Answer:
160
Step-by-step explanation:
40*4=160
160 min is also equal to 2 hours and 20 min
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Answer:
x = 4
Step-by-step explanation:
10 = -1/4 x + 11
10 - 11 = -1/4 x
-1 = - 1/4 x
x = 4
Answer: (-5, -10)
Explanation: The x-intercept will be -5
and the y-intercept will be -10
Answer:
8 = -7
This statement is false.
Step-by-step explanation:
The number will be represented by x
-7x + 8(x + 1) = x - 7
8 * x = 8x
8 * 1 = 8
-7x + 8x + 8 = x - 7
Add like terms
-7x + 8x = x
x + 8 = x - 7
-x -x
8 = -7
This statement is false.
Hi there! The answer is A.

To get a proper idea of the type of function this formula represents we work out the parenthesis.
Working out the parenthesis can for instance be done using rainbow technique.

We can now see sinilarities between this function an the general function of a line in slope intercept form

The function t therefore describes a line with slope 2 and y-intercept 4. Therefore the answer is A.