Answer:
27 is a cubed number because 3 to the third power, or cubed, is 27. 3*3*3=27. 3*3=9.
9*3=27
Step-by-step explanation:
Answer:
U=76 and R=42 so they are not
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Answer:
3, -7, -17, -27, -37, -47
Step-by-step explanation:
Given: First term: a= 3 and Common Difference, d = -10
We need to find the first six term of the sequence.
Formula: ![a_n=a+(n-1)d](https://tex.z-dn.net/?f=a_n%3Da%2B%28n-1%29d)
where,
nth term of series
a is first term
n is number of term
d is common difference
For Second term, n=2
![a_2=3+(2-1)(-10) = 3-10=-7](https://tex.z-dn.net/?f=a_2%3D3%2B%282-1%29%28-10%29%20%3D%203-10%3D-7)
For Third term, n=3
![a_3=3+(3-1)(-10) = 3-20=-17](https://tex.z-dn.net/?f=a_3%3D3%2B%283-1%29%28-10%29%20%3D%203-20%3D-17)
For Fourth term, n=4
![a_4=3+(4-1)(-10) = 3-30=-27](https://tex.z-dn.net/?f=a_4%3D3%2B%284-1%29%28-10%29%20%3D%203-30%3D-27)
For Fifth term, n=5
![a_5=3+(5-1)(-10) = 3-40=-37](https://tex.z-dn.net/?f=a_5%3D3%2B%285-1%29%28-10%29%20%3D%203-40%3D-37)
For Sixth term, n=6
![a_6=3+(6-1)(-10) = 3-50=-47](https://tex.z-dn.net/?f=a_6%3D3%2B%286-1%29%28-10%29%20%3D%203-50%3D-47)
Hence, The sequence is 3, -7, -17, -27, -37, -47
Answer: this is just algebra, so you just got to add 3 plus 12 and then add the X at the end cause you don't know it's value.
Step-by-step explanation:
In this case you are multiplying 3 times X so it would stay as 3 and just add 12 = 15 X
Hope I helped.