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Tpy6a [65]
2 years ago
11

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

Mathematics
2 answers:
Ad libitum [116K]2 years ago
8 0
To get this, you divide the smaller number by the larger one and get 0.5882... 500 is about 59% of 850, so to find the percent lost, you subtract that from 100 to get 41% decrease
Oksana_A [137]2 years ago
6 0
<span>What is the approximate percent decrease when a fish count goes down from 850 to 500?</span>The answer is 40% 
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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Arada [10]
If y=3x^2+30x+71, then 
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y=3((x+5)^2-25)+71=3(x+5)^2-75+71=3(x+5)^2-4. So, in the first gap you can write 5 and in the second you can write -4.
Since (x+5)^2\ge 0, the minimum value of y is when (x+5)^2=0. The solution of the last equation is x=-5 and then y=-4 -- these are numbers, which you can write in the third and fourth gaps.

5 0
1 year ago
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A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price.The customer was charged a 7%
Tems11 [23]

Answer:

The customer's total cost for the DVD is $19.26

Step-by-step explanation:

Store buy the dvd for $12.00.

The store price is $12.00+50% more

The store price= $12.00 *(1+0.5)= $18.00

Final price (tax added)= $18.00 + 7%

Final price= $18.00 * (1 + 0.07)= $19.26

3 0
2 years ago
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The maximum grade allowed between two stations in a​ rapid-transit rail system is​ 3.5%. Between station A and station​ B, which
saveliy_v [14]

Answer:

x = 3.1 %

Step-by-step explanation:

Let x be the slope the track.

Given:

Distance between station A and B = 270 ft

Track rise = 8\frac{1}{2} = \frac{17}{2} = 8.5\ ft

We need to find the slope of the railway track between station A an B.

Solution:

The maximum grade allowed between two stations in a​ rapid-transit rail system is​ 3.5%.

We know that slope of the railway track is equal to gradient of the tracks.

So. the slope of the railway track is defined as the ratio of the distance between the stations and track rises.

Slope\ of\ the\ the\ tracks =\frac{Distance\ between\ two\ stations}{track\ rises}

x=\frac{8.5}{270}\times 100

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So x = 3.1 % less than the maximum grade allowed between two stations in a​ rapid-transit rail system is​ 3.5%.

Therefore, x = 3.1 % meets the​ rapid-transit rail​ standards.

5 0
1 year ago
Angel owns 5/8 partnership in a bakery.<br> a. What percent of the bakery does Angel own?
OLEGan [10]
To start this, you would multiply 5/8 by 100 because you’re looking for a percentage.

5/8 x 100 = 62.5%
5 0
2 years ago
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Orlov [11]

Answer: no Tony is not correct It is less than 5 hundred dollars.

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4 0
2 years ago
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