To find this answer, just look at the place value next to the one you are trying to find.
You are trying to find the whole number (or 7). The place value digit to the right is 4, which is less than 5. Round down
Your answer is 7
hope this helps
Answer:
18.1437
Step-by-step explanation:
divide the mass value by 2.205
Answer:
(x+3)²-11=0
Step-by-step explanation:
0=9(x2+6x)-18
0= 9x² +54x-18
0= 9( x²+6x-2) taking 9 common
0= x² +6x-2 (breaking the mid term to find the second element of the square
0 = (x)² +2(x)(3) +(3)² -2 -9 adding and subtracting the second element
0= (x+3)² -11 summing up