Answer:
D
Step-by-step explanation:
If you were trying to find the amount of money that he would pay in 20 days, you would need to multiply the lunch and juice money by the amount of days.
6($) x 20(days) = 120
2 ($)x 20(days) = 40
So it would be 120, 40
=Answer choice D.
Answer: 16
Step-by-step explanation:
It’s option a. The question is a bit tricky because you’re given the image and asked to find the pre image.
Answer:
The width of the frame is 2 inches
Step-by-step explanation:
The given dimensions of the picture = 7 inches by 7 inches
The area of the picture, A₁ = 7 in. × 7 in. = 49 in.²
The area of the given picture and the frame, A₂ = 81 square inches
Let 'w' represent the width of the frame and whereby the picture is a square, we have;
The area of the picture with the frame, A₂ = 81 in.² = (7 + w) × (7 + w)
A₂ = 81 = (7 + w) × (7 + w) = 49 + 14·w + w²
49 + 14·w + w² - 81 = 0
w² + 14·w - 32 = 0
(x + 16)·(x - 2) = 0
∴ x = -16 or x = 2
Given that 'x' is a natural number, we have;
The width of the frame, x = 2 inches.
N=3x-2 would be the answe
