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2 years ago

5

The graphs of f(x)=−5/3x+9 and g(x)=2^x−1 intersect at (3, 4) .

1 answer:

Vinil7 [7]2 years ago

3 0

If they intersect at this point, that means this point is a solution (3,4)

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ohaa [14]

Answer:

$(2,2)~ \text{and}~ (-2,-2)$

Step by step explanation:

$x^2 +y^2 =8~~~~~~...(i)\\\\x-y=0~~~~~~~~~...(ii)\\\\\text{From (ii):}\\\\x-y = 0 \implies x = y\\\\\text{Substitute x = y in eq (i):}\\\\~~~~~~y^2 +y^2 =8\\\\\implies 2y^2 = 8\\ \\\implies y^2 = \dfrac 82\\\\\implies y^2 = 4\\\\\implies y = \pm\sqrt 4\\\\\implies y = \pm 2\\\\\text{Substitute y = x in equation (i):}\\ \\~~~~~~x^2 +x^2 = 8\\ \\\implies 2x^2 = 8\\\\\implies x^2 = \dfrac 82\\\\\implies x^2 = 4\\\\\implies x = \pm\sqrt 4\\\\\implies x = \pm2\\\\$

$\text{Hence,}~ (x,y) = (\pm2, \pm 2)$

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2 years ago

Explain how bias in the survey might have affected the results.

vladimir1956 [14]

B. because "boring" implies that all classical music is boring.

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2 years ago

Someone, please help me with this asap! And no links or weird answers, please!

kupik [55]

Answer:

$b = 4$

Step-by-step explanation:

subtract by 5 on both sides. ur left with

${b}^{2} = 16$

square root b and 16. the square root cancels out b squared. find the square root of 16. the square root of 16 is 4

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marusya05 [52]

$7776$

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