3 years ago

PLZ HELP I AM TIMED!!!!! FIRST PERSON GETS BRANLIEST!!!!!!!

Mathematics

2 answers:

xxTIMURxx [149]3 years ago

7 0

Answer:

answer is A

Step-by-step explanation:

grigory [225]3 years ago

6 0

Answer:

$angle \: 3 \: and \: angle \: 7$

Step-by-step explanation:

$pls \: mark \: as \: brainliest$

$hope \: helps$

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It is given that y is inversely proportional to the square of x and that y=48 when x=<img src="https://tex.z-dn.net/?f=%5Cfrac%7

Anna [14]

Answer:

$a. y = 12\times \frac{1}{x^2} \\b. x = 2 , when \ y =3$

Step-by-step explanation:

$y \ is\ inversely \ proportional \ to \ square \ of \ x \ means , y \ \alpha \ \frac{1}{x^2}$

$Therefore, y = k \times \frac{1}{x^2}$

Given y = 48, x = 1/2. We will find k.

$y = k \times \frac{1}{x^2}\\\\48 = k \times \frac{1}{\frac{1}{4}}}\\\\k = 48 \times \frac{1}{4} =12$

Find x.

$y = k \times \frac{1}{x^2} \\\\3 = 12 \times \frac{1}{x^2}\\\\\frac{3}{12} = \frac{1}{x^2}\\\\x^2 = \frac{12}{3}\\\\x^2 = 4 \\\\x = 2$

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Are these tables functions or non functions? PLZ ANSWER ASAP

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