How many points does it take to determine a line ?

1 answer:

8 0

In general how many planes are there which contain two given points, three given points, and four given points? Three points that are not all on the same line (in other words, not colinear) define a plane. This is why a table with three legs (reasonably constructed) doesn't fall over and why a tripod supports a camera.

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Which of the following is NOT a reason why birth and death rates are high in developing countries?

Serga [27]

Answer:

Easy access to medical care is not a reason for high birth and death rates in developing countries.

Explanation:

A big portion of the developing countries tends to have high birthrates and high death rates. The reason for this are numerous, ranging from political, religious, traditional, economic, low education levels, women being discriminated against, etc. In general, it seems that the lower the status of women is in a society, the higher the birthrates are, and all of the factors that contribute to it actually result in a shorter life span for the whole population.

One thing that doesn't contribute to this is easy access to medical care. Easy access to medical care is not something that is found in a developing country, on contrary, the access to medical care is hard, limited, and for many people out of reach. When medical care is not available for the population the results are always devastating, with high death rates among infants, during birth (both mothers and children), diseases spread very easily and have a much bigger impact, and because of lack of it also the population leaves shorter lives.

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3 years ago

He picture below shows a container that Tim uses to freeze water:

Alja [10]

You have a formula : $V= \pi r^2h$ . You just have to apply it. It would gives :

$V= \pi (2)^2(8)$
$V=32 \pi$
$V=100.48cm^3$

Now, use your mind. How many would be needed to make 2000 cm3.

$\frac{2000}{100.48}$
$=19.94 = 20$

Therefore the minimum number of identical containers that Tim would need to make 2,000 cm3 of ice is 20 (option D).

Hope this helps !

Photon

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3 years ago

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About one-sixth of Ireland is covered by _____.

andrew-mc [135]

Is there something missing from this problem??????

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3 years ago

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10. A sundial uses patterns of what to tell time?

dem82 [27]

B shadows
The position of the sun in the sky casts a shadow on a properly placed sundial. This will give you time of day depending where the shadow falls.

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4 years ago

DESCRIBE the main provisions of the Endangered Species Act.

nikitadnepr [17]

Answer:

Summary:

The Endangered Species Act ("ESA") prohibits importing, exporting, taking, possessing, selling, and transporting endangered and threatened species (with certain exceptions). ESA also provides for the designation of critical habitat and prohibits the destruction of that habitat. ESA provisions are enforced through the use of citizen suits, imprisonment, fines, and forfeiture.

Explanation:

is that all or do you need more?

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3 years ago