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ch4aika [34]
3 years ago
9

Gold costs x cents per gram.

Mathematics
1 answer:
amm18123 years ago
3 0
Y/(X•grams), find the total cost of the gold, then use y to divide the whole thing.
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The causes of land pollutions are​
Sergeu [11.5K]

Answer:

Step-by-step explanation:

Pollution can be defined as the introduction of harmful substances (man-made or natural) into the environment.

There are four major types of pollution:

1. Land pollution

2. Water pollution

3. Air pollution

4. Noise pollution

Land pollution refers to the gradual disintegration of the earth surface.

Causes of land pollution

1. Deforestation: The continuous cutting down of trees in the forest.

2. Erosion: The gradual disintegration of soil caused by the action of water.

3. Harmful agricultural practices such as bush burning, introducing toxic substances such as pesticides into the soil

4. Increased industrial waste due to increase in the number of industries

5. Mining of natural resources from the earth surface

6. Construction of bridges, railways and roads

5 0
3 years ago
A product is made up of components A, B, C, D, E, F, G, H, I, and J. Components A, B, C, and F have a 1/10,000 chance of failure
lesantik [10]

Answer:

The overall reliability is 99.7402 %

Step-by-step explanation:

The overall reliability of the product is calculated as the product of the working probability of the components.

For components A,B,C and F we have :

P(failure)=\frac{1}{10000}

⇒

P(Work)=1-\frac{1}{10000}=\frac{9999}{10000}=0.9999

For components D,E,G and H we have :

P(failure)=\frac{3}{10000}

⇒

P(Work)=1-\frac{3}{10000}=\frac{9997}{10000}=0.9997

Finally, for components I and J :

P(failure)=\frac{5}{10000}

⇒

P(Work)=1-\frac{5}{10000}=\frac{9995}{10000}=0.9995

Now we multiply all the working probabilities. We mustn't forget that we have got ten components in this case :

Components A,B,C and F with a working probability of 0.9999

Components D,E,G and H with a working probability of 0.9997

Components I and J with a working probability of 0.9995

Overall reliability = (0.9999)^{4}(0.9997)^{4}(0.9995)^{2}=0.997402

0.997402 = 99.7402 %

4 0
3 years ago
23,697 round to the nearest ten thousand
CaHeK987 [17]
20,000 would be the answer
8 0
3 years ago
A bag of potato chips costs $6.99 and comes with 87 chips. If you could buy them
blondinia [14]

Answer:

125

Step-by-step explanation:

By doing 6.99/87, we can figure out that each chip costs approximately 8 cents. With this in mind, we can divide 10 by 0.08 to get 125.

3 0
3 years ago
Read 2 more answers
There are 1,200 people at the beach. If 88% of them went in the water, how many people DID NOT go in the water?
kiruha [24]

Answer:

144 people

Step-by-step explanation:

88% = 0.88

We multiply the total number with 0.88 to see how many people went in the water:

1200(0.88) = 1056

To find the number of those who did NOT go in the water, we subtract the product from the total number:

1200 - 1056 = 144

4 0
3 years ago
Read 2 more answers
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