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evablogger [386]

4 years ago

7

A square lawn has area 800ft^2. A sprinkler placed at the center of the lawn sprays water in a circular pattern as shown in the

figure. What is the radius of the circle?

1 answer:

mestny [16]4 years ago

3 0

I'm pretty sure your radius is 14.14'

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The sum of the measures of the angles of any triangle is 180°. In triangle ABC, angles A and B have the same measure, while the

lesya [120]

This is the solution

Click on the photo to view full solution

4 0

3 years ago

What is being done to the variable in the equation M/5 = -40?

Verdich [7]

Answer:

The correct answer is M = -200

Step-by-step explanation:

It is given an equation,

M/5 = -40

In this equation there is only one variable .

The variable is M. To find the value of M we have to evaluate the expression.

<u>To find the vale of M</u>

M/5 = -40

By cross multiplying we get,

M = -40 * 5

M = -200

Therefore the value of M = -200

3 0

3 years ago

What is the answer 2a+6/a^2-9

ollegr [7]

Answer:

Step-by-step explanation:

2a + 6 / a² -9 = 2(a + 3) / (a² -3²)

= 2(a+3) / (a+3)(a-3) {a²-b² = (a+b)(a-b)

= 2 / (a-3)

5 0

3 years ago

Given the function defined in the table below, find the average rate of change, in

Rus_ich [418]

Answer:

Step-by-step explanation:

7 0

3 years ago

Sinea thinks that the fully factored form of the expression (x^4-1) is (x^2-1)(x^2+1). Is she correct? Explain.

iVinArrow [24]

Answer:

No. See below.

Step-by-step explanation:

$( {x}^{4} - 1)$

Use the following formula (Difference of Two Squares)

${x}^{2} - {y}^{2} = (x + y)(x - y)$

$( {x}^{4} - 1) = ( {x}^{2} + 1)( {x}^{2} - 1)$

We are not done yet. As we can still factor the expression which is x²-1 by using the same formula.

$( {x}^{2} + 1)(x + 1)(x - 1)$

This is the fully factored form.

3 0

3 years ago