The answer is zero because the line is completely horizontal
Answer:
33.33%
Step-by-step explanation:
Formula for calculating Percentage change =
<u>New Price - Old Price</u> x <u>100</u>
Old Price 1
Where new price is $8
Old Price is $6
Step 2: Input the variables in the above formula
<u>$8 - $6</u> x <u>100</u>
$6 1
= <u>$2</u> x 100
$6
= $0.333 x 100 = 33.33%
Percentage change = 33.33%
4. You remove the brackets
Remember:
-a × -b = positive ab / +ab
a × b = positive ab / +ab
-a × b = negative ab/ -ab
a × -b = negative ab / -ab
Where ab is the product of the two numbers & - or + are the signs.
a) 5(2x+3y) -4(3x-5y)
= 10x + 15y -12x + 20y
= 10x - 12x + 15y + 20y
= -2x + 35y
= 35y - 2x [I've been told that most people prefer the positive number in front rather than the negative number]
b) x- 2(x+ 3y) -(2x+3y) -4(x+y)b
= x - 2x - 6y - 2x - 3y - 4x - 4y
= x - 2x - 2x - 4x - 6y - 3y - 4y
= -7x - 13y
c) 3(a + 2b -2) -2(2a - 5b - 1)
= 3a + 6b - 6 -4a + 10b + 2
= 3a - 4a + 6b + 10b - 6 +2
= - a + 16b - 4
= 16b - a - 4
Answer:
So there are 8 five-point problems and 30 two-point problems
