sorry again for asking this but can someone explain this and give me the answer. Been having a hard time learning this.

1 answer:

3 0

Hey!!!

In question no.4, we have to subtract the equation.

In question no.5 we have to add the equation.

Hope it will help you...

<h3>Have a great day</h3>

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lana [24]

45+-17
This is the same as subtracting 17 from 45
45-17=28

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3 years ago

Sergio039 [100]

Answer:

The answer is (-3,7/2)

Step-by-step explanation:

$2 {x}^{2} - x - 21 = 0 \\ (2x - 7)(x + 3) = 0 \\ 2x - 7 = 0 \: \: \: or \: \: x + 3 = 0 \\ x = \frac{7}{2} \: \: and \: x = - 3$

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3 years ago

mixer [17]

So because it says NOT a way....I think it's A...Maybe I'm wrong but whatever.

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3 years ago

poizon [28]

Answer:

Step-by-step explanation:

I believe it's 9 to the west

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3 years ago

Mrrafil [7]

Answer:

Sum of 2 interior angles =180

1 angle+70=180

Another angle=110

Step-by-step explanation:

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3 years ago