Choose all that give the correct term value for each sequence. An = 3n − 7 term 15 is 52 An = 4n + 3 term 7 is 31 2, 6, 10, 14.. . term 9 is 32 −2, −5, −8, −11... term 10 is −29 An = −2n + 4 term 8 is −20 An = −n − 7 term 6 is −13 −3, 6, −12, 24... term 6 is −96 64, 32, 16, 8... term 7 is 1.
2 answers:
Answer:
its a
Step-by-step explanation:
Answer:
See below:- 2 are correct.
Step-by-step explanation:
an = 3n - 7 :- 52 is not term 15 , as 3(15) - 7 = 38
an = 4n + 3 :- term 7 is 4(7) + 3 = 31 (CORRECT). Term 9 is 4(9) + 3 = 39 <em>- none </em>of numbers in the list. term 10 = 40 + 3 = 43 .
an = -2n + 4 :- term 8 is -16 + 4 = -12.
an = -n -7 :- term 6 = -6-7 = -13 (CORRECT). Term 7 = -7-7 = -14.
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<h3>Given</h3>
m∠REG = 78° mAR = 46° ER ≅ GA <h3>Solution</h3>
m∠GAR = 180° - m∠REG = 180° - 78° = 102° (supplementary angles sum to 180°) m∠TAR = 1/2mAR = 1/2(46°) = 23° (tangent chord angle is half the size of intercepted arc) m∠GAN = 180° - (m∠TAR + m∠GAR) = 180° - (23° + 102°) = 55° (straight angle is 180°) mAG = 2m∠GAN = 2(55°) = 110° mRE = mAG = 110° (as ER ≅ GA) mGE = 360° - (mAG + mAR + mRE) = 360° - (110° + 46° + 110°) = 94° (full circle is 360°)
