Show the steps please.

Mathematics

1 answer:

harina [27]3 years ago

6 0

I answered both questions and explained it. hope it helps :)

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Rhett is solving the quadratic equation zero equals X2 minus 2X -3 using the quadratic formula which shows the correct substitut

Alina [70]

X^2-2x -3 =0
a =1 b =-2 and c = -3

x = - (-2) +/- sqrt (-2)^2 - 4(1)(-3)
--------------------------------------
2(1)

x = + 2 +/- sqrt [(4) - 4(-3)]
-------------------------------
2

x = +2 +/- sqrt [4 + 12]
--------------------------
2
x = +2 +/- sqrt[16]
-------------------
2

x = +2 +/- (4)
-------------
2

x = 2 + 4 or 2 -4
------- ------
2 2

x = 6/2 or -2/2

x = 3 or x = -1

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3 years ago

What is the next number in sequence 364861210?

Ainat [17]

Hello,

Shall we begin?

364,861,210

n + 1 = 364,861,210 + 1 = 364,861,211

Answers: 364,861,211

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3 years ago

Which symbol correctly compares these fractions? 3 7 ___ 5 14 < > = ×

GarryVolchara [31]