Choice-'B' is the correct choice . . . 2E9A .
I began converting the original numbers to decimal (base 10),
but decided that 5 points are not worth that much aggravation.
At that point, I wondered whether I could just write it down and
do it like any old other subtraction exercise. I've never done
that before with hex numbers, but I found that I could !
The only place you have to be extra careful is in the third place,
where you have to subtract '9' from '2'. In order to do that, you
have to borrow one from the 'F'. That makes the 'F' an 'E', and
it makes the '2' an '18', from which you can then easily subtract
the '9'. The difference of '2E9A' then jumps right out.
Thank you. I never knew you could just do that.
51 my dude ..................
Answer:
91 cm^2
Step-by-step explanation:
The bottom rectangle has an area of
A = l*w = 5* 14 =70
The top right rectangle has an area of
A = 3 *7 = 21
Add the areas together
A = 70+21 = 91 cm^2
Answer:
the first one is proportional because you could multiply by 4
Answer:
Dimensions are 20 X 44 feet
Step-by-step explanation:
First we need to build two equations:
For area X times Y = 880
For Perimeter 2x + 2y = 128
Now we need to solve one so we can substitute it into the other:
2x + 2y = 128 becomes
2x = 128 - 2y and then
x = 64 - y We will substitute this into the are equation
(64 - y)y = 880
64y - 
= 880
-
factor out the negative
-(
Factor:
-(y - 20)(y - 44) = 0
y-20 = 0 and y - 44 = 0
y = 20 and y = 44
Plugging these in two both of our formulas works
20 X 44 = 880 for area
2(20) + 2 (44) = 128 for perimeter
