3 years ago

Is this correct (yes or no)? If not, where is the error?

1 answer:

6 0

Answer:

correcto

Step-by-step explanation:

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Svetach [21]

Answer:

Step-by-step explanation:

(i)

$y=k*x^2\\\\if\ x=3, y=18 ==> 18=k*9\ ==> k=2\\\\Equation\ is:\ y=2x^2\\$

(ii)

x=5 ==> y=2*5²=50

(iii)

$32=2*x^2\\x^2=16\\x^2-4^2=0\\(x-4)(x+4)=0\\\\x=4\ or\ x=-4\\$

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2 years ago

Ganezh [65]

Please translate into English.

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siniylev [52]

Since the absolute value of the negative number is greater than the positive number, the sum is negative.

Hope this helps!

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SpyIntel [72]

Answer:

2x+5

Step-by-step explanation:

if you look at the x and the y coordinates, you'll see that if you multiply the 'x' coordinate by 2 and then add 5, you get the y coordinate

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Paul [167]

B. 3 1/6 yards will be left over.

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