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Juli2301 [7.4K]
3 years ago
10

What is the approximate percent decrease when a fish count goes down from 850 to 500?

Mathematics
2 answers:
Deffense [45]3 years ago
5 0

Answer:

b

Step-by-step explanation:

Artist 52 [7]3 years ago
4 0

Answer:

Approximate decrease is 70%

Step-by-step explanation:

The percent decrease is the change over the new original / final value.  The change between the old and the new is 850 - 500, which is 350.  Thus the approximate percentage difference is

<u>350</u>

500

A quick way to turn anything with a denominator that starts with 5 and any number of zeros after it ... is to multiply both the top and bottom by 2.  That is, that turns the ratio above to:

<u>700 </u>

1000

Since a percentage is a number of 100, not 1000, just divide everything by 10.  That means take away a zero from each number, which gives you a fraction of:

<u>70 </u>

100

Thus, the result is 70/100, or 70%.

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Answer: Y = 3x - 2

Work: Okay, let's take this step by step. Since the Y - Intercept is -2, put a dot on -2 on the (Y) Line. It also just so happens that the line goes through -2. Now with 3x. 3x is the same thing as 3x / 1. Since three is on the top, you go up three from -2, and then move over one spot because of the 1 (If it was a negative one, you go the opposite direction) Alright, now you see that the line also passes through that point as well, so it has to be y = 3x -2

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8 0
3 years ago
The side of a square measures (2x − 5) units. Part A: What is the expression that represents the area of the square? Show your w
kolbaska11 [484]

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<span>B. The degree of a polynomial is the highest exponent of the variable x, in this case 2. Therefore the expression obtained in part A is of 2nd degree.</span>

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5 0
3 years ago
Please help 10 points to the one who answers correctly and tells me how to solve it.
Goshia [24]
Y = 76    x = 16 Sorry if I am wrong

Hope it helped
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3 years ago
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Answer:

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Answer:

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Step-by-step explanation:

8 0
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Read 2 more answers
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