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 ( 18+ )
Otras preguntas
What are some exceptions to the Poison Prevention Packaging Act (PPPA)?
Which of the following options does not depict licensee Claudia's adherence to Georgia license laws?A) Claudia maintains accurate records of all client transact
(D 0.75 T(3,2) (ABC) , given A (4, - 3) , B (6,1) , C (10,-1)
The board by rule shall develop a continuing education course required for renewal of a security officer commission. Only a board-approved instructor may admini
A patient with pneumonia reports a loss of appetite and a weight loss of six pounds over the last week. Which interventions by the nurse are most appropriate fo
Discriminative listening occurs mostly at which stage of the listening process?
Major neuropathological correlates of Alzheimer's disease are? 1) Amyloid plaques and neurofibrillary tangles 2) Decreased levels of acetylcholine 3) Neuronal l
These four patients are being cared for by an RN and LPN/LVN team. Which patient should the RN assume primary responsibility for?A) The 70-year-old with possibl
pls helpppe i barely have enough time
Which of these events happened in Florida in 1934?
