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3 years ago

13

In a landscape plan, a rectangular flower bed is designed to be 4 meters longer than it is wide. If 60 square meters are needed

for the plants in the bed, what should the dimensions of the rectangular bed be?
Write the equation and your solution.

1 answer:

Rudiy273 years ago

4 0

Answer:

i dk and stop callin me slime

Step-by-step explanation:

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The distribution of the amount of money spent by first-time gamblers at a major casino in las vegas is approximately normal in s

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Solution: We are given:

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Using the standard normal table, we have:

$z(0.85) = 0.9945$

Now we will use the z score formula to find the required amount:

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

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Therefore, almost 84% of gamblers spent more than $720 amount of money at this casino.

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3 years ago

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Of the following options, what could be a possible first step in solving the equation −7x − 5 = x + 3?

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Your answer would be

A. Adding 7x to both sides of the equation

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Move all terms to one side

4w^2 + 49 + 28w = 0

Rewrite 4w^2 + 49 + 28w in the form a^2 + 2ab + b^2, where a = 2w and b = 7

(2w)^2 + 2(2w)(7) + 7^2 = 0

Use the Square of Sum: (a + b)^2 = a^2 + 2ab + b^2

(2w + 7)^2 = 0

Take the square root of both sides

3w + 7 = 0

Subtract 7 from both sides

2w = -7

Divide both sides by 2

<u>w = -7/2</u>

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3 years ago