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wel
3 years ago
14

marcus has 731 books. He puts about the same number of books on each 9 shelves in his bookcase. About how many books are in each

shelf?
Mathematics
2 answers:
DIA [1.3K]3 years ago
6 0
Marcus has about 81 book on all 9 of the book shelf
4vir4ik [10]3 years ago
5 0
The answer is around 81.

Happy studying ^-^
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What is 340 divided by 20?
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The answer to the problem is 17
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3 years ago
Use the data in LAWSCH85 for this exercise. (i) Using the same model as in Problem 4 in Chapter 3, state and test the null hypot
natka813 [3]

Answer:

Step-by-step explanation:

In the model

Log (salary) = B0 + B1LSAT +B2GPA +B3log(libvol) +B4log(cost)+B5 rank+u

The hypothesis that rank has no effect on log (salary) is H0:B5 = 0. The estimated equation (now with standard errors) is

               Log (salary) =    8.34 +    .0047 LSAT +   .248 GPA +   .095 log(libvol)

                                        (0.53)     (.0040)              (.090)            (.033)

                                         +     .038 log(cost)    – .0033 rank

                                              (.032)                    (.0003)

                   n = 136,    R2 = .842.

The t statistic on rank is –11(i.e. 0.0033/0.0003), which is very significant. If rank decreases by 10 (which is a move up for a law school), median starting salary is predicted to increase by about 3.3%.

(ii) LSAT is not statistically significant (t statistic ≈1.18) but GPA is very significance (t statistic  ≈2.76). The test for joint significance is moot given that GPA is so significant, but for completeness the F statistic is about 9.95 (with 2 and 130 df) and p-value ≈.0001.

6 0
3 years ago
A circle with a diameter of 10 has its center in the first quadrant. The lines y = -3 and x = -1 are tangent to the circle. Writ
yuradex [85]

Answer:

34

Step-by-step explanation:

6 0
3 years ago
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Sea level = 0
FromTheMoon [43]

Answer:

c. -70

Step-by-step explanation:

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7 0
3 years ago
Help please! Need to finish this assignment! Have more like this if someone could please help!
Alchen [17]

Answer:

\bar{AD}\parallel \bar{BC}

Step-by-step explanation:

If m\angle 4=m\angle8, then m\angle4 and m\angle4 are alternate interior angles.

This means that line segment AC is a transversal.

This implies that line segment AD is parallel to line segment BC.

The second choice is the correct answer.

8 0
3 years ago
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