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g100num [7]
3 years ago
8

In the first week of July, a record 1,100 people went to the local swimming pool. In the second week, 110 fewer people went to t

he pool than in the first week. In the third week, 135 more
people went to the pool than in the second week. In the fourth week, 355 fewer people went to the pool than in the third week. What is the percent decrease in the number of people who went to the pool over these four weeks?

Mathematics
1 answer:
Sindrei [870]3 years ago
5 0

Honestly just try your best because I know you can do it

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Is 3/5 in simplest form
Nata [24]
Yeah it is already in simplest form
6 0
4 years ago
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F(x) = –2x2 + 4x + 1
ddd [48]

Answer:

x = 3/4

Step-by-step explanation:

f(x) = -2×2 +4x +1

f(x) = -4 +4x +1

f(x) = 4x -3

3 = 4x

3/4 = x

x= 3/4

3 0
3 years ago
How to solve in long division 82.14 divided by 6.
omeli [17]

Answer: 13.69

Step-by-step explanation:

82.14/6=

Multiply 82.14 by 100 to make it a whole number; since you're modifying the number, you must also multiply 6 by 100 in order to keep it balanced.

82.14*100/6*100

8214/600

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

Let's begin.

8214/600=13.69

600

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221'4

1800

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414'0

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7 0
3 years ago
7. There are 1000 different components in the system that your department has just designed. The objective is that for each of t
tatyana61 [14]

Answer:

The maximum probability for each of the components in a system to fail, for you to still achieve your objective, is 0.008992

Step-by-step explanation:

- There are 1,000 different components in each system.

- The Objective:

Each system should have a 0.999 probability of functioning properly. In other words, your department (or you) expects that each system will have a high probability of functioning properly, hence the closeness of 0.999 to 1.

- Each system is such that at most 8 components out of 1,000 can be bad, for it to still function.

- Question:

What must be the maximum probability for each component in a system to fail, for the system to still have a 0.999 probability of functioning properly?

ANSWER:

When the question says maximum, you need to assume that for each system, 8 components are actually bad!

1000 - 8 = 992

So with 992 components (at least or minimum) functioning, a system will still function.

Next Step:

Since the objective (the expected probability) for a system to function is 0.999, the probability of each of the minimum 992 components to function (which is same as the maximum probability for each of the 1,000 components to function) is

992/1000 × 0.999    

=0.992 × 0.999

=0.991008

Now, remember that the question says fail, not succeed. So, if the figure above is the maximum success rate for each of the 1,000 component parts (same as the success rate for each of the minimum of 992 component parts), then the failure rate or probability is (1 - 0.991008 = 0.008992).

FINAL ANSWER:

The maximum probability for each of the components in a system to fail, for you to still achieve your objective, is 0.008992

7 0
3 years ago
This is based off my previous question asked. please help!
Nana76 [90]

Answer:

30

Step-by-step explanation:

just trust me A+ here you come

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