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3 years ago

This question. Help?

Mathematics

1 answer:

Lemur [1.5K]3 years ago

3 0

Answer:

A: venti has a better unit rate at .2275 cents per ounce

B: to get the unit rate you divide the cost by the number of ounces.

Step-by-step explanation:

tall = .2958 cents per ounce

grande = .2656 cents per ounce

venti = .2275 cents per ounce

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How do you find the equation of a linear model when given the graph but not the equation

larisa86 [58]

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y= mx+b
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the m value is the slope. slope is rise/run, which simply means the # of units it goes up/down, divided by the # of units it goes right/left.
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2 years ago

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2 years ago

Determine if the set of numbers create a Pythagorean triple. 2.1, 7.2, and 7.5

Minchanka [31]

Answer:

Yes, the set of numbers create a Pythagorean triple

Step-by-step explanation:

we know that

If a set of numbers create a Pythagorean triple, then the set of numbers must satisfy the Pythagorean Theorem

$c^2=a^2+b^2$

where

c is the greater side

a and b are the legs (perpendicular sides)

we have

$c=7.5\\a=2.1\\b=7.2$

substitute

$7.5^2=2.1^2+7.2^2$

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therefore

Yes, the set of numbers create a Pythagorean triple

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2 years ago

A safety auditor at a paint factory took a random sample of 25 cans of paint from a production run of over

stepan [7]

Using the t-distribution, as we have the standard deviation for the sample, it is found that the 95% confidence interval is (29.6, 44.4).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

$\overline{x} \pm t\frac{s}{\sqrt{n}}$

In which:

$\overline{x}$ is the sample mean.

t is the critical value.

n is the sample size.

s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a <u>two-tailed 95% confidence interval</u>, with 25 - 1 = <em>24 df</em>, is t = 2.0639.

The other parameters are given by:

$\overline{x} = 37, s = 18, n = 25$ .