Answer:
Step-by-step explanation:
I have to go with 9r-18= -27 is my answer for your math
Answer: x = 11
Step-by-step explanation:
10x+84=194
10x = "10 times a number"
+84 = "increased by eighty four"
=194 = "equals 194"
10x+84=194
Subtract 84
10x = 110
Divide by 10
x = 11
<em>Hope it helps <3</em>
Answer:
y=2x^2+1
Step-by-step explanation:
a quadratic equation has a x^2 term
We have equation:
t=20x+31
x is number of years after 1997.
To calculate number of laptops in 2005:
x=2005-1997
x=8
t=20*8+31
t=160+31
t=191
In year 2005 school had 191 laptops.
Step-by-step explanation:
no of days = (15×12)/20= 9 days
I hope this helps
