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gogolik [260]
3 years ago
9

Ryan buys 61.5 ounces of lemonade for $24.60 find the unit price

Mathematics
1 answer:
Gekata [30.6K]3 years ago
8 0

Answer:

$0.4 for every ounce of lemonade

Step-by-step explanation:

$24.60 ÷ 61.5 ounces of lemonade = 0.4

Hope this is helpful!

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Consider the following hypothesis test:H0: 20Ha: < 20A sample of 60 provided a sample mean of 19.6. The population standard d
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Answer:

a: z = -1.936

b: 0.0265

d: z < -1.645

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Step-by-step explanation:

We are given:

H0:  µ = 20

HA:  µ < 20

n = 60, sample mean: 19.6, σ = 1.6

Since the alternate hypothesis has a < sign in it, it is a left tailed test.  The < or > sign in the alternate hypothesis points towards the rejection region.

For a:  We need to calculate the test statistic for our situation.  This is done with a z-score formula for samples.  

For b:  we need to use the z-score table to look up the p-value for the score we calculate in part a.  The p-value is 0.0265.  This means that there is only about a 2.65% chance that the sample values were a result of random chance.

For d:  Since the significance level is 0.05, and this is a one tailed test, we have a critical value of z < - 1.645.  This means that if the z-score we calculate in part a is less than -1.645, we will reject the null hypothesis

See attached photo for all the calculations!

4 0
3 years ago
What is the equivalent decimal to 1/2?
vova2212 [387]
0.5 is the decimal equivalent to 1/2
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The vertices of a triangle are labeled clockwise A(–5, 3), B(6, 1), and C(–2, –3). How could you show that the figure is a right
mafiozo [28]

Explanation:

When the points are plotted on a graph, it is easy to see that the slope of AC is -2 and the slope of BC is 1/2. These slope values have a product of -1, so the corresponding line segments are perpendicular to each other.

___

If you have studied vectors, you can find the dot product of AC with BC:

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  BC = (6, 1) -(-2, -3) = (8, 4)

The dot product is ...

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When the dot product of vectors is zero, they are perpendicular.

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3 years ago
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neonofarm [45]
The answer: x is equal to 50
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A jar contains 550 beans. Of all the beans, 2/5 are white beans and the rest are navy beans. What is the ratio of white beans to
LenKa [72]

Answer:

2/5 are white so 3/5 are navy

Step-by-step explanation:

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