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Ghella [55]
3 years ago
9

Use your graphing calculator to solve the equation graphically in the interval [4,7]

Mathematics
1 answer:
Scilla [17]3 years ago
8 0

Answer:

x = 5.200

Step-by-step explanation:

Given equation is,

x³ - 4.6x² - 7.03x = -20.332

x³ - 4.6x² - 7.3x + 20.332 = 0

By graphing this equation with the help of a graphing calculator,

Solutions of the equation are the points where y = 0.

In other words, x intercepts are the solutions.

Solutions for the given equation are,

x = -2.3, 1.7 and 5.2

Therefore, solution for the given equation in the interval [4, 7] is x = 5.200

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Answer:

≈ 78mi^2

Step-by-step explanation:

To find approximate land area:

296,550/3,800 = 78.039

Round to nearest whole number:

Area = 78

8 0
3 years ago
A normal distribution has a mean of 20 and a standard deviation of 4. Determine the z-score for the data value of 42.
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8 0
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Answer:

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Step-by-step explanation:

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Paladinen [302]

Answer:

Option A.

Step-by-step explanation:

It is given that the smallest of 6 consecutive integers is p. So, all numbers are

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The greatest is q.  

q=p+5

Now, the value of the average of p and q in terms of p is

Average=\dfrac{p+q}{2}

Average=\dfrac{p+p+5}{2}

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Therefore, the correct option is A.

3 0
3 years ago
What is the slope?
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Answer:

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Step-by-step explanation:

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