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Andreyy89
2 years ago
12

17 There are 64 species of animals in the Metropolitan Zoo.

Mathematics
1 answer:
sladkih [1.3K]2 years ago
6 0
8 animals are from South America

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Math question down below
lozanna [386]

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315

Step-by-step explanation:

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3 years ago
Amy has $1,000 in a savings account at the beginning of the fall. She wants to have at least $500 in the account by the end of t
LuckyWell [14K]

Answer:

D. 1000 - 100w \geq 500; w \leq 5

Step-by-step explanation:

Given:

Initial amount in the bank = $1000

Money withdrawn each week = $100

Final amount should be at least $500.

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Therefore,

Money withdrawn in 'w' weeks = \textrm{Money withdrawn each week}\times w

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Now, final amount after 'w' weeks is equal to the difference between initial amount and total withdrawal amount. Therefore,

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Final amount = 1000 - 100w

Now, final amount must be greater than or equal to $500. So,

\textrm{Final amount}\geq500\\\\1000-100w\geq500

Therefore, the  inequality that represents the inequality for the number of weeks Amy can withdraw money is:

1000-100w\geq500

Now, let us solve for 'w'.

Adding -500 and 100w both sides, we get:

1000-500-100w+100w\geq500-500+100w\\\\500\geq100w\\\\\textrm{The above inequality is reversed when taking 100w on the left side}\\\\100w\leq500\\\\w\leq\frac{500}{100}\\\\\therefore w\leq5

Therefore, the correct option is (D).

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3 years ago
Select all ratios equivalent to 20:15
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b and c

Step-by-step explanation:

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2 years ago
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