Answer:
1
Step-by-step explanation:
Look at the LHS: you have the square of x, then you have 2 times x, times -1. to complete a square you just need to add the square of -1, that is 1. That becomes
Answer: You listed different numbers then in the picture since there is no 11 so this is based off of the picture.
Range: 20
Median: 15
Step-by-step explanation:
Range is just the highest number minus the lowest: 32-12 is 20
Median is the middle number after you put the numbers in order
12, 13, 13, 15, 16, 19, 32
Many when you solve it it works out perfectly.
Answer:
The selling price would be $420.
Step-by-step explanation:
In order to find the mark up, we need to multiply the amount it originally costs by the percentage it is being marked up.
$300 * 40% = $120
Now that we have the mark up amount, we add it to the original cost to get the sale price.
$300 + $120 = $420
Answer:
?=19
x=30
Step-by-step explanation:
5/6x - 1/5x = 19
5(5/6x) - 6(1/5x) = 19
25/30x-6/30x=19
19/30x=19
19x=19(30)
19x=570
x= 570/19
x=30
