X^2+4x+4=8
-8 -8
subtract 8 from both sides
x^2+4x-4=0
now factor using quadratic formula
ax^2+bx+c=0
x= -b +-[ (sqrt (b^2-4ac))/2a ]
x=-2(1+sqrt(2))
x= 2(sqrt(2) -1)
hope that helps, hopefully you know how to plug and chug into quadratic formula. if not you can ask for help
A hexagonal prism should work! The two bases are hexagons, and there are 6 lateral faces that are rectangles. When you count the edges, there are 18... here's an image of one (just in case)
Answer:
400,000 milliliters
Step-by-step explanation:
There is 1000 milliliters in 1 liter.
Multiply 400 with 1000
400 x 1000 = 400,000
400,000 milliliters is your answer
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Answer:
what number and what variable
Step-by-step explanation: