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3 years ago

12

You are spreading fertilizer on a golf course at the rate of 40 pounds per 10000 square feet. If the course is 320 acres, how ma

ny tons of fertilizer will be needed?

1 answer:

MatroZZZ [7]3 years ago

6 0

I believe the answer is 18,295.2 tons of fertilizer.

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The domain for variables x and y is the set {1, 2, 3}. The table below gives the values of P(x, y) for every pair of elements fr

Olin [163]

Answer:

Option B and C are correct answers.

Step-by-step explanation:

Option B and C are the correct options.

Option a is true since row 1 has all T.

so for X=1, P(x,y) is true for all y.

Option b is false since no column has all F.

Option C is false since no column has all F.

Option D is true since 1st row has all T.

hence option B and C are correct answers.

7 0

2 years ago

What are the solutions to the equation 3(X -4)(X +5) =0

cestrela7 [59]

Answer should be: X = 4, -5

4 0

2 years ago

A skull cleaning factory cleans animal skulls of deer, buffalo and other types of animals using flesh-eating beetles. The fact

zhenek [66]

the answer is 16,500 days

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2 years ago

Solve the following equations by using the Quadratic formula and answer the subsequent questions:

OleMash [197]

Answer:

Step-by-step explanation:

Note that x^2 - 6x + 9 = 0 can be rewritten as the square of a binomial:

(x - 3)^2

and the roots are found by setting this equal to zero and solving for x:

(x - 3)^2 = 0, or x - 3 = ±0, or x = 3 and x = 3

a) there are two equal roots: {3, 3}

b) the roots {3, 3} are rational

c) the roots {3, 3) are real

If you want to use the quadratic formula, proceed as follows:

1. Identify the coefficients of the quadratic: {1, -6, 9}

2. Find the discriminant b^2 - 4ac: It is (-6)^2 - 4(1)(9) = 36 = 36 = 0

As a general rule, if the discriminant is zero, the quadratic has two equal, real roots. These roots are rational: 3 can be rewritten as 3/1, which is a ratio.

6 0

2 years ago

The following data represent the pulse rates? (beats per? minute) of nine students enrolled in a statistics course. Treat the ni

aleksandr82 [10.1K]

Answer:

a) $population\hspace{0.1cm} mean = \frac{64 + 77 + 89 + 69 + 89 + 65 + 88 + 69 + 87}{9} = 77.44$

b) $sample\hspace{0.1cm} mean 1 = \frac{65 + 69 + 77}{3} = 70.3$

$sample\hspace{0.1cm} mean 2 = \frac{64 + 69 + 77}{3} = 70$

c) both the means of the two samples underestimate the population mean.

the mean pulse rate of sample 1 underestimates the population mean.

the mean pulse rate of sample 2 underestimates the population mean.

Step-by-step explanation:

i) population size, N = 9

a) $population\hspace{0.1cm} mean = \frac{64 + 77 + 89 + 69 + 89 + 65 + 88 + 69 + 87}{9} = 77.44$

b) $sample\hspace{0.1cm} mean 1 = \frac{65 + 69 + 77}{3} = 70.3$

$sample\hspace{0.1cm} mean 2 = \frac{64 + 69 + 77}{3} = 70$

c) both the means of the two samples underestimate the population mean.

the mean pulse rate of sample 1 underestimates the population mean.

the mean pulse rate of sample 2 underestimates the population mean.

3 0

2 years ago