Answer: x = 40 and y = 40
Step-by-step explanation:
We can write the equation for the area as: x*y = 1600
We can write the equation for the perimeter as: 2x + 2y = 160
An easy way to solve a question like this is to graph both equations on a graphing calculator, if you don't have one on you you can use Desmos
Graph both: y = 1600/x
and
y = 80 - x
Turns out you get x = 40 and y = 40
Answer:
Each pen is $3.00.
Step-by-step explanation:
4x+2=2x+8
(subtract 2 from both sides)
4x=2x+6
(subtract 2x from both sides)
2x=6
(divide 2 by both sides)
x=3
Answer:
value of x is greater than -8.
Step-by-step explanation:
5-(x+5)>-2(x+4)
we need to find value of x.
consider
5-(x+5)>-2(x+4)
using distributive property, we get
5-x-5>-2x-2×4
5-x-5>-2x-8
nowsimplify both side
-x+2x>-8
transfer -2x form RHS To LHS
-x+2x-8
x>-8
therefor, value of x is greater than-8.
density= mass/volume
mass= densiy x volume
mass= 6.3 g/mm^3 x 30mm^3= 189 g
Answer:
The Answer is: (-2,1)
Step-by-step explanation: