Which explanations explain why life on Earth can exist? (Select all that apply.)

The access code for a card security system consist of four digits the first digit cannot be 4 and the last digit must be odd. Ho

Deffense [45]

Different codes for access code which are available are: 4000

_ _ _ _

1 2 3 4

1st blank can be filled with the following possibilities, here the conditions are:

1)The first digit cannot be 4

2)The first digit cannot be 0 also since it makes the access code 3 digits hence

From 1 to 9 except 4 there are 8 possible ways to fill that blank

8

2nd blank can be filled with any number between 0 to 9 in 10 possible ways

8 10

3rd blank can be filled with any number between 0 to 9 in 10 possible ways

8 10 10

4th blank can be filled with any odd numbers between 0 to 10 - 1,3,5,7,9

8 10 10 5 = 8 x 10 x 10 x 5 = 4000

Hence to conclude that 4000 available codes are there for the access security card

To know more about permutations and combinations please follow this link

brainly.com/question/1216161

5 0

1 year ago

Which phrase best describes a consumer in a food web?

wel

Answer:

An organism that gets its energy by eating plants or animals or An organism that forms the base of the food chain.

Explanation:

Pls, choose me as brainliest!

8 0

2 years ago

In July 2019, there were 1.5 million people who were marginally attached to the labor force, essentially unchanged from a year e

topjm [15]

These people are referred to as the discouraged workers.A person who is eligible for employment and can work but is unemployed currently and has not attempted to find employment in the last four weeks

Explanation:

Discouraged workers are the individuals who is eligible for employment and can work but is unemployed currently and had not made any attempt to find employment in the last four weeks.

For example: Young graduates,senior citizens.

Discouraged workers are not considered as a part of the labour force and are not counted in most official unemployment rates.

These are people who were not in the labor force, although they wanted work and were available for it and had looked for jobs at some point in the previous 12 months. They were not counted as unemployed because they had not actively searched for work in the 4 weeks preceding the survey.

If unemployed workers become discouraged, the measured unemployment rate will fall

4 0

3 years ago

A 50. 0-g sample of liquid water at 25. 0 °c is mixed with 23. 0 g of water at 79. 0 °c. The final temperature of the water is _

ioda

Answer:

0° mass

Explanation:

hope this helps.

8 0

2 years ago

Type your response in the box.

kow [346]

Answer:

The author makes this claim in the passage: Keeping animals in zoos is cruel and unfair to the animals.

The author supports this claim by discussing three major problems with zoos. The first problem is that zoos cause behavior problems in animals. The author supports this claim by mentioning studies that prove the claim. The author also states that zoos do not consider the specific traits of different animals. The author cites a study of a zoo in Belfast, Ireland, to support this claim. Lastly, the author states that zoos do not focus on protecting endangered animals. The author supports this claim by noting the number of zoos worldwide that support wildlife conservation.

Explanation:

that is the sample answer.

7 0

2 years ago