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bekas [8.4K]
3 years ago
10

The price for a gallon of whole milk has increased from 2006 to 2008. from 2006 to 2007, the cost of whole milk increased by app

roximately 56%. from 2007 to 2008, the cost of milk whole milk increased by approximately 42%. if, on average, the cost for a gallon of whole milk nationwide was $1.99 at the beginning of 2006, determine the cost for a gallon of whole milk by the end of the year 2008. round your answer to the nearest cent
Mathematics
1 answer:
valkas [14]3 years ago
3 0
You have the starting price of $1.99. To get the increased price, divide 1.99 by .56 (.56 is the decimal form of 56%). You would get $3.55. This is for the year 2007. So for 2008, divide 3.55 by .42. The answer is $8.45. You can check the answers by multiplying the answers you go the the percentage. Ex. 8.45* .42=3.55 (rounded)
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Help!! Find the area of the triangle.
grigory [225]

Answer:

Area = 60.0 units²

Step-by-step explanation:

First, let's find the height of the triangle using Pythagorean Theorem:

Height = √(11² - 8²)

= √57

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✔️Find the area:

Area = ½*base*height

Base = 2*8 = 16

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Plug in the values

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2 years ago
Find the equation of the line described.
Lunna [17]

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y = -1/3x + 4

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y = 3x +5

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Passing through (6,2):

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2 = -1/3(6) + b

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Use the perpendicular m = -1/3 and b = 4 to form equation of line:

y = mx + b

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5 0
2 years ago
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Twelve percent of U.S. residents are in their forties. Consider a group of nine U.S. residents selected at random. Find the prob
miskamm [114]

Answer:

The probability is 28 % ( approx )

Step-by-step explanation:

Since, there are only two possible outcomes in every trails ( residents are in their forties or not ),

So, this is a binomial distribution,

Binomial distribution formula,

Probability of success in x trials,

P(x)=^nC_x p^x q^{n-x}

Where, ^nC_x=\frac{n!}{x!(n-x)!}

p and q are probability of success and failure respectively and n is the total number of trials.

Let X be the event of resident who are in his or her forties.

Here, p = 12% = 0.12,

⇒ q = 1 - p = 1 - 0.12 = 0.88,

n = 9,

Hence, the probability that two or three of the people in the group are in their forties = P(X=2) + P(X=3)

^9C_2 (0.12)^2 (0.88)^{9-2}+^9C_3 (0.12)^3 (0.88)^{9-3}

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7 0
3 years ago
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