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geniusboy [140]
3 years ago
8

Simplify to get the right answer

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0

The correct answer would be: 18+18i

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What is the percent of decrease from 40 to 26?
inessss [21]

Answer:

65%

Step-by-step explanation:

STEP ONE:

Find unit percent of 40. You should get 0.4.

STEP TWO:

Divide 26 by 0.4 and get 65.

So, the answer is 65%.

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Exact Form:

√ 30

Decimal Form:

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The lowest recorded temperature in a town was 4ºF, without the windchill. With the wind, the temperature felt like 10ºF below ze
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max2010maxim [7]

Based on the right angle triangle and the given parameters, cos K = 5/13

<h3>Trigonometric ratios</h3>

  • sin = opposite / hypotenuse

  • cos = adjacent / hypotenuse

  • Tan = opposite / adjacent

Given parameters:

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  • Adjacent = 5
  • Opposite = 12

Therefore,

cos K = adjacent / hypotenuse

cos K = 5/13

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Jocelyn is training for a race by running several miles each day. she tracks her progress by recording her average speed in minu
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Finding the regression equation, her average speed on the 9th day should be expected to be of 6.92 minutes per mile.

<h3>How to find the equation of linear regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

Researching the problem on the internet, the values of x and y are given as follows:

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  • Values of y: 8.2, 8.1, 7.5, 7.8, 7.4, 7.5.

Hence, using a calculator, the equation for the average minutes per mile after t days is given by:

V(t) = -0.15143t + 8.28

Hence, for the 9th day, t = 9, hence the estimate is:

V(9) = -0.15143(9) + 8.28 = 6.92 minutes per mile.

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2 years ago
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