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KayleighMorganhopkin
08.12.2020 •
Mathematics
Which rule will find the nth term of the arithmetic sequence
-58, -65, -72, -86, …?
A. an = -65 − 7n
B. an = -65 + 7n
C. an = 51 − 7n
D. an = -51 + 7n
E. an = -51 − 7n
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Ответ:
nswer:
See below
Step-by-step explanation:
The triangles ΔTYW and ΔZYW are congruent because
TY = ZY,
YW is common and
the included angle is of same measure, ∠TYW = ∠ZYW = 90°
- SAS theorem
18.
TW = WZ
2x = 3x - 5
3x - 2x = 5
x = 5
19.
TW = 2x = 2*5 = 10
20.
WZ = TW = 10
21.
Triangle TWZ is isosceles
22. This question is incomplete
Step-by-step explanation:
Ответ:
Flat fee of 20 dollars with 5 dollaers every hour=
20+h5
Step-by-step explanation: