I think if I do this correctly, the answer is x<-1
Answer:
the room square side is 4.8m
Area of the room is= 4.8=²23.04²m
perimeter of square tiles=4a =1.2
a=1.2/4
or a=o.3m
area of the square tiles =0.3²=0.09m²
numbers of the tiles are rcover floor of the room
23.0.4/0.09=256
each tiles cost Rs 27
the total cost=256*27=6912
the th coalst cover by the th floor is Rs .6912
<span>The survey had a sample and response bias. The survey only randomly selected sophomore students, when it needed to be a thorough survey of children in the LA school district, so the sample size is neither large enough or relevant. Secondly, because the survey was administered by the parents of the students, the students surveyed will be more likely to over-report their activity level.</span>
Answer:
(-9,-3.4)
Step-by-step explanation:
By adding 2.1x and subtracting 5.3 from the top equation, it will end up as 2.1x=4y-5.3
By adding 5.5y to the bottom equation, it will end up as 2.1x=5.5y-0.2.
By the equal valuesmethod, they are equal: 5.5y-0.2=4y-5.3
5.5y+5.1=4y
5.1=-1.5y
y=-3.4; this gets us our y-coordinate.
To get the x-coordinate, you plug the value for y back into the original equation.
-2.1x-4y=5.3
-2.1x-4(-3.4)=5.3
-2.1x-13.6=5.3
-2.1x=18.9
x=-9
