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grigory [225]
3 years ago
6

Solve y=(x-1)^ +4

Mathematics
1 answer:
Dimas [21]3 years ago
3 0

Answer:

,nm

Step-by-step explanation:

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Use your knowledge about tire bebeling to fill out the following chert. Remember that I inch 254 mm
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Answer:

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Step-by-step explanation:

5 0
3 years ago
Unit rate for 240 kilometers and 2.5 hours show your work
Ivanshal [37]
To find the unit rate, you have to divide 240 by 2.5.
240/2.5 = 96
The answer is = 96 kilometers per hour.
4 0
3 years ago
An investment analyst takes a random sample of 100 aggressive equity funds and calculates the average beta as 1.7. The sample be
I am Lyosha [343]

Answer:

B) 1.622 to 1.778 includes the mean of the population beta.

Step-by-step explanation:

We have the standard deviation for the sample, so the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom,which is the sample size subtracted by 1. So

df = 100 - 1 = 99

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 99 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 1.9842

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 1.9842\frac{0.4}{\sqrt{100}} = 0.078

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 1.7 - 0.078 = 1.622.

The upper end of the interval is the sample mean added to M. So it is 1.7 + 0.078 = 1.778.

Thus the correct answer is given by option B.

8 0
3 years ago
Simplify the expression 9xy^2 - 11xy^2
tekilochka [14]
 Subtract 11xy^2- from 9xy^22 to get -2xy^2
7 0
3 years ago
What is an equation of the line that passes through the points (-4,-5) and<br> (-8, -2)?
Katena32 [7]

Step-by-step explanation:

first we need to find the slope of the line.

the slope is the ratio of "y coordinate change / x coordinate change" when going from one point to the other.

we see here

x changes by -4 (from -4 to -8).

y changes by +3 (from -5 to -2).

so, the slope is +3/-4 = -3/4

there are two main forms for the equation of a line :

the slope-intercept form

y = ax + b

and the point-slope form

y - y1 = a(x - x1)

where "a" is the slope, and (x1, y1) is a point on the line.

we can pick any point, and I would pick (-4, -5).

so we get as point-slope form

y + 5 = -3/4 × (x + 4)

or for the slope intercept form we simplify the point-slope form

y + 5 = -3/4 x + -3/4 × 4 = -3/4 x - 3

y = -3/4 x - 8

3 0
2 years ago
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