2 years ago

What is the discriminant of 9x2 + 2 = 10x? –356 –172 28 72

Mathematics

2 answers:

Airida [17]2 years ago

7 0

Answer:

Step-by-step explanation:

Iteru [2.4K]2 years ago

5 0

Answer:

its C on edg

Step-by-step explanation:

follow my ifunny "dankmemehistory"

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What 2 square numbers have a difference of 55

Mrrafil [7]

$a^2-b^2 =55 \\ \\ 28^2 -27^2=55 \\ \\ 28^2 =784 \\ \\27^2 =729 \\ \\ 784-729=55 \\ \\ \\ \sf So,~the~ difference~ of~ the~ two~ squares~ of~ 28~ and~ 27~ equals~ to~ 55.$

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In 3 apples cost 48¢ , how many dozen apples can be bougth for $3.84?

inn [45]

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Feliz [49]

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Step-by-step explanation

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2 years ago

These triangles are congruent by which triangle congruence postulate ?

svp [43]

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B\7+12=-8 helpppppppp

vodka [1.7K]

Answer:

b = -152

Step-by-step explanation:

7 + 12 = 19
Plug 19 in: $\frac{b}{19} = -8$
Multiply each side by 19 to cancel out the 19 under b. It should now look like this: b = -152

I hope this helps!

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2 years ago