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Dvinal [7]
3 years ago
10

Please show work and solve using formulas

Mathematics
1 answer:
Gala2k [10]3 years ago
4 0

Answer:

Step-by-step explanation:

well i will try my best with this one. So the formula for volume is length x with x height. So  the answer for #1 would be 3 . 5= 15, 15 + 6 = 21. so your answer for #1 would be 21 i think. I will let someone else do #2

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Step-by-step explanation:

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11,13,15,17 I need help with
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Step-by-step explanation:

[ Refer to the attached file ]

( Slide to refer all files )

________________________________

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3 years ago
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Is the side length 7√+2 rational or irrational?
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4 years ago
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A fruit company has 20% returns in periods of normal rainfall and -3% returns in droughts. The probability of normal rainfall is
WARRIOR [948]

Answer:

E(x) = 10.8\% \\\\

The fruit company’s expected returns are 10.8%

Step-by-step explanation:

The expected returns of the fruit company is given by

E(x) =\sum (x \cdot P(x)) \\\\

For the given case,

Returns in normal rainfall = x₁ = 20% = 0.20

Returns in drought = x₂ = -3% = -0.03

Probability of normal rainfall = P(x₁) = 60% = 0.60

Probability of drought = P(x₂) = 40% = 0.40

So, the expected value of returns is

E(x) = x_1 \cdot P(x_1)  + x_2 \cdot P(x_2)  \\\\E(x) = 0.20 \cdot 0.60  - 0.03 \cdot 0.40  \\\\E(x) = 0.12 - 0.012 \\\\E(x) = 0.108 \\\\E(x) = 10.8\% \\\\

Therefore, the fruit company’s expected returns are 10.8%

7 0
3 years ago
A two week old puppy weighs 11 ounces. Two weeks later, it weighs 15 ounces. Right in equation to represent the weight y of the
zhenek [66]

Answer:

  y = 2x +7

Step-by-step explanation:

We are given two points on the growth curve: (weeks, ounces) = (2, 11) or (4, 15).

These can be used to write the equation of a line using the 2-point form:

  y = (y2 -y1)/(x2 -1x)(x -x1) +y1

  y = (15 -11)/(4 -2)(x -2) +11

  y = 4/2(x -2) +11

  y = 2x +7 . . . . . y = weight in ounces x weeks after birth

_____

<em>Comment on the problem</em>

There are an infinite number of equations that can be written to go through the two given points. A linear equation is only one of them.

7 0
3 years ago
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