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givi [52]
3 years ago
11

Which system has no solution? Check all that appy.

Mathematics
1 answer:
Ainat [17]3 years ago
7 0
The first equation has no solution



The picture shows all the work I did, the reason I took a pic is because it is a little hard to explain by text, but I hope this helped you!

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Suppose I claim that the average monthly income of all students at college is at least $2000. Express H0 and H1 using mathematic
pishuonlain [190]

Answer:

For this case we want to test if the the average monthly income of all students at college is at least $2000. Since the alternative hypothesis can't have an equal sign thne the correct system of hypothesis for this case are:

Null hypothesis (H0): \mu \geq 2000

Alternative hypothesis (H1): \mu

And in order to test this hypothesis we can use a one sample t or z test in order to verify if the true mean is at least 200 or no

Step-by-step explanation:

For this case we want to test if the the average monthly income of all students at college is at least $2000. Since the alternative hypothesis can't have an equal sign thne the correct system of hypothesis for this case are:

Null hypothesis (H0): \mu \geq 2000

Alternative hypothesis (H1): \mu

And in order to test this hypothesis we can use a one sample t or z test in order to verify if the true mean is at least 2000 or no

7 0
3 years ago
A study concludes that 15 percent of all college students attend a gym class. Which of the following statements is true? 15 perc
yanalaym [24]
I think it is 15 percent is a statistic.
I am not 100% sure if it is right or not but I hope it helps!
4 0
3 years ago
Read 2 more answers
Marcella bought a 25-ounce bottle of olive for $5.88. She used 60% of the olive in two weeks. Which of the following is the cost
sergij07 [2.7K]
Aprox.$3.52. if you ever need to find the percentage of something you just times it by the fraction. e.g. 60% of 5 = 5x0.6. so all you need to do to figure this out is to find 60% of 5.88 which is  apporxamitely 3.52
3 0
4 years ago
A rectangle has perimeter 70 cm and length 29 cm. What is its width?
Murrr4er [49]

Answer:

6 cm

Step-by-step explanation:

70=29+29+2x

70=58+2x

70-58=2x

12=2x

12/2=x

6=x

Check: 29+29+6+6=70

4 0
3 years ago
Read 2 more answers
PLEASE please help me out!!!!!! :)
Molodets [167]

The feasible region is shown in the picture above. The horizontal axis is the X axis.

If you now draw a family of lines parallel to 5x+4y=C through the region, increasing $C$, that is, the X-intercept, we will have the maximum value of $C$ when the line passes through the endpoint $(-2,6)$ .

Hence, $C=5(-2)+4(6)=14$

7 0
3 years ago
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