Hello,
A=7
Indeed
A(x²-2x)=-6
7x²-14x=-6
==>A=7 and -14=-2A==>A=7
Answer:
Check below.
Step-by-step explanation:
1/3 = 0.33334
= 0.24
-1.2
= -1.29
She purchased more than 2, but less than 8 items.
Answer:
56
Step-by-step explanation:
2 times 4 = 8
area of a triangle = b/2
so
8 * 12 = 96
96/2 = 48
48 plus 8 = 56
A trick that is good for multiplying 9's is, remember that each time the tens digit changes the number in the ones spaces minuses 1. If you don't understand what I am saying look at the following:-
9
18
27
36
45
54
63
72
81
See the pattern? In the tens place you need to add 1 and in the tens place you need to subtract by 1.
Hope I helped ya!! xD