kayelynn003
06.09.2019 •
Mathematics
This is 8th grade algebra honors math
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Ответ:
Step-by-step explanation:
(y² * z⁻⁵)¹/²⁰ * (y²)⁶ = y ² * ¹/²⁰ * z⁻⁵*¹/²⁰ * y ²*⁶
= y ¹/¹⁰ * z ⁻¹/⁴ * y ¹²
= y ¹/¹⁰ ⁺ ¹² * z ⁻¹/⁴
= y ¹²¹/¹⁰ * z ⁻¹/⁴
Ответ:
-4/7
Step-by-step explanation:
Let the number be x
7x+8=4
7x=4-8
x=-4/7