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11111nata11111 [884]
2 years ago
6

Which expression will result in a solution that is "undefined"?

Mathematics
1 answer:
allochka39001 [22]2 years ago
3 0

Answer:

B

Step-by-step explanation:

when a number is divided by zero it is undefined

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The coefficient of determination is used to: compute correlations for truncated ranges. compare the relative strength of coeffic
kozerog [31]

Answer: compare the relative strength of coefficients.

Step-by-step explanation: The Coefficient of determination usually denoted as R^2 is obtained by taking the squared value of the correlation Coefficient (R). It's value ranges from 0 to 1 and the value obtained gives the proportion of variation in the dependent variable which could be attributed to it's correlation or relationship to th independent variable. With a R^2 value close to 1, this means a large portion of Variation in a variable A could be explained due to changes in variable B while a low value signifies a low variance between the variables. Hence, the Coefficient of determination is used in comparing the relative strength of the Coefficients in other to establish whether a weak or strong relationship exist.

6 0
2 years ago
Question 2 Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 95
lianna [129]

Answer:

it will take 1.4 hours for the two trains to be 294 miles apart

Step-by-step explanation:

Let t be the time taken for each train

The westbound train travels at 95 miles per hour.

Speed of westbound train = 95

time = t

Distance = speed * time = 95 t

The eastbound train travels at 115 miles per hour

Speed of eastbound train = 115

time = t

Distance = speed * time = 115 t

both trains are 294 miles apart means the distance between both trains are 294 miles

So we add the distance of both trains and set it equal to 294

95t + 115t = 294

210 t =294

t = 1.4

So, it will take 1.4 hours for the two trains to be 294 miles apart

6 0
3 years ago
Julie assembles shelves for a department store and gets paid $3.25 per shelf. She can assemble 5 per hour and works 8 hours per
Jlenok [28]

Pay per shelf = $3.25

No of shelfs per hour = 5

Total hours per day = 8

Total days to find pay of = 7

= 3.25×5×8×7

= 910

Therefore she is paid $910 after 1 week.

Must click thanks and mark brainliest

5 0
3 years ago
Find the area of the rhombus.<br> 15in<br> 8in<br> 15in<br> 8in<br> a=[?]in^2
katrin2010 [14]

Answer:

the answer would he the letter b

7 0
1 year ago
If 2n - 7 = 5, what is the value of n?<br> *<br> A) 1<br> B) 6 <br> C) -1<br> D) 12
Contact [7]

The value of n is 6.

First, you must add 7 on both sides.

2n=12

Then, you must divide both sides by 2.

n=6

8 0
3 years ago
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