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Masteriza [31]
3 years ago
13

Use substitution to solve the following system of equations. -3x + 2y = 5 AND x = 2y - 3

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
5 0

Step-by-step explanation:

everything can be found in the picture

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A manager wants to test whether two normally distributed and independent populations have equal variances. the appropriate test
SSSSS [86.1K]

A manager wants to test whether two normally distributed and independent populations have equal variances. the appropriate test statistic for this test is a "F-statistics."

<h3>What is F-statistics?</h3>

An F statistic is a value obtained after performing an ANOVA test or even a regression analysis to determine whether the means of two populations differ significantly.

Some key features regarding the F-statistics are-

  • It is comparable to a T statistic from the a T-Test; a T-test would then inform you when a single result is statistically significant, whereas a F test would then tell you if a set of variables is statistically significant.
  • When determining whether your total results are significant, you must use the F statistic in conjunction with the p value. Why?
  • A significant result does not imply that all of your variables have been significant.
  • The statistic is simply comparing the cumulative influence of all the variables.

To know more about the F-statistics, here

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3 0
2 years ago
Can somebody please help me with this math question
nata0808 [166]

Dc=ac

Step-by-step explanation:

8 0
3 years ago
An expression has an answer. An equation has a​
Pepsi [2]

Answer:

an equals sign

Step-by-step explanation:

7 0
3 years ago
Solve -x/3 ≥ 5.<br> x ≥ 15<br> x ≤ 15<br> x ≥ - 15<br> x ≤ - 15<br> Apex
Delicious77 [7]

Answer:

-x/3 ≥ 5

L.C.M= 3

3 × -x/3 ≥ 5 × 3

-x ≥ 15

-x/-1 ≥ 15/-1

x ≤ -15

4 0
3 years ago
Help me please these are for my finals. ! :(
Degger [83]

Answer:

negitive

Step-by-step explanation:

good luck on finals

4 0
2 years ago
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