3 years ago

Need help on #18 please

1 answer:

3 0

Your bag`s weigh is 22 pound right now so you still can add 40 - 22 = 18 pounds. So you can right this inequality:
x + 22 ≤ 40
so x is the number of pound that you can add:
x ≤ 40-22
x ≤ 18 :)))
i hope this is helpful
have a nice day

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-3x^2 + 2y^2 + 5xy - 2y + 5x^2 - 3y^2<br><br> x = 2 , y = -1

rewona [7]

X=2 Y=-1 plug them into the equation
-3(2)^2 + 2(-1)^2 + 5(2)(-1) -2(-1) + 5(2)^2 -3(-1)^2

36+4-10+2+100+9

40-10+2+100+9

30+2+100+9

132+9

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5 0

3 years ago

What is nine? Huhhhhhhhhhhh?

grigory [225]

Step-by-step explanation: The base of the power in the original equation becomes the base of the log. So we have $^{log}3$ .

Next, the exponent in the original equation goes on the other side of the equation and finally, the result in the original equation goes inside the log.

So we have $^{log} 3$ $9 = 2$ which is 3² = 9 written in logarithmic form.