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jake2920
23.06.2021 •
Mathematics
Given that x= -3, what is the value of 2ײ - x + 5?
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Ответ:
26
Step-by-step explanation:
2(9)-(-3)+5
2(9)+3+5
18+8
26
Ответ:
26
Step-by-step explanation:
2x^2 -x+5
x=-3
2(-3)^2 -(-3)+5
2(9)-(-3)+5
18-(-3)+5
negative multiplied by negative is positive so you have
18+3+5= 26
Have a nice day :)
Ответ:
Perimeter = 2l + 2w
Divide 184 by 4
184/4 = 46
Subtract by 6
46 - 6 = 40
Add by 6
46 + 6 = 52
The length is 52, and the width is 40.
We can verify by plugging these values into the original equation.
52*2 + 40*2 = 184