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steposvetlana [31]
3 years ago
8

What expression gives the solution to -5+2x^2=-6x

Mathematics
1 answer:
ElenaW [278]3 years ago
7 0

Answer:

Step-by-step explanation:

2x² + 6x - 5 = 0

D = 36 + 40 = 76 = (2√19)²

x_{1} = ( - 6 - 2√19) / 4 = <em>( - 3 - √19) / 2</em>

x_{2} = <em>( - 3 + √19) / 2</em>

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nalin [4]

Answer:

g(-3) = -13

Step-by-step explanation:

Plug in -3 for n in the equation:

g(n) = 3n - 4

g(-3) = 3(-3) - 4

Remember to follow PEMDAS. First, multiply, then subtract:

g(-3) = 3 * -3 = -9

g(-3) = -9 - 4

g(-3) = -13

-13 is your answer for g(-3).

~

4 0
3 years ago
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Round 0.687 yo the nearest tenths place
Vaselesa [24]

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This is like saying 687 is closer to 700 than it is to 600

4 0
3 years ago
Which equation shows the commutative property of addition?
anygoal [31]

Answer:

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Step-by-step explanation:

The commutative property of addition says that, the order in which you add two real numbers does not matter.

Let a,b\in \mathbb R, then

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From the given options;

4+3=3+4

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7 0
4 years ago
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alina1380 [7]

Answer:

A

Step-by-step explanation:

Lines are parallel...

6 0
3 years ago
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