Answer:
9 & 6
Step-by-step explanation:
First, check if, by adding them (sum), they equal 15:
9 + 6 = 15
Next, check the greater number, by multiplying it by 2:
9 x 2 = 18
Check the lesser number, by multiplying it by 3:
6 x 3 = 18
Note that they both have 18 as an answer.
9 & 6 are your answers.
~
<span>–12 – 3 + 9
(-12 - 3) + 9
-15 + 9
-6</span>
Answer:
a) 910
b) 828100
c) 144320
Step-by-step explanation:
a. ∑y
This is the sum of all values of y. So
b. (∑y)^2
This is the square of the sum, so the square of 910, that we found in the previous item.
910² = 828100
c. ∑y^2
This is the sum of the squares of each amount spent. So
Answer:
The original cost of the DVD was $21`.59
Step-by-step explanation:
In order to find this, you first must note that the new price is 88% of the older price. We get this since there was a subtraction of 12%.
Now knowing that, we can divide the new price by the percentage paid and it will give us the original price.
$19/88% = Original Cost
19/.88 = Original Cost
$21.59 = Original Cost
$12.89 should be the answer bc 4.5+2.25=6.75 and 87 divided by 6.75 is 12.888888 so i would either round up or down
