Answer:
19
Step-by-step explanation
Let the sum of n terms of A.P. = Sn
Answer:
ABD ≅ ACD and PQS ≅ PRS
Step-by-step explanation:
For ABD ≅ ACD;
AB = AC = 3.5
BD = CD = 2.5
AD ≅ AD by reflexive
Since all 3 sides are congruent, SSS can be used
For PQS ≅ PRS
PQ≅PR by given
QS≅RS by given
PS≅PS by reflexive property
Since all 3 sides are congruent, SSS can be used and they are congruent
Answer:
0.22
Step-by-step explanation:
22x + 11 = 4x - 7
22x - 4x = -7 + 11
18x = 4
x = 4/18
x = 0.22
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