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natka813 [3]
3 years ago
12

Does anyone know the answers to this test???OFFERING LOTS PF POINTS. Just Incase the picture isn’t loading it’s the parametric f

unctions test Part 1 in pre calculus.

Mathematics
1 answer:
steposvetlana [31]3 years ago
6 0

Answer:

The correct choice is C

Step-by-step explanation:

The given curve is described by the parametric equations:

x=4-t

y=t^2-2

Let us eliminate the parameter by making t the subject in the first equation and substitute into the second equation;

t=4-x

We substitute this into the second equation to get:

y=(4-x)^2-2

This is the equation of a parabola whose vertex is at (4,-2)

The correct choice is C

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Which line represents the linear equation
IgorLugansk [536]

Answer:

The equation –3y = 15 – 4x rewritten in slope-intercept form is  

✔ y = (4/3)x – 5

.

The y-intercept is  

✔ –5

and the slope of the line is  

✔ 4/3

.

Line  

✔ B

is the graph of the line –3y = 15 – 4x.

8 0
3 years ago
Solve for r. 12 = r - (34 - 2) Show your work!
djverab [1.8K]
The answer would be -20
3 0
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A process is normally distributed and in control, with known mean and variance, and the usual three-sigma limits are used on the
Aleks [24]

Answer:

Check the explanation

Step-by-step explanation:

Ans=

A: For m = 5: P(³≥1) = 1 – P(³=0) = 1 – 0.9973^5 = 0.0134

M = 10: 1 – 0.9973^10 = 0.0267

M = 20: 1 – 0.9973^20 = 0.0526

M = 30: 1 – 0.9973^30 = 0.0779

M = 50: 1 – 0.9973^50 = 0.126

18)

Ans=

Going by the question and the explanation above, we derived sample values of the mean as well as standard deviation in calculating our probability, since that is the necessary value in determining the probability of an out-of-bounds point being plotted. Furthermore, we would know that that value for the possibility would likely be a poor es²ma²on, cas²ng doubt on anycalcula²ons we made using those values

7 0
3 years ago
1.) Shapera is dividing 6,324 by 12. The first step in her calculation is shown here. What is the best explanation of what the n
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Answer 2 is 12

Step-by-step explanation:

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7 0
2 years ago
So difficult!!! Someone help
Naya [18.7K]
When two lines cross like this, sum of measures of opposite angles is 180.
this means that:
measure angle AEC + measure angle BED = 180
4x-40 + x+50 = 180
5x +10 = 180
5x = 170
x = 34
therefore:
measure angle AEC = 4x-40 = 4(34)-40 = 96
measure angle BED = x+50 = 34+50 = 84
5 0
3 years ago
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