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Artist 52 [7]
2 years ago
9

Which statement is true about the purpose of trend lines in scatterplots? A trend line must pass through the largest data point.

A trend line must pass through the smallest data point. A trend line can be used to make predictions in real-world situations. A trend line shows the exact data points collected.
Mathematics
2 answers:
Lemur [1.5K]2 years ago
6 0

Answer:

C just took the test edge 2020

Step-by-step explanation:

Eddi Din [679]2 years ago
3 0

Answer:

a trend line can be used to make predictions in real-world situations (the third option)

Explanation:

the first & second options are wrong because it is not a requirement for a trend line to pass through any given data point.

the fourth option is wrong because a trend line shows the general upward/downward trend of the data, and may not necessarily touch all of the data points.

the third option is correct because a trend line helps to roughly estimate the trend (hence the name) of the graph, which allows us to make predictions in real-world situations.

i hope this helps! :D

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4 bells toll together at 9 am. They toll after 7, 8. 11 and 12 seconds respectively. How many times will they toll together agai
Svetach [21]

Answer:

5 times

Step-by-step explanation:

What we need to do here is to find the lowest common multiple of 7,8,11 and 12

This is;

1848

Now, let’s calculate the number of seconds in 3 hours

In 1 hour, we have 3600 seconds

In 3 hours, this will be;

3600 * 3 = 10,800 seconds

So, to find the number of times in which all 4 will toll together, we need to know the number of 1848 seconds in 10,800 seconds

Mathematically, that will be;

10,800/1848 = 5.844

Our answer will be 5 times however

This is because the sixth time they would have sounded together would be more than the 3 hours time frame

8 0
2 years ago
g A program executes a mix of different instruction types. 25% of the instructions require two clock cycles to execute, 20% requ
Tomtit [17]

Answer:

1.8 cycles

Step-by-step explanation:

The average number of clock cycles per instruction is given by the sum of the product of each possible number of cycles by its likelihood.

1 cycle: 50%

2 cycles : 25%

3 cycles : 20%

4 cycles : 5%

Avg = 0.5*1+0.25*2+0.20*3+0.05*4\\Avg= 1.8\ cycles

The average number of clock cycles per instruction is 1.8.

8 0
2 years ago
2X+3X+50=180 <br> X=WHAT<br> PLEASE HELP ASAP
kumpel [21]

Answer:

X=26

Step-by-step explanation:

8 0
2 years ago
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About 11% of people are left-handed. How e = 0.11• 30 e = 3.3 many people would you expect to be left-handed in a class about 3
Marizza181 [45]

Answer:

There are about 3 students that are left handed in a class. First Sara took the percentage of left handed people, 11%,  and multiplied it by the amount of students in the class, 30. She got 3.3 but you can't have 0.3 of a person so she rounded it down to 3.

6 0
2 years ago
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astra-53 [7]
Y varies directly as x: y=kx, k is a constant.
when x=7, y=21, so we know k=3
therefore, the equation is y=3x
8 0
3 years ago
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