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astraxan [27]
2 years ago
12

What is the reciprocal of 5 3/4 ? 3 4/5 4/23 5 4/3 23/4

Mathematics
1 answer:
artcher [175]2 years ago
8 0

Answer:

23/4

Step-by-step explanation:

5 x 4 = 20

20 + 3 = 23

23/4

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The point (3, -4) is on the terminal side of an angle . What is cos ?
elena55 [62]
This is in the fourth quadrant where the cosine is positive 
By pythagoras the hypotenuse is 5 

so the cosine is 3/5   B
8 0
3 years ago
A recent report stated "Based on a sample of 170 truck drivers, there is evidence to indicate that, on average, independent truc
Aliun [14]

Answer:

The given statement describe inferential statistics.    

Step-by-step explanation:

Descriptive Statistic:

  • It helps us to summarize a given data set.
  • It could describe the entire population or a sample from the population.
  • There are two types of descriptive measures: measures of central tendency and measures of variability
  • Central Tendency: Mean, mode, Median
  • Measure of Viability: Standard Deviation, Variance, Range, Interquartile range

Inferential Statistic:

  • It s the process of estimating population parameter with the help of a sample from the population.
  • A random sample from the population is used to describe the population with the help of sample statistic.

Given Scenario:

"Based on a sample of 170 truck drivers, there is evidence to indicate that, on average, independent truck drivers earn more than company-hired truck drivers."

Thus, this is an example of a inferential statistics as a sample was used to estimate the population.

Here,

Sample:

Sample of 170 truck drivers

Population:

All truck drivers.

With the help of a sample, we approximated the population, thus, this statement describe inferential statistics.

8 0
3 years ago
A girl scout troop sold cookies. If the girls sold 5 more boxes the second week than they did the first, and if they doubled the
mihalych1998 [28]
We can let x be the number of boxes sold for the first week. We can as well express the number of boxes for the second and third week through x using the statements provided.

Since the girl scout sold 5 more boxes on the second week, we have (x + 5) number of boxes sold for the second week. Now, for the third week, since it's double that of the second week, we have 2(x + 5). Thus, we have the following:

first week: x
second week: x + 5
third week: 2(x + 5)

Given that the total number of boxes sold for the three weeks is 431. We have

x + (x + 5) + 2(x + 5) = 431
x + x + 5 + 2x + 10 = 431
4x + 15 = 431
4x = 431 - 15
4x = 416
x = 104

We have now the value of x. Using this, we can find the values for the second and third week.
x + 5 = `104 + 5 = 109
2(x + 5) = 2(109) = 218

Answer: 
first week: 104
second week: 109
third week: 218



5 0
3 years ago
What is the answer here B or D and why please only answer if you’r sure
kakasveta [241]

Answer:

D - ambiguous

Step-by-step explanation:

A common protagonists within the genre of psychological suspense could be a character that is very smart. A character like this allows the viewer to consider the possibility that their own rational fears going to be the challenge - as the character who is watching you go through frightening events is also rational. Because of this, such protagonists, proves to be very effective device within the genre of psychological suspense. Therefore, an ambiguous person is going to be more intelligent.

4 0
2 years ago
16. Giorgio bought a car for $21,000. The value of the car depreciates 5% each year. What will the
Lena [83]

Answer:

current value = 21000(1 - 0.05)^n

Step-by-step explanation:

This is a standard depreciation formula where n is the number of years.

6 0
3 years ago
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