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saw5 [17]
3 years ago
8

Which inequality does this graph represent?

Mathematics
2 answers:
sp2606 [1]3 years ago
5 0

Yea the Answer is B: 3y - 6x > -6

I used Desmos (Graphing Calculator)

Sholpan [36]3 years ago
3 0

Answer:

B

Step-by-step explanation:

y intercept in this graph is -2 and the gradient is 2

B rearranged is y > 2x - 2

according to y = mx + c the gradient of b is 2 and the y intercept is 2 as well

The line is also dashed showing that it is a > not a greater than or equal to  

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Bottles of mango juice are assumed to contain 275 milliliters of juice. There is some variation from bottle to bottle because th
pentagon [3]

Answer:

Step-by-step explanation:

The mean of the set of data given is

Mean = (275.4 + 276.8 + 273.9 + 275.0 + 275.8 + 275.9 + 276.1)/7 = 275.56

Standard deviation = √(summation(x - mean)^2/n

n = 7

Summation(x - mean)^2 = (275.4 - 275.56)^2 + (276.8 - 275.56)^2 + (273.9 - 275.56)^2 + (275.0 - 275.56)^2 + (275.8 - 275.56)^2 + (275.9 - 275.56)^2 + (276.1 - 275.56)^2 = 5.0972

Standard deviation = √(5.0972/7) = 0.85

We would set up the hypothesis test.

For the null hypothesis,

µ = 275

For the alternative hypothesis,

µ ≠ 275

This is a 2 tailed test.

Since the number of samples is small and no population standard deviation is given, the distribution is a student's t.

Since n = 7

Degrees of freedom, df = n - 1 = 7 - 1 = 6

t = (x - µ)/(s/√n)

Where

x = sample mean = 275.56

µ = population mean = 275

s = samples standard deviation = 0.85

t = (275.56 - 275)/(0.85/√7) = 1.74

We would determine the p value using the t test calculator. It becomes

p = 0.132

Because the p-value of 0.132 is greater than the significance level of 0.05, we would fail to reject the null hypothesis. We conclude the data does not provide convincing evidence that the mean amount of juice in all the bottles filled that day differs from the target value of 275 milliliters.

8 0
3 years ago
I need it ASAP please help!!
alekssr [168]

Answer:

5,4,6,-7

Step-by-step explanation:

The y's are range

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Line segment AB is translated 5 units right and 2 units down followed by a rotation of 180o about the origin. The resulting imag
sergeinik [125]
The correct answer is c
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Oh ok. So I think that x is 83. Because I did this 630-100-121-106-112-108=83. And then I did 630/6 and got 105 and thats the mean.
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I cannot find the answer to this question please help
Troyanec [42]
The answer would be 689
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