What is 25 divided by 2350
2 answers:
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Answer:
13. y = -4x + 6
14. y = 1/2x - 2
Step-by-step explanation:
You want to put y on one side and the rest of the numbers on the other side. You can do this by adding or subtracting or dividing the numbers/variables on the left.
13.
4x + y = 6
subtract both sides by 4x
y = 6 - 4x
or rewritten as:
y = -4x + 6
14.
-3x + 6y = -12
add both sides by 3x
6y = 3x - 12
divide both sides by 6
y = 1/2 x - 2
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Answer:
Step-by-step explanation:
Given the data representation of the strength of nine randomly selected casts (in psi) as 3960, 4090, 3200, 3100, 2940, 3830, 4090, 4040, 3780.
MEAN
Mean is the average of the samples
is thw sum of the given data
N is the sample size
is the mean
Hence the mean of the data is 3,670psi
MEDIAN
Median is the value at the middle of the data after rearrangement.
On rearranging in ascending order
2940, 3100, 3200, 3,780) 3,830 (3,960, 4040, 4090, 4090
It can be seen that the middle value is 3860. Hence the median of the data is 3860psi.
MODE
Mode is the most occurring data in the dataset. It is the data with the highest frequency. From the data, it can be seen that the only data occurring most (twice) is 4090, hence the modal value is 4090psi