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3 years ago

Please help i’ll give brainliest

Mathematics

2 answers:

Assoli18 [71]3 years ago

8 0

Answer: A

Step-by-step explanation:

An ordered pair is a solution if when substituted it makes the equation true. If when you substitute, it does not make the equation true then it is not a solution.

y = -5x - 4

Test:

-52 = -5(10) - 4

-52 = -54 FALSE

Anastaziya [24]3 years ago

8 0

(10,-52) is not a solution because -5 times 10 minus 4 equals -54

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Answer:

$Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})$

Step-by-step explanation:

The equation of the curve is

$Y = sin^{-1}(7x)$

To find the equation of tangent we need to differentiate this equation w.r.t x

So, differentiating we get

$Y'=\frac{7}{\sqrt{1-49x^2} }$

This would give the slope of the tangent line at any given point of which x coordinate is known. In the present case it is $x = \sqrt{\frac{1}{7} }$

Then slope would accordingly be

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For, $x = \sqrt{\frac{1}{7} }$ , $Y = sin^{-1}(7/7)= \pi/2$

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3 years ago

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TiliK225 [7]

<em>Answer below:</em>

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3 years ago

Simplify the expression (2 square root sign 27) - (3 square root sign 32)

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Answer:

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Step-by-step explanation:

The expression (2 square root sign 27) - (3 square root sign 32) is $2\sqrt{27} - 3\sqrt{32}$ .

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Answer:

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2 years ago

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hjlf

Answer:

x = 55

Step-by-step explanation:

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Hope it helps.

Don't forget to click the Brainliest button if you like my answer.

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