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Karolina [17]
3 years ago
15

Y/7 =2/x do those show direct variation ​

Mathematics
1 answer:
saul85 [17]3 years ago
5 0

Answer:

y/7 =2/x does not show direct variation

Step-by-step explanation:

y/7 =2/x is one equation, so please ask, "Does y/7 =2/x represent direct variation?"

Let's solve this y/7 =2/x for y:  Mult. both terms by 7.

We obtain y = 14/x.  This does NOT have the form of a direct proportion because that x is in the denominator.

So, no, y/7 =2/x does not show direct variation.

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A bottling company uses a filling machine to fill plastic bottles with a popular cola. The bottles are supposed to contain 300 m
Lana71 [14]

Answer:

0.16

Step-by-step explanation:

For a normal distribution, the 68-95-99.7 rule says that 68% of the distribution lies within 1 standard deviation from the mean, 95% within two standard deviations and 99.7% within three standard deviations.

From the question,

Mean μ = 298 ml

Standard deviation σ = 3 ml

A value of 295 ml is within one standard deviation = 68%.

Since it's on the lower side, it's within 68% ÷ 2 = 34%.

The lower half below the mean is 50% of the distribution. Hence, for a selection less than 1 standard deviation, the probability is

50% - 34% = 16% = 0.16

5 0
3 years ago
Graphing sinusoidal functions I really need help.
Zielflug [23.3K]
Answer: With the following g<span>iven the formula of a </span>sinusoidal function<span> of the form a*f(bx)+d, you can draw its </span>graph with this information. 

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3 0
3 years ago
PLS help
neonofarm [45]

Answer:

There is an error in line 2; segment BE should be a perpendicular bisector.

Step-by-step explanation:

I took the test, i got it right. :)

3 0
2 years ago
Read 2 more answers
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grigory [225]
6m² + 7m should be the answer
6 0
1 year ago
Could i please get some help?
stepladder [879]
1: slope = 2/1 or 2
2: slope = 5/-5
3: slope = 3/2
4: slope = 7/-4
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6: slope = 2/-8
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8: slope = 2/-4
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3 years ago
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