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il63 [147K]
3 years ago
9

50 times 90 equeals what look at the comments

Mathematics
1 answer:
Nastasia [14]3 years ago
6 0

Answer:

50 x 90 = 4,500

Step-by-step explanation:

Calculator

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The overall regression F-statistic tests the null hypothesis that:____.
AnnZ [28]

Answer:

A

Step-by-step explanation:

F test is a statistical method used to determine which models best fits the population from which the sample is derived. It is a ratio of two variances. Variance measure the rate of dispersion

The formula for calculating f-test = explained variance / unexplained variance

There are two hypothesis in an f test :

1. the  null hypothesis  - all slope coefficient are equal to zero

the alternative hypothesis : at least one of the slope coefficient is not equal to zero

8 0
2 years ago
50% of 180 dancers said they prefer hip hop class over tap class. How many dancers prefer hip hop class?
Simora [160]

Answer:

90

Step-by-step explanation:

50% of 180 = 90%

90% is the answer.

3 0
2 years ago
Faith reads each night before bed. She read 623 pages last week. If she read the same number of pages every night, which equatio
Alona [7]

Answer:

 x= 623/7      x =89              89 pages every night

Step-by-step explanation:

A week has 7 days

She reads 623 pages in one week(623 in 7 days)

5 0
3 years ago
$34 jacket 10% markup
maksim [4K]

The answer would be 37.4 because 10% of 34 would be 3.4 and 3.4 plus 34 would be 37.4

7 0
3 years ago
Find the midpoint of the segment with the given endpoints <br><br> (-9,-9) and (7,5)
Mice21 [21]

Answer:

  • (-1, -2)

Step-by-step explanation:

<u>Given points</u>

  • (-9,-9) and (7,5)

<u>Midpoint is</u>

  • ((-9 + 7)/2, (- 9 + 5)/2) =
  • (-2/2, -4/2) =
  • (-1, -2)
5 0
2 years ago
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