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makvit [3.9K]
3 years ago
5

Factorise y² + 5y-84​

Mathematics
1 answer:
stepan [7]3 years ago
6 0

Answer:

(y-7) (y+12)

Step-by-step explanation:

Factor y2+5y−84y2+5y-84 using the AC method.

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The Asian elephant is an endangered species with a current population of 45,000. This species is said to be experinceing a decli
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Answer:

5 years

Step-by-step explanation:

Given that

The current population is 45,000

The rate of interest in declining would be 4.5% per year

The expected population is 35,746

We need to find out the no of years

Since the rate of interest decrease by 4.5% per year so after decreasing it the percentage would be 0.955

Now

Year 1 = 45,000 × 0.955 = 42,975

Year 2 = 42,975 × 0.955 =  41,041.125

Year 3 = 41,041.125 × 0.955 = 39,194.27

Year 4 = 39,194.27 × 0.955 = 37,430.53

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3 years ago
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4 0
3 years ago
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larisa86 [58]

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Step-by-step explanation:

7 0
3 years ago
Answer for x -4x-1=3
nordsb [41]

Answer:

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Step-by-step explanation:

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7 0
4 years ago
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When 36 is subtracted from the square of a number, the result is five times the number. What is the positive solution?
yarga [219]

Answer:

9

Step-by-step explanation:

x^{2}  - 36 = 5x

x^{2} - 36 = 5x

x^{2} -5x = 36

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-----------------------

81 = 81 ✅

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81 - 36 = 45 ✅

7 0
2 years ago
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