Sarah drinks a 32oz energy drink containing 90 calories per 12oz. How many calories did she drink?

Mathematics

2 answers:

kondaur [170]2 years ago

6 0

Multiply

90 calories x

------------------- * -------------- will tell you how many calories Sarah drank.

12 oz 32 oz

12x = (90)(32) = 2880, so x = 240

Sarah drank 240 calories.

Aliun [14]2 years ago

3 0

Answer:

Sarah drinks 240 oz of energy drinks.

Step-by-step explanation:

Let us suppose she drinks x calories of drink.

Now, in per 12 oz of drink, the amount of energy = 90 calories

And she drinks 32oz energy drink . Therefore, we have the equation

$\frac{12}{90}=\frac{32}{x}$

On solving the equation for x

$12x=90\times32\\\\x=\frac{90\times32}{12}\\\\x=240$

Therefore, Sarah drinks 240 oz of energy drinks.

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Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably norma

Nataliya [291]

Answer:

The degrees of freedom is 11.

The proportion in a t-distribution less than -1.4 is 0.095.

Step-by-step explanation:

The complete question is:

Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably normally distributed, and that a t-statistic will be used for inference about the difference in sample means. State the degrees of freedom used. Find the proportion in a t-distribution less than -1.4 if the samples have sizes 1 = 12 and n 2 = 12 . Enter the exact answer for the degrees of freedom and round your answer for the area to three decimal places. degrees of freedom = Enter your answer; degrees of freedom proportion = Enter your answer; proportion

Solution:

The information provided is:

$n_{1}=n_{2}=12\\t-stat=-1.4$