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2 years ago

10.6 m 1.2 m What’s the area?

Mathematics

1 answer:

harkovskaia [24]2 years ago

6 0

Assuming that m stands for meter, and those are the side lengths.

We have to multiply them together:

10.6 * 1.2 = 12.72

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What is the value of cos θ given that (-2, 9) is a point on the terminal side of θ?

liq [111]

Answer:

a) cosθ = $\frac{-2\sqrt{85} }{85}$

Step-by-step explanation:

Step(i):-

Given point ( x , y ) = ( - 2 , 3 )

We know that the polar co-ordinates

x = r cos θ and y = r sinθ

where $r = \sqrt{x^{2} +y^{2} }$

$r = \sqrt{(-2)^{2} +(9)^{2} } = \sqrt{4+81} = \sqrt{85}$

Step(ii):-

x = r cos θ

cosθ $= \frac{x}{r}$

cosθ = $\frac{-2}{\sqrt{85} } = \frac{-2}{\sqrt{85} } X \frac{\sqrt{85} }{\sqrt{85} }$

cosθ = $\frac{-2\sqrt{85} }{85}$

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2 years ago

What is the slope of this line?

Anvisha [2.4K]

(-4,5),(0,6)

slope = rise/run
tip... you have to crawl (run) before you run (rise) .

you can use the slope formula
$\frac{5 - 6}{ - 4 - 0} = \frac{ - 1}{ - 4} = \frac{1}{4}$
1/4

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2 years ago

The two pictures are the questions and question five is what i need help with.

Mama L [17]

Answer:yes they do

Step-by-step explanation:

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jenyasd209 [6]

Answer:

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Step-by-step explanation:

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3 years ago

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satela [25.4K]

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Step-by-step explanation:

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