Answer:
Un = -n²
Step-by-step explanation:
Un = -n²
it's a quadratic term but with minus sign, just it
U1 = -1² = -1
U2 = -2² = -4 and so on
11x+9
Step by step:
Remove the parenthesis
3x+7+8x+2
Collect like terms
11x+7+2
Add 7+2
11x+9
<span> x y
</span><span><span>−5</span><span>−9
</span></span><span><span>−4 -0</span></span><span>
</span><span><span>−3 3</span></span><span><span>
-2 0
-1-9</span></span>
The shaded part is AXY, so if you cut the rectangle into smaller parts you will see that AXY takes up 1/8 of the ABCD
Answer:
200 tiles
Step-by-step explanation:
area of the floor = 2m×4m
the tile=20cm×20cm
the tiles needed to complete the job will be
2m×4m
——–—–
20cm×20cm
change the meters to centimeters
200cm×400cm
————————
20cm×20cm
therefore the answer is 200tiles.
