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SVEN [57.7K]
3 years ago
15

The length of a rectangle is (3x − 5) inches, and its width is 2x inches. find the area of the rectangle. hint: area of a rectan

gle = length × width. the area of the rectangle is square inches
Mathematics
2 answers:
Kruka [31]3 years ago
8 0
A = L * W
A = (3x-5) * 2x
A = 6x² - 10x
Sholpan [36]3 years ago
3 0

Answer:

15x^2-25x.

Step-by-step explanation:

Given : The length of a rectangle is (3x - 5) inches, and its width is 2x inches.

To Find: Find the area of the rectangle.

Solution:

Length of rectangle =  (3x - 5)

Width of rectangle = 5x

Area of rectangle = Length \times Width

So, area of given rectangle = (3x-5) \times 5x

                                             = 15x^2-25x

Hence the are of the given rectangle is 15x^2-25x.

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A college football coach has decided to recruit only the heaviest 15% of high school football players. He knows that high school
Alla [95]

Answer:

The coach should start recruiting players with weight 269.55 pounds or more.                                                    

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 225 pounds

Standard Deviation, σ = 43 pounds

We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.15

P( X > x) = P( z > \displaystyle\frac{x - 225}{43})=0.15  

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