X is 10
I have shown the calculation in the attachment.
Answer:
30 000 tiles
Step-by-step explanation:
Firstly convert the dimensions into metres
Then find the total surface area for one tile...in its....;
T.Surface area = 2(0.225 × 0.1) + 2(0.1 × 0.075) + 2(0.225 × 0.075)
Total surface area of one tile = 0.09375m^2
Then divide it into the surface area that the paint can be applied to....
2812.50 ÷ 0.09375 = 30 000 tiles
Answer:
89.396668... is a rational number
Step-by-step explanation:
8m =800m
in percentage=40÷800×100
= 5%
Multiply x and 0.75
Multiply x and 1
The x just gets copied along.
The answer is x
x
0.75*x evaluates to 0.75x
Because of the minus sign
0.75x becomes - 0.75x
The answer is -0.75x
-0.75*x+6 evaluates to -0.75x+6
Multiply x and 2.5
Multiply x and 1
The x just gets copied along.
The answer is x
x
2.5*x evaluates to 2.5x
2.5*x-1.9 evaluates to 2.5x-1.9
To subtract the polynomials -0.75x+6 and 2.5x-1.9 we try to subtract terms in one polynomialwith any like terms in the other polynomial.
Be very careful with the "-" sign in front of 2.5x-1.9 it is to be used on all terms in it.
-0.75x - 2.5x = -3.25x
6 - -1.9 = 7.9
The answer is -3.25x+7.9
(-0.75*x+6)-(2.5*x-1.9) evaluates to -3.25x+7.9
