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Delicious77 [7]
3 years ago
9

Which explains why this system has no solution?

Mathematics
2 answers:
den301095 [7]3 years ago
7 0

Answer:

 C. Each has a slope of –3, but one has a y-intercept of 3 and the other has a y-intercept of –1, which makes the lines parallel.

Step-by-step explanation:

Parallel lines will have no solution, since they share no points. To be parallel, they will have the same slope and different intercepts.

___

If the intercepts and slopes are the same, the lines are identical and there will be an infinite number of solutions.

natta225 [31]3 years ago
3 0

Answer:

Your Answer is C

Step-by-step explanation:

Parallel lines will have no solution, since they share no points. To be parallel, they will have the same slope and different intercepts.

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Answer:

12% of 60, 400% of 18, 55% of 220

Step-by-step explanation:

12% of 60 =7.2

55% of 220 = 121

400% of 18 = 72

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The CEO of a software company is committed to expanding the proportion of highly qualified women in the organization’s staff of
pishuonlain [190]

Answer:

Null Hypothesis, H_0 : p \geq 45%    

Alternate Hypothesis, H_A : p < 45%

Step-by-step explanation:

We are given that the proportion of women in similar sales positions across the country in 2004 is less than 45%.

The collected random sample of size 50 showed that only 18 were women.

<u><em>Let p = proportion of women in similar sales positions across the country in 2004</em></u>

So, Null Hypothesis, H_0 : p \geq 45%    

Alternate Hypothesis, H_A : p < 45%

Here, <u><em>null hypothesis states that</em></u> the proportion of women in similar sales positions across the country in 2004 is more than or equal to 45%.

On the other hand, <u><em>alternate hypothesis states that</em></u> the proportion of women in similar sales positions across the country in 2004 is less than 45%.

The test statistics that would be used here is One-sample z proportion test statistics, i.e;

                        T.S.  =  \frac{\hat p -p}{\sqrt{\frac{\hta p(1-\hat p)}{n} } }  ~ N(0,1)

Hence, the above hypothesis is appropriate for the given situation.

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5) The scale of a map is 1 inch : 10 miles.
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