Answer:
The only number prime is 43
Step-by-step explanation:
Step-by-step explanation:
2x²+3x-2=0
(2x-1)(x+2)
x+2=0
x=-2 (no, because x must be >0)
2x-1=0
2x=1
x=½ (yes, because x>0)
The phrase has two parts:
Five times the sum of a number and eleven, divided by
three times the sum of the number and eight
Let the number be x. Five times the sum of a number and eleven means 5 multiplied to the sum of x and 11. In expression this will be written as:
5(x + 11)Three times the sum of the number and eight means 3 multiplied to the sum of x and 8. In expression this will be written as:
3(x + 8)So, the overall expression will be:
If you times 39.99 by 0.20 (20%) then you get your answer of $7.99
Hi there!
Area of a triangle: 1/2bh
Substitute 6 for h and 12 for b.
1/2(12)(6)
Multiply (12)(6).
1/2(72)
Divide 72 by 2.
36
C) 36 sq. units
Hope this helps!