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Feliz [49]
3 years ago
9

Please answer the question as best as you can :)

Mathematics
1 answer:
cupoosta [38]3 years ago
7 0
Y=mx+b and since the slope is -2 then m=-2

if we plug in 1 and -7 we get the equation -7=-2(1)+b

then we just solve for b which would end up being b=-5

the slope intercept is y=-2x-5
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Simplify surds √50+√√72-√√128​
34kurt

Answer:

3\sqrt{2}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Simplify the given radicals

\sqrt{50}

= \sqrt{25(2)}

= \sqrt{25} × \sqrt{2}

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------------------------

\sqrt{72}

= \sqrt{36(2)}

= \sqrt{36} × \sqrt{2}

= 6\sqrt{2}

-----------------------

\sqrt{128}

= \sqrt{64(2)}

= \sqrt{64} × \sqrt{2}

= 8\sqrt{2}

Then

\sqrt{50} + \sqrt{72} - \sqrt{128}

= 5\sqrt{2} + 6\sqrt{2} - 8\sqrt{2}

= 11\sqrt{2} - 8\sqrt{2}

= 3\sqrt{2}

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2 years ago
A circle with radius of 3 cm sits inside a circle with radius of 5 cm. What is the area of the shaded region? Round your final a
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Hello!!

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Step-by-step explanation:

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