Answer:
d = 3
Step-by-step explanation:
A common difference d means there is the same difference between consecutive terms, that is
5 - 2 = 3
8 - 5 = 3
11 - 8 = 3
Hence there is a common difference of 3
The scale indicates that 2.5cm/0.00001mm = 1, and due to the multiplicative identity property, you can multiply anything in an equation by one, so you would do (7cm)(0.00001mm/2.5cm) = 0.000028
Area = Base x Height
= (x-4) * ( 2x² +2x -6 )
= 2x³ +2x² -6x -8x² -8x+24
Area = 2x³ -6x²-14x +24 square centimeter
the second answer
Answer:
The answer would be B. 12 + 6n is greater than or equal to 30, so n is less than or equal to 3.
explanation:
I'm bad with explaining things, but I'll try my best to explain why this is the right answer.
12 + 6n ≥ 30, so n ≤ 3
let's start with the 12 at the beginning of the inequality, Annie already has $12, so the 12 in the inequality shows the amount of money she already has being added to the $6 per hour of babysitting she needs to do (n).
Now for the + 6n, the plus is there to show that the $12 Annie already has is being added to the 6n. The 6n then represents the $6 Annie makes each hour and the n represents how many hours she needs to babysit in order to get $30. The 6 is being multiplied by the amount of hours she needs to babysit to show how much money Annie would make. Then you add on the $12 she already has.
Annie then needs at least $30, but if she makes more than $30 then she will simply have more money than needed, therefore you use the greater than or equal to sign to show that she can have more money than just $30 after working.
I hope this helps, and sorry if my explanation is hard to understand lol.
Answer:
budget for defense in billions of dollars = x + 629.1
since its already in billions, we don't need to convert the number