She hadn't lined up the decimal points correctly.
Incorrect way:
13.47
1.56
Correct way:
13.47
1.56
Add them up to get the right answer.
13.47
1.56
+____
15.03
So, the answer is 15.03.
Answer:
+ 9x +18
Step-by-step explanation:
multiply the parentheses together (x × x)=x² and x×6=6x then do 3×x which will equal 3x and then multiply 3 and 6 which is 18
now combine like terms (x²+6x+3x+18)
6+3=9 so now you will have x²+9x+18
Answer:
D.20
Step-by-step explanation:
4*5=20
Answer:
450 Area
Step-by-step explanation:
50 blocks long and 9 blocks wide. If you do 50x9 you get the area inside of the park.
Answer:
second marble is blue and first marble is white is 
Step-by-step explanation:
given data
two marbles
box = 1 blue, 3 white, 2 green, and 2 red marbles
solution
we get here second marble is blue and given that the first marble is white
= P(3c1 × 1c1) ÷ P(3c1 × 7c1) ................................................1
= 1c1 ÷ 7c1
= 1 ÷ 7
so second marble is blue and first marble is white is 