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3 years ago

12

A fence must be4 built to enclose a rectangular area of 45,000ft squared. Fencing material costs $1 per foot for the two sides f

acing north and south and $2 per foot for the other two sides. Find the cost of the least expensive fence.

1 answer:

Luda [366]3 years ago

6 0

1 foot on the north and south sides and 22,499 feet on the other two sides<span />

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Which of the following are solutions to the equation below?

Ulleksa [173]

Answer:

see below

Step-by-step explanation:

$4x^2-12x+9=5\\\\4x^2-12x+9-5=0\\\\(2x-3)(2x-3)=5\\\\(2x-3)^2=5\\\\2x-3=\pm\sqrt{5}\\\\2x=3\pm\sqrt{5}\\\\x=\frac{3\pm\sqrt{5}}{2}\\\\x_1=\frac{3+\sqrt{5}}{2}\\\\x_2=\frac{3-\sqrt{5}}{2}$

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3 years ago

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Answer:

1. 10

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Step-by-step explanation:

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3 years ago

When several examples form a pattern and you assume the pattern will continue, you are applying _______________.

matrenka [14]

Answer:

When several examples form a pattern and you assume the pattern will continue, you are applying inductive reasoning.

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4 years ago

of the 35 largest cities in a country, 4 are located in state A. If state A has twice as many large cities as state B, how many

Hunter-Best [27]

State A has 4/35 of the largest cities in the country.

A has twice as many largest cities in the country than State B does.

This means State B has 2/35 of the largest cities in the country.

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3 years ago

The range for the Kentucky temperatures is . The range for the Illinois temperatures is . The IQR for the Kentucky temperatures

natima [27]

The boxplot required to answer the questions is attached below :

Answer:

The range for the Kentucky temperature :

(58.3 - 52.2) = 6.1

The range for the Illinois temperature :

(55 - 49.9) = 5.1

The IQR for the Kentucky temperature :

(57.3 - 54.5) = 2.8

The IQR for the Illinois temperature :

(53.3 - 50.9) = 2.4

Step-by-step explanation:

Range = maximum - minimum

Maximum and minimum values are given by the values at the end and start of the whisker.

The range for the Kentucky temperature :

(58.3 - 52.2) = 6.1

The range for the Illinois temperature :

(55 - 49.9) = 5.1

IQR = Q3 - Q1

Q3 = Value at the end of the box

Q1 = value of start of box

The IQR for the Kentucky temperature :

(57.3 - 54.5) = 2.8

The IQR for the Illinois temperature :

(53.3 - 50.9) = 2.4

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3 years ago