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GenaCL600 [577]
3 years ago
13

Through: (-3, 5) and (-3,-1)

Mathematics
2 answers:
liraira [26]3 years ago
8 0

Answer:

x=.3

Step-by-step explanation:

the x is same and y is not meaning a vertical line

sdas [7]3 years ago
4 0

Answer:

x=-3

Step-by-step explanation:

The x values repeat and the y values are different that means its a vertical line

so it must be x=something the x value in both is -3 so

x=-3

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A member of the local department of transportation recorded the number of passengers that arrived on flights at the airport base
vodomira [7]

Answer:

The correct option is A,3875  passengers

Step-by-step explanation:

The curve of best fit for the date y=-5x^2+60x+3715

For April which month 4  which means that x is 4

By substituting 4 for x in the equation we can determine y, the number of passengers that arrived on flights at the airport  is determined thus.

y=-5*4^2+(60*4)+3715

y=-5*16+240+3715

y=-80+240+3715=3875

The number of passengers that arrived by flights in April, month 4 is 3875

3 0
3 years ago
A CD usually sells for $15.00. If the CD is 10% off, and sales tax is 5%, what is the total price of the CD, including tax?
dybincka [34]

Answer:

<em>The total price of the CD is $14.18</em>

Step-by-step explanation:

<u>Percentages </u>

We can compute additive or subtractive percentages by using these formulas. If we have a number X and want to increase it by Y%, then the increase is xY/100. Thus the new value for the number is x+xY/100 or equivalently

X(1+Y/100)

If we want to decrease by Z%, the new value is

X(1-Z/100)

The regular price for a CD is X=$15. The CD is Z=10% off, so the sale price is

15(1-10/100)=\$13.5

But we have to add the tax of Y=5%, so the final value is

13.5(1+5/100)=\$14.18

The total price of the CD is $14.18

5 0
3 years ago
You are interested in the psychological implications of high SES. You read a paper that claims that higher social class people b
dimaraw [331]

Answer:

Option C. The real effect is 0.1

Step-by-step explanation:

The complete question is  

You are interested in the psychological implications of high SES. You read a paper that claims that higher social class people behave more unethically. The paper reports a significant difference in the propensity of high and low SES people behaving unethically. The significance level of this study was 0.05, the ratio of true to false effects in this field is 0.35, but the author was anxious to issue a press release and prepare his TED talk, so power is low, at 0.1. The probability that this study reports a real effect is

A. 0.58

B. 0.95

C. 0.1

D. 0.35

E. 0.41

Solution

Ratio of true to false effects i.e T/F = 0.35  

The power of the study indicates the real effect of the study and hence despite the true/false ration being 0.35 and the significance level of study is 0.05, the real effect of the study would be 0.1

Hence option C is correct

8 0
3 years ago
How do I find the rule of a linear table ?
stellarik [79]

Answer:

start  by checking that it's a linear relationship that's occurring by having a look at the difference in our X in each step against the difference in our Y in each step.

Step-by-step explanation:

7 0
3 years ago
Describe a situation with an output of area in square feet that can be modeled using the function f(x)
postnew [5]
Answer: 3 feet
Step-by-step explanation: The area of a rectangular garden can be represented by the function
f(x) = x(2x + 5)
Find the area if the length, x, is 3 feet.
3 0
3 years ago
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