lilybree18
lilybree18
14-09-2021
Mathematics
contestada
Someone help plz? Will mark brainiest!
Respuesta :
ang12321
ang12321
14-09-2021
2. (a＋b)²＝a²＋2ab＋b²
(5x－2)²＝(5x)²－2×5x×2＋2²
(5x－2)²＝25x²－20x＋4
4. (a＋b)²＝a²＋2ab＋b²
(2x＋5)²＝(2x)²＋2×2x×5＋5²
(2x＋5)²＝4x²＋20x＋25
∵a＝4, b＝20, c＝25
∴a＋b＋c＝4＋20＋25＝49
Hope my answer helped u :)
Answer Link
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
Divide 6 and 2 over 5 ÷ negative 4 and 1 over 3. negative 27 and 11 over 15 negative 24 and 2 over 15 negative 1 and 19 over 186 negative 1 and 31 over 65
Who is typically responsible for matters concerning finance, personnel, and office management of the airport?
What are the solutions of the following systems? Explain. b. 4x+y = 6
For each set of values, determine which is greater without using a calculator. √10 or √2 + √3
Question 8 of 25 Which of the following answer options are ways you can protect yourself from ergonomic hazards?
Find the length of the segment AB with the endpoints as A(-3,7) and B(6,14). Round to 1 decimal. AB=
Edna dean works for a consulting firm that has been hired to estimate the total market potential for a new product in the distribution industry. this research c
Given f(x)= 3 x 2 + 2, find the value of f(−2)
Why are most physical changes reversible, whereas only some chemical reactions are reversible?
Ben uses a compass and a straightedge to construct ∠DEF ≅ ∠ABC, as shown below: The art shows two figures. The figure on the left shows two rays BA and BC with
