Answer:
you substitute x for 4 and so you multiply 9 x 4 which will give you 36 and then you have to add four times y so you substitute y for -3 and you add 36 - 12 which will give you 24
Answer:
Step-by-step explanation:
To find the Scale factor we use this formula:
Scale factor / K = Dimension of the new shape ÷ Dimension of the original shape
Substitute any 2 corresponding sides into the formula:
I took 1 and 4:
K = 1 / 4
K = 0.25
I'm not sure which form the question is so I will leave it here.
Hope this helped. Brainliest please?
Answer:
Last year the cost was $28.
This year the cost is $36.
$36 - $28 = $8
Percent of increase = amount of increase ÷ original amount
$8/$28 = $0.286
$0.286 · 100 = 28.6%
There has been a 28.6% of change in the cost.
Step-by-step explanation:
I think the answer is:
A. y=-3+2x
D. y=5x-4
Hope it helps