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lozanna [386]
3 years ago
12

4.There are 8 elephants in the zoo. Each elephant eats about 2.16 × 105 pounds of vegetation per year. The zookeeper asked Abdul

la and Maryam to determine how many pounds of vegetation are required to feed all of the elephants. They wrote their solutions in scientific notation.
Mathematics
1 answer:
Anvisha [2.4K]3 years ago
5 0

Answer:

1.728 × 106 pounds of vegetation

Step-by-step explanation:

From the question, each elephant eats 2.16 × 105 pounds of vegetation per year.

Since there are eight elephants, it will cost a total of 8× 2.16 × 105 pounds of vegetation per year = 1.728 × 106 pounds of vegetation

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2x=y^2-10

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The school that Lisa goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 4 se
kakasveta [241]
Let:
x = cost of senior citizen ticket
y = cost of student ticket

4x + 5y = 102
7x + 5y = 126

4x + 5y = 102
4x = 102 - 5y
x = (102 - 5y)/4
x = 102/4 - 5y/4

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note:
-35y/4 = -8.75y
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x = 102/4 - 5y/4
x = 102/4 - 5(14)/4
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3 years ago
Joe earns $13.40 an hour and it's paid every two weeks. Last week he worked seven hours longer than the week before. His pay for
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