natimike10
05.07.2019 •
Mathematics
What is the common difference of the sequence?
-4,-2, 0, 2, 4,.
d = - 2
d= 2
d = 2
d = 4
d = -4
Solved
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Ответ:
d= 2
Step-by-step explanation:
To find the common difference, take the second term and subtract the first
-2 - (-4)
-2+4 = 2
We add 2 each time
Lets check
Take the third term and subtract the second
0- -2
0+2 =2
The common difference is 2
Ответ:
B and C are supplementary
Complementary angles are 90 degrees 59+31=90
Supplementary angles are 180 degrees 119+61=180