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Zielflug [23.3K]
3 years ago
14

In solving for systems of equations, by graphing, im sorry but I really need help, with one question, y= 2x + 3

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
8 0
Is there another equation? A system of equations means more than one equation and you only provided one. Thanks
OLga [1]3 years ago
6 0
2x=3-y so collect the likes term which is xy= 3\2
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I'm a little bit confused about this question.
Virty [35]

Answer:

4

Step-by-step explanation:

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3 years ago
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In a school survey, three homerooms are chosen and 10 students from each homeroom are randomly chosen to complete the survey. Id
lesya [120]

Answer:

This sampling method used in this question is the stratified sampling method.

Step-by-step explanation:

There are about 5 known sampling methods.

- Random Sampling

In random sampling, each member of the population has an equal chance of being surveyed. All the students are given a number and random numbers are generated to pick the students to be surveyed.

- Systematic sampling

This is easier than random sampling. In systematic sampling, a particular number, n, is counted repeatedly and each of the nth student is picked to be sampled.

- Convenience Sampling

This is the worst sampling technique. It is also the easiest. In Convenience sampling, the surveyor just surveys the first set of students that they find.

- Cluster sampling

Cluster Sampling divides the population into groups which are called clusters or blocks. The clusters are selected randomly, and every element in the selected clusters is surveyed.

- Stratified Sampling

Stratified sampling divides the population into groups called strata. A sample is taken from all or some of these strata using either random, systematic, or convenience sampling. This is evidently the answer to the question as the students are divided into homerooms (strata) and samples are now randomly taken from 3 randomly selected strata.

Hope this Helps!!!

6 0
3 years ago
Express 80 inches in standard notation using feet and inches.
Vladimir79 [104]

80 inches in standard notation using feet and inches would be expressed as 6 ft 8 inches by converting inches into feet and inches.

The solution to the given problem is to use some standard conversion units that are:

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Solution:

As mentioned above that one inch is equal to 0.8333 foot therefore

1 foot = 12 inches

then,

80 inches would be equal to

= \frac{80}{12} ft

= \frac{20}{3} ft

= 6ft 8 inches

= 6' 8"

Thus, 80 inches in standard notation using feet and inches would be expressed as 6 ft 8 inches by converting inches into feet and inches.

Learn more:

brainly.com/question/884268

3 0
3 years ago
Abigail bought 6/8 of a pound of turkey at the deli She used 2/4 of it to make sandwiches for lunch how much of the turkey did A
pogonyaev

Answer:

2/8

Step-by-step explanation:

I think this is subtraction (if not just tell me i'll edit)

6/8 - 2/4 = 6/8 - 4/8 = 2/8

7 0
3 years ago
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A spherical balloon has a 22-inch diameter when it's fully inflated. Half of the air is let out but remains sphere-shaped.
UNO [17]

Answer:

8.7 inches rlly hope it helps

Step-by-step explanation:

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