Answer:
4,8,12,16,20,24,28,32,36
7,14,21,28,35,42,49,56,63
3,6,9,12,15,,18,21,,24,27
9,18,27,36,45,54,63,72,81
Step-by-step explanation:
1. B (40- 3n)
2.c (86)
1. The shirts cost 3n. So you do 40- 3n(what the shirts cost) to find the amount of change he will recive.
2. Just plug the numbers in- 1.8(30) + 32=86.
circular cardboard with an area between 154 in² and 616 in²
Radius is between 7 inches and 14 inches. ⇒ A) 7 < r < 14
√18 + √2 = √9 *2 + √2 = 3√2 + √2 = (3+1) √2 = 4√2
D) It is irrational and equal to 4 multiplied by the square root of 2.
it is an enlargement with a scale factor greater than one.
you can tell this, because the pre-image is smaller than the image, and its more than double the size :)
y = 3x -18 ( where y = balls sent back by Rudolf; x= balls given to Rudolf)
x (Balls given) y( Balls sent back)
8 6 Δy/Δx = (27-6)/(15-8) = 3
15 27
25 57 Δy/Δx = (57-27)/(25-15) = 3
Observing the number sequence shows constant gradient and as such we can use equation of a straight line to relate the two variables.
Using the equation of a straight line we have:
(y-y1)/(x-x1) = (y2-y1)/(x2-x1)
y-6/x-8 = (27-6)/(15-8)
y-6/x-8 = 3
y-6 = 3(x-8)
y-6 = 3x - 24
y = 3x-18
