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ghazanfarwaheed7967
15.10.2019 •
Mathematics
Jan has $130 if she saves 25 per week in how many weeks will she have $600
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Ответ:
130+25w=600
25w=470
w=18.8
We will round 18.8 weeks to 19 weeks to make it a whole number.
It takes 19 weeks to save $600.
Ответ:
Step-by-step explanation:
Area of a trapezium = ¹/₂ (a + b) h
But the height isn't given. So we have to solve for it.
h = √(10² - 6²) [using the Pythagorean theorem]
= 8
∴ Area of the shape = ¹/₂ (13 + 28) 8
= 164 u²