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What is the difference between "ser" y "estar"?

Ser is used to talk about permanent or lasting characterisics.It is used for time: Today is Monday= Hoy es lunesFor characteristics: My jumper is red= Mi jersey es rojo, She is my grandma= Ella es mi abuela....
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Answered by Marina P. • Spanish tutor
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Solve the quadratic equation x^2+4x+6=0

x = (-b ± √(b 2 - 4ac ))/2aa=1 b=4 c=6-4 ± √(4 2 - 4*6) = -2 ± √(4 2 - 12) = -4 ± √(16- 12) = -4 ± √4 = -4 ± 2x= (-4 ± 2)/2x 1 = -4 + 2 / 2 = -2/2 = -1x 2 = -4 - 2 = -6/2 = -3
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Answered by Tutor531443 D. • Maths tutor
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What is the difference between cardial and skeletal muscle?

Cardiac muscle: voluntary, branched fibres, only 1-2 centrally located nuclei in one cellSkeletal muscle: involuntary, cylindrical long fibres, multiple peripheral nuclei in one cell
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What are the 3 types of ionotropic Glutamate receptors?

AMPA, NMDA, Kainate
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Translate this sentence and identify the grammatical construction being used in the second clause: mox Aeneas e castris Troianorum discedere constituit ut auxilium ab Evandro peteret

Translation: Soon Aeneas decided to leave from the camp of Troy in order to seek help from Evander. Grammatical construction: purpose clause, 'ut auxilium ab Evandro peteret'.This can be identified by the us...
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Answered by Madeleine M. • Latin tutor
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