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RSB [31]
3 years ago
8

What are the names for the sides of a triangle?

Mathematics
1 answer:
iren2701 [21]3 years ago
5 0

Answer:

there are none

Step-by-step explanation:

a triangle its is own shape and does not have any name for each side.

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Staying at the hotel in Virginia Beach costs $98.99 a night. How much would it cost to stay 4 nights? 1. In the box below type w
grigory [225]

Answer:

1.   395.96      2.   addition    3.  I picked it because each night it is 98.99 so if you were there for 4 days you would do  98.99 +98.99 +98.99 +98.99.  Which equals 395.96.

Step-by-step explanation:

5 0
3 years ago
A group of students is arranging squares into layers to create a project. The first layer has 5 squares. The second layer has 10
True [87]

Answer:

  • Recursive formula:

                                         a_1=5;a_n=5+a_{n-1},n>0

Explanation:

All the shown formulae in the choice list are recursive formulae instead of explicit formulae.

Explicit formulae that represent arithmetic sequences are of the form:

  • a_n=a_1+(d-1)n

That kind of formula permits to determine any term knowing the first term, the number of the term searched, and the common difference (d).

On the other hand, the recursive formulae let you to calculate one term knowing the previous term and the difference.

In this case, the difference in the number of squares of two consecutive terms is:

  • differece = number of squares in the second layer - number of squares in the first layer.

  • d = 10 - 5 = 5

Then, the recursive formula is:

  • a_1=5;a_n=5+a_{n-1},n>0

8 0
3 years ago
A car manufacturer has a failure rate in their oil gasket of 2%. What is the probability that , of 1200 cars built, 50 will deve
Keith_Richards [23]

Answer:

4%

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Jay’s roof is shaped like a triangle. It has a base of 70 feet and a height of 16 feet. What is the area of Jay’s roof?
Wittaler [7]
4,200 you just divide both sides
6 0
3 years ago
Read 2 more answers
Explain the difference between a stratified sample and a cluster sample. (Select all that apply.) In a cluster sample, the only
ziro4ka [17]

Answer:

  • In a cluster sample, every sample of size n has an equal chance of being included.
  • In a stratified sample, random samples from each strata are included.
  • In a cluster sample, the clusters to be included are selected at random and then all members of each selected cluster are included.
  • In a stratified sample, every sample of size n has an equal chance of being included

Step-by-step explanation:

In a stratified sample the population is divided into different segments and then we take random elements from each segment.

In a cluster sample, the sample is divided into segments (or clusters) and then the sample is taken by selecting different clusters.

Therefore, in the cluster sample we take ALL elements from different clusters while in a stratified sample we take SOME elements from the different sections.

Now let's take a look at the options given:

  • In a cluster sample, the only samples possible are those including every kth item from the random starting position: FALSE. In the cluster sample we select all items from the cluster.
  • In a cluster sample, every sample of size n has an equal chance of being included: TRUE. if we divide the sample into clusters of size n then every cluster has an equal chance of being selected (since we select them at random).
  • In a stratified sample, random samples from each strata are included: TRUE. We already said that we take a random sample from each segment (strata).
  • In a stratified sample, the only samples possible are those including every kth item from the random starting position: FALSE. We can apply different methods to select our sample from each strata.
  • In a cluster sample, the clusters to be included are selected at random and then all members of each selected cluster are included. TRUE. This is the definition of cluster sample we wrote at first.
  • In a stratified sample, every sample of size n has an equal chance of being included: TRUE, we take samples from elements, not from stratas.
  • In a cluster sample, random samples from each strata are included: FALSE. This is the definition of stratified sample.
  • In a stratified sample, the clusters to be included are selected at random and then all members of each selected cluster are included: FALSE. This is the definition of cluster sample.

8 0
3 years ago
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