Answer:
length=8 , wide=5
Step-by-step explanation:
Let length=x and wide=y
convert the question into two equations
3+y=x .......1
xy=40 .......2
so we need to substitute x into y or y into x
x=3+y ,
(3+y)y=40
y²+3y=40
y²+3y-40=0
from that use calculator or manually factorise it
(y+8)(y-5)=0
y= –8 , y=5
we need to choose positive answer so y=5
then find for x
5x=40
x=8
Answer:
-4 > 6
Step-by-step explanation:
So it would be -4 > 6 because you have 6 on the right, and 6 - 10 is -4, which is on the left.
Answer:
For number 7 it was c which is the pink man
Step-by-step explanation:
67.8: 6.78, 0.678, 0.0677
456.8: 45.68, 4.568, 0.4568
531.20: 53.12, 5.312, 0.5312
The pattern here is that the number of 0s there are in the digit of whatever you are dividing by, that is how many places you move the decimal place to the right. For example, by dividing 67.8 by 100, the decimal place has been moved 2 places to the right, resulting in the number 0.678
Answer:
B. 
Step-by-step explanation:
We have been given a rational expression 
and we are asked to simplify our rational expression.
We can see that our denominators are not equal. Since the two denominators do not share any common factors, the common denominator is simply the product of these two denominators.
To keep the value of expression same we will multiply the same quantity with numerators and denominators.
Now let us simplify our expression using FOIL.
Now we have same denominators, so we can add our numerators.
Now let us combine like terms.
Therefore, the simplest form of our given rational expression will be and option B is the correct choice.
