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timofeeve [1]
3 years ago
6

How many solutions does the following system of equations have? 2y= 5x + 4 1 = 3x + 2

Mathematics
1 answer:
Elden [556K]3 years ago
4 0

Looks like a pretty regular system, no parallel lines.  In fact the second equation is a vertical line as written; not sure if that's a typo.  Either way,

Answer: EXACTLY ONE SOLUTION

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the answer is 7 feet and 5 inches

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The principal of a large high school wants to learn about student opinion regarding remote learning versus in person learning. E
jasenka [17]

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Step-by-step explanation:

the students that are in the survey are in it because they like the subject, rather than picking students from both types of groups, the ones that aren't doing remote learning and the ones that are doing remote learning.

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Step-by-step explanation:

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Your round trip drive to school is 3 7/10 miles.how many miles do you drive to and from school in 5 days?
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Answer:

18 1/2 miles

Step-by-step explanation:

3 7/10 * 5

Change to an improper fraction

(10* 3 + 7)/10    * 5

37/10 *5

Rewriting

37 * 5/10

37/2

Changing back to an mixed number

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5 0
3 years ago
The average age in a sample of 190 students at City College is 22. As a result of this sample, it can be concluded that the aver
m_a_m_a [10]

Answer:

The true mean \mu it probably could be larger, smaller, or equal to 22

Step-by-step explanation:

False.

By definition the sample mean is defined as:

\bar X = \frac{\sum_{i=1}^n X_i}{n}

For this case the value for the sample size is n =190 and the calculated sample mean is \bar X=22. This value represent the sample and for this case we can't assume that this value represent at all the population as the population mean \mu since we probably have variability from the data of the students at City College.

So we can conclude that the true mean \mu it probably could be larger, smaller, or equal to 22

7 0
3 years ago
Read 2 more answers
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