bellarae502
08.01.2021 •
Mathematics
Writing You want to buy a pet lizard that costs $53. You already have $17 and you
plan to save $8 per week. If w represents the number of weeks until you have
enough money to buy the lizard, what equation could you use to find the value of
w? Use pencil and paper. Explain how you could set up an equation to find the
amount of money you should save each week if you want to buy the lizard in three
weeks.
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Ответ:
The answer to your question is 2, 1/2, 1, 2
Step-by-step explanation:
a) 3² 4³ 2⁻¹ / (3 4)² = (3²)(4²) 4 (2⁻¹) / (3 4)² = (3 4)² 2² 2⁻¹ / (3 4)² = 2
b) 2⁴ 3⁵ / (2 3)⁵ = 2⁴ 3⁴ 3 / (2 3)⁵ = (2 3)⁴ 3 / (2 3)⁵ = 3 / 2 3 = 1/2
c) 3⁻³ 2⁻³ 6³ / (4°)² = (3 2)⁻³ 6³ / 1² = 6⁻³ 6³ = 1
d) (3 2)⁴ 3⁻³ / 2³3 = 3⁴2⁴ 3⁻³ / 2³3 = 3 2 / 3 = 2