I think it’s C not sure tho
The answer is 7i because if you add 4+3i together as an absolute value, it equals to 7 plus the i is 7i
The function y = 2.5x + 500 represents the total number of miles if the motor car race is 500 miles long, option (d) is correct.
<h3>What is a function?</h3>
It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
We have:
y represents the number of miles a motor car has left to go in the race
x represents the number of laps completed by the motor car
The total number of miles if we consider only circular speedways = 2.5x
The total number of miles:
y = 2.5x + 500 (because 500 is the constant)
Thus, the function y = 2.5x + 500 represents the total number of miles if the motor car race is 500 miles long option (d) is correct.
Learn more about the function here:
brainly.com/question/5245372
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Answer:
2628.48 cubic inches
Step-by-step explanation:
The inflatable raft has 4500 cubic inches of air inside it when fully inflated.
The inflatable raft loses air at a rate of a decrease 6.5% each day.
Now, we have to calculate the volume of air that will be left in the raft after 8 days.
Therefore, the volume of air left in the raft after 8 days will be ![4500[1-\frac{6.5}{100} ]^{8} =2628.48](https://tex.z-dn.net/?f=4500%5B1-%5Cfrac%7B6.5%7D%7B100%7D%20%5D%5E%7B8%7D%20%3D2628.48)
cubic inches. (Answer)
Answer:
240 square units
Step-by-step explanation:
rectangle= 20x10=200
triangle= 1/2(4)(20)=40
200+40=240
