Answer: 24
Step-by-step explanation: you add 9+9+3+3 and you get 24
There is only 1
(x + 3)^3 + 10 = 0
(x + 3)^3 = - 10
(x + 3) = cuberoot(-10)
x = -3 + cuberoot(-10)
Answer:
6days
Step-by-step explanation
Let's make an equation from this expression.
From the number of potatoes at the first warehouse after x days is:
y = 210 + 90x .............. 1
From the number of potatoes at the second warehouse after x days is:
y = 180 + 120x .............. 2
First warehouse having 1.2times
y = ( 210 + 90x ) × 1.2
y = 252 +108x ................... 3
Now, equate 2 and 3
252 + 108x = 180 + 120x
252 - 180 = 120x - 108x
72 = 12x
x = 72/12
x = 6
Now, substitute 6 into equation 1 and 2
From 1 , y = 210 + 90x
y = 210 + 90 ×6
y = 210 + 540
y = 750
From equation 2
y = 180 + 120x
y = 180 + 120×6
y = 180 + 720
y = 900
Recall that equation 1 was to be 1.2times
From the answer in equation 1
y =750
y = 750 × 1.2
y = 900
Hence, the answer is correct.
Since the functions are not included, I can help you with some examples and a general explanations which will help you to solve this kind of problems.
1) Assumption: all the functions that are considered are linear.
That means that f(x) = x is the parent function, and you can obtain the other functions by a set of transformations (translation and scalation) of the parent function.
2) Example 1: y = x + a
This is a special case of adding a constant to the function.
In this case, the graph of the new function is the graph of the parent function shifted a units upward.
3) Example: y = 5x
This is a special case of multiplying the function times a constant.
The result is streching the graph vertically by the same scale factor.
4) Example: y = (1/5)x - 8
In this case, the graph of y is obtained by scaling the parent function f(x) = x by 1/5 (which results in compressing the parent function vertically) and shifting the parent function 8 units downward.
