Hello :
y= <span>x² - 4x + 1
calculate : x
y = (x²-4x+4)-4+1
y+3 = (x-2)²
x exist : if y+3 </span><span>≥ 0
y </span><span>≥ -3
the range is : </span><span>{y: y ≥ -3}</span>
Answer:
122
Step-by-step explanation:
1.8 times 50 is 90, and 90 plus 32 is 122
Answer:
315
Step-by-step explanation:
10% of 350 is 35 so 35 times 9 would equal <u><em>315</em></u>
The answer from my calculations is 32
You buy 7 books
3b+5=26
*subtract 5 to the 26 side*
3b=21
Now divide 21 by 3
B=7
So there are 7 books bought. ^^