Answer:
-4
Step-by-step explanation:
We have the coordinates (6, 3) and (8, 4), allowing us to calculate the slope (or gradient). To do this, you divide the change in y by the change in x, which is 1/2 which is a half.
The form of a linear equation is y = mx + c, where m is the gradient and c is the y-intercept.
We have the gradient, so we can put it in the equation:
y = x/2 + c
We can now substitute in a pair of our coordinates and rearrange to find the y-intercept.
3 = 6/2 + c
3 = 3 + c
c = 0
Therefore the equation for our line is y = x/2.
We can now put in the y coordinate we were given to work out the corresponding x coordinate:
-2 = x/2
x = -4
Therefore n is -4.
Answer:
5 more minutes (total of 20 minutes per applicant)
Step-by-step explanation:
Divide an hour by 1/3 (60/3 = 20 minutes)
Divide an hour by 1/4 (60/4= 15 minutes)
By spending 1/3 of an hour (20 minutes) instead of 1/4 of an hour (15 minutes), she spent 5 more minutes meeting all applicants.
Answer:
C
Step-by-step explanation:
Noting that
+ (- ) is equivalent to subtraction
- (- ) is equivalent to addition
Given
13 + (- 12) - (- 5)
= 13 - 12 + 5
= 1 + 5
= 6 → C
Answer:
The answer is 6.75 calories or 
Step-by-step explanation:
First, we need to find out how many calories per 1/3 minute.
4 1/2 divided by 2 = 2 1/4 or 2.25
2 1/4 or 2.25 x 3 = or 6.75 calories
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9:::: 1=180-123=57degree
2= 180-57-62=61 degree
