Answer:
-
Step-by-step explanation:
= ( cross- multiply )
6x = 5y ( divide both sides by 6 )
x = y
Then
← substitute x = y into the expression
=
=
=
= × -
= -
Answer:
13.76
Step-by-step explanation:
We want year 10; this means we substitute 10 in place of x:
y=-0.34(10²)+4.43(10)+3.46
y = -0.34(100)+4.43(10)+3.46
y = -34+44.3+3.46 = 13.76
What 2 numbers multily to get -16 and add to get -6?
-8 and 2
(x+2)(x-8) is answer
0.4 is 4/10 in decimal form.