<span>4.5
If you are told that two-thirds a number plus 4 is 7 and you wish to figure the number you can make an algebra formula: (2/3)X + 4 = 7
To simplify the formula you want to get the X alone. Begin by subtracting 4 from each side. (2/3)X + 4 - 4 = 7 - 4, so you now have (2/3)X = 3. To get the (2/3)X to be just 1X multiply each side by 3/2, so ((2/3)X)x(3/2) = 3x(3/2) giving you X=4.5</span>
Answer:
7X8
Step-by-step explanation:
There is 7 spaces along one side and 8 along the other, area=l x w (length multiplied by width)
3rd one.
6(x + 2) is simply 6x + 12
Do 12 + 7
You will get 19.
Now put that together.
6x + 19, which is option 3
Hope this helped! :D
I would place the additional marble in the middle of the triangle.
Answer:
1296 in³
Step-by-step explanation:
The volume (V) of a pyramid is calculated as
V = Ah ( A is the area of the base and h the perpendicular height (
Here A = 18 × 18 = 324 and h = 12, thus
V = × 324 × 12 = 1296 in³