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Montano1993 [528]
3 years ago
14

I need help on this statistic problem.

Mathematics
1 answer:
vladimir1956 [14]3 years ago
3 0

Answer:

Option B.

Step-by-step explanation:

In a regression of y in x, the proportion oh the variation in y explained by the variable x is shown in the R-squared value. So, for answering this question we need to look at the R-squared of such regression.

In this case the R-squared is 98.9% (or 0.989), so we will the option that matches this value. Looking at your options, the one that matches the R-squared is option B.

So, B is the correct option.

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Can you please solve for x?
MakcuM [25]

Answer:

The measurement of angle L is given by the expression 180° – 130°. So, angle L measures 50°.

Step-by-step explanation:

6 0
2 years ago
Which of the following are true statements?
MArishka [77]

Answer: Option A and Option B.

Step-by-step explanation:

You need to remember the logarithms properties:

log(a)+log(b)=log(ab)\\\\log(a)-log(b)=log(\frac{a}{b})\\\\log(a)^b=b*log(a)

You can observe in Option A:

logM^p=p*logM (This is true)

You can observe in Option B:

logM+logN=log(MN) (This is true)

You can observe in Option C:

logM-logN=log(M-N) (This is not true)

You can observe in Option D:

(logM)^p=p*logM (This is not true)

6 0
2 years ago
HEY YOU! STOP YOUR SCROLLING AND HELP ME OUT?! PLEASE?!
rusak2 [61]

t=2 should be your answer!

7 0
2 years ago
Read 2 more answers
The area of a room is 600 square feet. The length is (x+2) feet and the width is (x+3) feet. Find the dimensions of the room
m_a_m_a [10]
Create an equation using the formula for area of a rectangle; area = width * length
(X + 2)(x + 3) = 600
Multiply the dimensions.
X^2 + 3x + 2x +6 = 600, or simplified x^2 +5x + 6 = 600.
Subtract 600 to get the following:
X^2 + 5x - 594 = 0
Factor by x:
(X - 22)(x + 27) = 0
Solve for x
X - 22 = 0
X = 22.
Use the POSITIVE VALUE of x as you can’t have a negative area for a room.
Then substitute 22 for x to get the dimensions
(22+ 2) or 24 for length and (22+3) or 25 for width.
6 0
2 years ago
Please help me answer.
ololo11 [35]

Answer:

D. 251.2 feet

Step-by-step explanation:

On carefully observing the diagram,it can be seen that 80 feet is the diameter of the circular ride, i.e.,the circle,in this case.

The radius of the circle will be half the diameter,r=(80/2) feet=40 feet

The distance of one complete loop of this circular path will be the circumference of the circle.

So, Circumference

=2*π*r

=2*3.14*40 feet

=251.2 feet [ANS]

7 0
2 years ago
Read 2 more answers
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