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2 years ago

find the radius of a circle with a circumference of 59 yards round your answer to the nearest hundredth of a yard

Mathematics

1 answer:

Zepler [3.9K]2 years ago

5 0

Answer:

9.39

Step-by-step explanation:

$\frac{C}{2\pi } =R$

$\frac{59}{6.28}$ = 9.39

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For the function f x equals square root x ^ 3 - x, State the condition that must be satisfied for the FX to be Define. Then, sol

Svetradugi [14.3K]

Answer:

Domain: $[-1,0]\cup [1,\infty )$

Step-by-step explanation:

Since we know that a square root function is not defined for negative numbers. In order our function to be defined values inside radical must be greater than or equal to zero.

Our function will be defined when $x^{3} -x\geq 0$

$x(x^{2} -1)\geq 0$

$x(x-1)(x+1)\geq 0$

$1\geq x\leq 0$ or $x\geq1$

Now we will use number line method of solving inequalities to check whether our answer is right or not.

Let us try -2, -1/2, 1/2 and 2 to check which conditions meet our criteria.

$-2^{3} --2\geq 0\\-6\leq 0$

$(\frac{-1 }{2}) ^{3} -(\frac{-1}{2}) \geq0$

$\frac{-1}{8} +\frac{1}{2} \geq 0\\\frac{3}{8} \geq 0$

$(\frac{1 }{2}) ^{3} -\frac{1}{2} \geq0$

$\frac{1}{8} -\frac{4}{8} \leq 0$

$2^{3} -2\geq 0\\6\geq 0$

Therefore, we can see that our function is defined when $1\geq x\leq 0$ or $x\geq1$ and domain of f(x) is $[-1,0]\cup [1,\infty )$ .

4 0

3 years ago

A 7-foot piece of cotton cloth costs $7.56. What is the price per inch?

LenKa [72]

Answer:

$.09 per inch

Step-by-step explanation:

1 foot = 12 inches

Multiply each side by 7

7 ft = 12*7 = 84 inches

Take the cost and divide by the number of inches

$7.56 / 84 inches

$.09 per inch

3 0

3 years ago

Read 2 more answers

Eight car dealerships reported the number of cars they sold last month.

Temka [501]

Answer:

Step-by-step explanation:

You'll need to share the set of data if you want a precise answer.

But here's how to find the IQR:

1. Arrange the data in ascending (increasing) order

2. Identify the median. This divides the list of data into two parts.

3. Find Q1 and Q3. They are the medians of these two parts.

4 Subtract Q1 from Q3. The result is the IQR that you wanted.

6 0

4 years ago

What is the value of x in the equation

GuDViN [60]

In what equation? it is a variable

8 0

3 years ago

Trey is making a small sign in the shape of a triangle for her store. He wants the height of the triangle to be 8 inches. The ar

Maurinko [17]

Answer:

8+b=20

Step-by-step explanation:

7 0

4 years ago