Answer:
x=10
Step-by-step explanation:
5x+20=4x+30
Subtract 4x from each side
5x-4x +20 = 4x-4x+30
x+20 = 30
Subtract 20 from each side
x+20-20 =30-20
x =10
Answer:
1.335 Kilograms
Step-by-step explanation:
Answer:
x = 0.7071
y = 0.5
Step-by-step explanation:
y=-x^2+1
y=x^2
then:
-x^2+1 = x^2
2x^2 = 1
x^2 = 0.5
x = 0.7071
y = 0.5
Answer:
0.30
Step-by-step explanation:
You only need to significant figures which means two numbers following the decimal point for this problem. No rounding is necessary as no numbers are over five following your first two digits past the decimal place.
