Since the matrices have different dimensions, it is not possible to calculate the expression...
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Answer:
54 cents
Step-by-step explanation:
The cost of bookmarks relating to the number of bookmarks is shown in the coordinate grid. x represents the number of bookmarks and y represents the cost of each bookmark in cents.
The equation of a line passing through the points is given by:
From the coordinate grid, it has the points (2, 30) and (7, 90). Therefore, the equation is:
Therefore the cost of 4 bookmarks (x = 4):
y = 12(4) + 6
y = 48 + 6
y = 54 cents
Answer:
9-5 or 1/4-5
Step-by-step explanation:
<h3>
Answer: 31.50 dollars</h3>
Work Shown:
30% of 45 = 0.30*45 = 13.50
You save $13.50 and the sale price is 45 - 13.50 = 31.50 dollars
An alternative is to compute
0.70*45 = 31.50
This works because if you save 30%, then you have to pay the remaining 70%
28.7251 =
28 degrees
then take the decimal and multiply by 60 to get the minutes
so 0.7251 *60 = 43.506, use the whole number (43)
so now you have 28 degrees, 43 minutes
now take the remaining decimal ( 0.506) and multiply by 60
0.506*60= 30.36
when you have a decimal left over for the seconds, keep that as is.
so you now have 28 degrees, 43 minutes and 30.36 seconds
use ' for minutes and " for seconds
28 degrees 43' 30.36"