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SpyIntel [72]
3 years ago
15

-5x - 6= 1 can someone tell me the answer

Mathematics
1 answer:
prisoha [69]3 years ago
5 0

Answer:

Move all terms that don't contain  

x

to the right side and solve.

Exact Form:

x = - 7 /5

Decimal Form:

x = − 1.4

Mixed Number Form:

x = − 1  2/ 5

Step-by-step explanation:

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Do 86 x 4 = answer.......Tell me when you got it :)
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The measures of one of the angles of a triangle is 35.The sum of the measures of the other two angles is 145 and the difference
jok3333 [9.3K]

Answer:

The measures of the angles are 65° and 80°

Step-by-step explanation:

One of the angles is 35°

We know that the other two angles have a difference of 15°

With this knowledge we can write an equation.

2x symbolizes the two angles

+15 symbolizes the difference between the two angles

145 = 2x + 15

145 - 15 = 130

2x = 130

x = 65

65 is the size of one of the angles.

Next, we add 15 to 65 and we get 80

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4 years ago
A normal distribution has a mean of 60 and a standard deviation of 2. Determine the z-
a_sh-v [17]

Answer: z score is -19

Work Shown:

x = 22 is the raw score

mu = 60 is the mean

sigma = 2 is the standard deviation

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z = (22 - 60)/2

z = -38/2

z = -19

The z score of -19 means we are 19 standard deviations below the mean. Anything beyond 3 standard deviations is often considered unusual/rare as most of the data in the normal distribution is within 3 standard deviations (approximately 99.7% of the distribution)

6 0
3 years ago
Please solve these. i need help please.<br> worth 30 points.
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Parking at a large university can be extremely difficult at times. One particular university is trying to determine the location
Anna007 [38]

Answer:

The phrase "95% confident" means that there is a 95% confidence that the true mean parking time of students from within the various college on campus is included in the interval (9.1944, 11.738).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population parameter implies that there is a (1 - <em>α</em>) probability that the true value of the parameter is included in the interval.

Or, the (1 - <em>α</em>)% confidence interval for the parameter implies that there is (1 - <em>α</em>)% confidence or certainty that the true parameter value is contained in the interval.

From the provided data the 95% confidence interval for the population mean parking time of students from within the various college on campus is:

CI = (9.1944, 11.738)

This 95% confidence interval implies that the true mean parking time of students from within the various college on campus is included in the interval (9.1944, 11.738) with a specific probability or confidence of 95%.

Thus, the phrase "95% confident" means that there is a 95% confidence that the true mean parking time of students from within the various college on campus is included in the interval (9.1944, 11.738).

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