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3 years ago

Kaylee and her children went into a movie theater and will buy drinks and candies.

Mathematics

1 answer:

fenix001 [56]3 years ago

6 0

Answer:

c+d>15

Step-by-step explanation:

Usually there's more to the question.. the inequality doesn't look too right, but it could be.

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Please will give brainliest!!!!!!!!!!!!!!!!!!!!

inessss [21]

Answer:

I would say 0 but i wouldnt trust me im so srry Im trying to answer as many as I can if its wrong, report me im sorry

Step-by-step explanation:

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2 years ago

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An item is regularly priced at $40. It is now priced at a discount of 40% off the regular price. What is the price now?

Andreyy89

After discount, the price of the item is $24.00

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3 years ago

More evaluation that I need help on p.s you do not need to explain your work because I just need the answer

makvit [3.9K]

Your answer is C) 1/9

lol I just solved the other answer sorry but people are going to try and take free points so I needed to give an answer to show that someone did something. Hope I helped anyway. You don't need to mark brainliest, but I'd appreciate it if you did.

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3 years ago

Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is μd =

swat32

Answer:

Test statistic, $t_{s} = -0.603$ (to 3 dp)

Step-by-step explanation:

Deviation, d = x -y

Sample mean for the deviation

$\bar{d} = \frac{\sum x-y}{n}$

$\bar{d} = \frac{(28-6) + (31-27)+(20-26)+(25-25)+(28-29)+(27-32)+(33-33)+(35-34)}{8} \\\bar{d} = -0.625$

Standard deviation: $SD = \sqrt{\frac{\sum d^{2} - n \bar{d}^2}{n-1} }$

$\sum d^{2} = (28-26)^2 + (31-27)^2 +(20-26)^2 +(25-25)^2 +(28-29)^2 +(27-32)^2 +(33-33)^2 +(35-34)^2\\\sum d^{2} = 63$

$SD = \sqrt{\frac{63 - 8 * (-0.625)^2}{8-1} }$

SD =2.93

Under the null hypothesis, the formula for the test statistics will be given by:

$t_{s} = \frac{ \bar{d}}{s_{d}/\sqrt{n} } \\t_{s} = \frac{- 0.625}{2.93/\sqrt{8} }$

$t_{s} = -0.6033$

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2 years ago

Neeed Helppp plzzz ! True or False ?!!

Mamont248 [21]

Answer:

The answer to this is false.

Step-by-step explanation:

Xy is Xy and Yx is Yx.

So there you go.

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2 years ago

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