It’s 40 because it’s closer to 40 than 30
Answer:
(1,4)
x= 1
y= 4
(I checked on desmos and this is correct)
Step-by-step explanation:
I'm going to solve this by substitution
To do this we need to get a variable by istelf in any equation
We'll start with 18x-2y=10
We can add 2y and divide by 2 to get
y=9x-5
This is what y will equal for now and we can plug this in for y in the second equation
3x+16(9x-5)=67
This is rather easy to solve
147x-80=67
147x=147
this means that x=1
We can then use this value for x and plug it into any equation
let's just do the first one
18*1-2y=10
This is easy to solve as well and you should get
-2y=-8
y=4
this means that x=1
y=4
Answer:
f(n) = 16(0.5)ⁿ⁻¹
Step-by-step explanation:
Find f(1) for each option.
a) f(1) = 16(0.5)¹⁻¹ = 16
b) f(1) = 32(0.5)¹⁻¹ = 32
c) f(1) = 16(0.5)¹ = 8
d) f(1) = 32(0.5)¹⁺¹ = 8
Only the first option matches the table.
