Answer:
Correct Answer is B
Step-by-step explanation:
y-4=6
+4. +4
y=10
Answer:
Step-by-step explanation:
I'm not sure if the right side is 
or 
, so I'll provide an answer for both:
Answer:
Step-by-step explanation:
1). 
Comparing exponents on both the sides.
x² + 2x = -1
x² + 2x + 1 = 0
(x + 1)² = 0
x = -1
2). 
By comparing exponents,
x - 3 = 3(x + 1)
x - 3 = 3x + 3
3x - x = 3 + 3
2x = 6
x = 3
3). 
By comparing exponents,
5 - k = 2(3 - k)
5 - k = 6 - 2k
2k - k = 6 - 5
k = 1
4). 
By comparing exponents,
x + 3 = 3(2x + 6)
x + 3 = 6x + 18
6x - x = 3 - 18
5x = - 15
x = -3
5). 
x - 2 = 0
x = 2
Answer:
The laser printer will have depreciated to $1487.5
Step-by-step explanation:
The cost price is $3400 and at a depreciation rate of 12% annually
then if it is used for 3 years, it would have depreciated
(3400 × 12 × 3)/100
= 34 × 12× 3
= $1912.5
Therefore the new price value will be
$3400 - $1912.5 = $1487.5
4 positive whole numbers add up to 39. That means there are 4 factors. One is a multiple of 7. (7,14,21,28,35) The other 3 are equal. Let X equal the multiple of 7, and let Y equal the numbers that are equal.
39=x+3y
Now, we have to fill in the possible multiples of 7.
39=7+3y
39-7=7-7+3y
32=3y
32/3=3y/3
10&2/3=y
When we use 7, the 3 numbers are not equal whole numbers. Let's try the next multiple.
39=14+3y
39-14=14-14+3y
25/3=3y/3
5=y
Yes, that is a whole positive number. It's correct.
We have to plug in the other multiples just to check, but I'll leave out the work.
39=21+3y
6=y
Yes, that is a possible answer.
39=28+3y
3&2/3=y The 3 numbers are not whole numbers.
39=35+3y
1&1/3=y The 3 numbers are not whole numbers.
In conclusion, the TWO possible answers are 39=14+3(5) and 39=21+3(6). If we multiply all four numbers for the first one then it equals 1750, and the second one equals 4536. Not sure what exactly your looking for, but I answered the best I could! Hope this helped. :)
