Abrahamking Abrahamking

11-09-2020
Mathematics

contestada

Hi help me please I don't know how to do it "using the formula evaluate (87)^2"

Hi help me please I dont know how to do it using the formula evaluate 872 class=

Respuesta :

Hrishii Hrishii

11-09-2020

Answer:

7,569

Step-by-step explanation:

[tex](87)^{2} \\ = {(90 - 3)}^{2} \\ = {90}^{2} - 2 \times 90 \times 3 + {3}^{2} \\ = 8100 - 540 + 9 \\ = 8100 + 9 - 540 \\ = 8109 - 540 \\ = 7,569[/tex]

Answer Link

Otras preguntas

8 unit 1 Which of the following best describes on ston protons, neutrons, and elections all in the cont B. a core of negatively and positely chared parts Surrou

can anyone help me with this question?

1. A complete income statement potentially has the following sections: (1 point) a. Items from continuing operations and earnings per share for a corporation. b

Indica qué situaciones favorecen la dignidad humana y en cuáles no es respetada. En cada caso, explica. a. Un adolescente no asiste a la escuela porque no tien

The image point using the translation (x, y) → (x + 4, y – 1) for the point (3, 3) is: None of these choices are correct. (7, 2). (1, 2). (7, 4).

The triple entente is formed between france, britain, & russia. True or False?

How often do regulations require all programs to practice their evacuation plan?

How many piece of lumber, each 3/8 inch thick, are there in a tack 9 3/4 inche high

Greg drives at 50 mph for 212 hours. how far did he drive? responsesa. 20 mi b. 75 mi c. 125 mi d. 150 mi

explain why capillaries are1.thin walled2.branched