liljomarionsmith2006 liljomarionsmith2006

24-03-2021
English

contestada

A school is building a rectangular soccer field that has a n area of 200 square yards. The equation (x-5)(x+5)=200 represents the side length of the field solve for x

Respuesta :

kasiaeriver kasiaeriver

24-03-2021

Answer:

15

Explanation:

(x-5)(x+5)=200

FOIL Method (First, Outer, Inner, Last)

x^2-5x+5x-25=200

combine like terms

x^2-25=200

add 25 to both sides

x^2 = 225

Take the square root of both sides

x=15

Answer Link

Otras preguntas

When interpreting other people's emotions, you should pay attention to their A. BODY LANGUAGE B. FACIAL EXPRESSION C. CHANGES IN ROUTINE D. BOTH A AND C

What viewpoint about war is conveyed through Monsieur Sauvage and Monsieur Morissot's discussion in the following lines of "Two Friends"?

Which of the following sentiments have been on the rise in many countries since World War II? a. Sensitivity toward casualties suffered defending the homeland b

How does paragraph 5 add to the reader’s understanding of slavery ?

Help please 4.1 Divisibility Rules 4.2 Prime and Composite Numbers 4.3 GCD and LCM 5.1 Addition and Subtraction of Integers 5.2 Multiplication and Divisio

Suppose you were in space in a weightless environment, would it require a force to set an object in motion? Explain.

5. Hypothesize why the category for big-ticket items is substantially smaller for the Students than for the other two groups.

2. You're a policy analyst for the Pie-in-the-Sky Think Tank in Washington. A prominent politician has asked you to determine what the efficient level of emissi

The adjusted trial balance of Rocky Acre Spread Inc. on December 31, 2015 includes the following accounts: Accumulated Depreciation, $6,000; Dépreciation Expen

Please help and explain.