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Georgia [21]
3 years ago
10

Can I have some help with this? Construct a linear function that has a slope of -3 and passes through the point (-2,3).

Mathematics
1 answer:
Arisa [49]3 years ago
4 0

Answer:

-3x-3

Step-by-step explanation:

We want our equation to look like this

y=mx+b

we know that m= -3 so we just need to find b

We can start by plugging in the ordered coordinates into our equation

3=(-3)(-2)+b

Solve for b

3=6+b

b= -3

Which means our final equation is

y= -3x-3

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Step-by-step explanation:

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3 years ago
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Find the inverse of the given function. (pictured below)
zavuch27 [327]

Answer:

4

3

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Step-by-step explanation:

f(x) = y = -1/2 × sqrt(x+3)

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x = 4y² - 3

now renaming this, so that the normal symbols and names are used for this function definition, so that the input variable is called "x" :

f-1(x) = 4x² - 3

basically, just by itself, this function would be defined for all possible real values of x.

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4 0
3 years ago
Suppose the population of all public universities shows the annual parking fee per student is $110, with a standard deviation of
vampirchik [111]
The probability would be 0.9738.

We first find the z-score for each end of this interval:

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z = (x-μ)/(σ/√n) = (115-110)/(18/√49) = 5/(18/7) = 1.94

Using a z-table (http://www.z-table.com) we see that the probability that a score is less than the first z-score is 0.  The probability under the curve to the left of, less than, the second z-score is 0.9738.  Subtracting these we find the area between them:
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3 0
3 years ago
The weight of mr nazeer is 7 times that of his son. What's the ratio of their weights?
Mekhanik [1.2K]

Answer:

<h3>7:1</h3>

Step-by-step explanation:

Let the weight of mr nazeer be x

Let the weight of his son be y

If the weight of mr nazeer is 7 times that of his son, then x = 7y

To get the ratio of their weight:

Ratio = weight of father/weight of son

Ratio = 7y/y

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Hence the ratio of their weights is 7:1

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4 years ago
Pls help me with this problem
Luden [163]

Answer:

A is going to be 2.80

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Step-by-step explanation:

Hope this Helped

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