2 answers:
Mental math is something that can be done i your head. for example you can do 1+1 in your head and you dont need a calculator or paper to do it so i would be called mental math Hope this helps remember if you ever need anything and you dont want to waste points you can just post it on my pfp or message me the question
Mental math is math that you can easily do in your head. For example, 50+50 is something you can easily do in your head.
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Answer: x=15
Step-by-step explanation: Since 3x+5 is equal to 50, you can write 3x+5=50, and 3x=45, x=15.
Ming had $15 at the beginning.
Step-by-step explanation:
integral fx = gx, gx = fx
gx = -4x2
variable of x2 = replace to left side it mean we got minus when Variable replace to left it mean minus
If width is equal to length then it's a square. perimeter in this case would be 4x length of each side. that is( 4 x length)= 210.5 length= width= 210.5/4= 52.62 feet