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2 years ago

Madelyn buys 3 bottles of orange juice at the corner store for a total cost of $2.31.

Mathematics

2 answers:

jasenka [17]2 years ago

7 0

Answer: $0.77

Step-by-step explanation:

the total cost of three bottles is $2.31 because each bottle cost the same amount we can divide by 3 to get our answer.

Tom [10]2 years ago

5 0

Answer:

$0.77

Step-by-step explanation:

To find how much each bottle of juice costs, divide 2.31 by 3:

2.31/3

= 0.77

So, each bottle of juice is $0.77

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A real estate agent wants to predict the selling price of single-family homes from the size of each house. A scatterplot created

kolezko [41]

Answer:

$\text{Selling price} = \$1000e^{5.6}$

The selling price of house is approximately 270.4264 thousand dollars.

Step-by-step explanation:

We are given the following in the question:

A linear model gives the relation between natural logarithm of price, in thousands of dollars, and size, in 100 square feet.

$\ln( \text{price})=2.08+0.11(\text{size})$

Let p be the price and s be the size.

$\ln(p) = 2.08 + 0.11(s)$

We have to approximate the selling price for a house with a size of 3,200 square feet.

Thus, we put s = 32

$\ln(p) = 2.08 + 0.11(32)\\\ln(p) = 5.6\\p = e^{5.6}\\p = 270.4264\\\text{Selling price} = \$1000e^{5.6}$

Thus, the selling price of house is approximately 270.4264 thousand dollars.

6 0

2 years ago

The highest recorded temperature during the month of July for a given year in Death Valley, California has an approximately norm

S_A_V [24]

Answer:

$P(X$

And we can find this probability using excel or the normal standard tabe and we got:

$P(z$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the temperatures of a population, and for this case we know the distribution for X is given by:

$X \sim N(123.8,3.1)$

Where $\mu=123.8$ and $\sigma=3.1$

We are interested on this probability

$P(X$

And the best way to solve this problem is using the normal standard distribution and the z score given by:

$z=\frac{x-\mu}{\sigma}$

If we apply this formula to our probability we got this:

$P(X$

And we can find this probability using excel or the normal standard tabe and we got:

$P(z$

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2 years ago

In ABC, AB=5, BC=9, and AC=8. choose the angle measures in order from greatest to least.

shepuryov [24]

<span>angle measures in order from greatest to least.
<BAC, <ABC, <ACB

hope it help.</span>

6 0

1 year ago

Read 2 more answers

Delilah and a group of friends had excellent service at a restaurant. They would like to give the server a 25 percent gratuity o

nikklg [1K]

Answer:

$35

Step-by-step explanation:

There is no attached diagram, but despite this, the tip amount can be calculated, since we know the total value of the expense in the restaurant and the percentage of tips they want to give, therefore it would be the multiplication of the total by the percentage like this:

140 * 0.25 = 35

$ 35 would be the value of the tip

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2 years ago

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shepuryov [24]

Answer:

all real numbers

y>0

Step-by-step explanation:

Just got it right on edge. i got you little bro