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Sergeeva-Olga [200]
3 years ago
13

Are the following lines parallel, perpendicular, or neither?

Mathematics
1 answer:
sashaice [31]3 years ago
7 0

Answer:

Neither

Step-by-step explanation:

equation 1 is a negative slope, equation 2 is a positive slope, but with a different slope.

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Select all statements that are true about the linear equation. y=12x−4y=12x-4 The graph of the equation is the set of all points
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I think the answer is A,B, and D.
Where these the answers?
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3 years ago
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david a high school senior was wondering if the cost of attending college is worth the expense. he collected the following data
dimulka [17.4K]

Answer:

Part A: Based on the information collected, who will have the higher mean annual salary?  

College graduates have a higher mean by about $20,000

 

Part B: If you were to graph this data, what would be important to consider?  

The data should be graphed on the same axis and scale so comparisons are possible

Step-by-step explanation:

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Find the inverse function of
shtirl [24]

Answer:

f(x) = 20x - 4 \\ substitute \: y \: for \: f(x) \\ y = 20x - 4 \\ interchange \: x \: and \: y \\ x = 20y - 4 \\ swap \: the \: sides \: of \: the \: equation \\ 20y - 4 = x \\ move \: the \: constant \: to \: the \: right \: hand \\ 20y = x + 4  \\ divide \: both \: sides \: by \: 20 \\ y =  \frac{1}{20} x +  \frac{1}{5}  \\ substitute \: f {}^{ - 1} (x) \: for \: y \\ f {}^{ - 1} (x) =  \frac{1}{20} x +  \frac{1}{5}

The domain of the inverse of a relation is the same as the range of the original relation. In other words, the y-values of the relation are the x-values of the inverse.

Thus, domain of f(x): x∈R = range of f¯¹(x)

and range of f(x): x∈R =domain of f¯¹(x)

3 0
2 years ago
Please include step by step
mote1985 [20]

Answer:

x=2 AB=hypotenus(h) angle ACB is 90

BC=p angle CAB is 30 also angle of refrence

Step-by-step explanation:

sin[30]=p/h

(1/2)=x/4

2x=4

x=2

5 0
3 years ago
The probability that a student chosen at random from your class is a psychology major is .18. What is the probability that a stu
devlian [24]

Answer:  0.82

Step-by-step explanation:

We know that :

For any event A , the probability of not getting A is given by :-

P(not A)= 1- P(A)

Given : The probability that a student chosen at random from your class is a psychology major is P( psychology major) =0.18.

Then, the probability that a student chosen at random from your class is not a psychology major will be :

P(not psychology major)= 1 - P(psychology major)

= 1-0.18=0.82

Hence, the probability that a student chosen at random from your class is not a psychology major= 0.82

5 0
3 years ago
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