2 years ago

Please help me with this problem

Mathematics

1 answer:

Julli [10]2 years ago

4 0

The answer is A i believe so cause its adding 4 seats every time and you multiply 4*21

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If we multiply a positive and a negative number, is the result positive or negative?

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2 years ago

Pls help me in these two little exercises about the slope.

den301095 [7]

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3) $y=\dfrac35x+\dfrac25$

4) a) $y=-2x+7$

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Step-by-step explanation:

Exercise 3

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Exercise 4

a) If L2 is parallel to L1, it has the same slope (gradient) ⇒ $m = -2$

If L2 passes through point (3, 1):

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$\implies y=-2x+7$

So L2 = L1

b) If L3 is perpendicular to L1, then the slope of L3 is the negative reciprocals of the slope of L1 ⇒ $m = \dfrac12$

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$\implies y-2=\dfrac12(x+5)$

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2 years ago

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