15x2+10x-9x+7
8x3+20x2+3x+12
11x4+4x2-6x2-16
Hope this helps !!
Answer:
181/20
Step-by-step explanation:
9.05=9 5/100 = 9 1/20
9*20+1=180+1=181
181/20
Answer: x = -2, y = -10
Step-by-step explanation:
solve for x first in the equation -2x+3=7
-2x+3=7
-2x = 4
x = -2
now plug that x value into the other equation so we can find y
3x+1 = 5+y
3(-2)+1 = 5+y
-6+1 = 5+y
-5=5+y
-10 = y
22/2=11( sum of both lengths)
4x-1=11
4x=12
x=3
length=8
width=3
Answer:
408.3%
Step-by-step explanation: