \sf\longmapsto \dfrac{3.24-\dfrac{3}{8}-0.15+\dfrac{7}{9}}{4}

\\ \sf\longmapsto 0.87°C

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Find the distance between the points (2,2) (5,5)
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Answer: root18


Step-by-step explanation:

A (2,2) x1=2 y1=2

B (5,5) x2=5 y2=5

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3 years ago
The length of a rectangle is 8 inches longer than the width. If the area is 295 square inches, find the
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Answer:

L=21.6in and w=13.6

Step-by-step explanation:

If the length is 8 inches longer than its width, we can write the width as "w" and the length as the width w+ 8

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W

----------

| |

| |

| | L = w+8

| |

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-----------

A = (w+8)(w)

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Need to solve this quadratic equation

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Solve these and get

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Only one that makes sense in real life is the poitive one.

So the dimensions are

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Length = 21.64 inches

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