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inysia [295]
3 years ago
6

There are boys and girls in a class. if the number of girls is multiplied by two and added to the number of boys in the class, t

he sum is 30. if the number of girls is multiplied by two and the number of boys in the class is subtracted from it, the result is 6. how many boys are in the class?

Mathematics
1 answer:
topjm [15]3 years ago
5 0
Find the attachment below........

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What are the answers to the bottom two?
Ira Lisetskai [31]

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)

3 0
3 years ago
One of Alberto's zebra danios is 4/3 the length of one of his fancy guppies. Which fish is longer? Explain how you know.
kompoz [17]
The zebra danios are longer because if they are 4/3 the lenth bigger they would be the longest.
7 0
3 years ago
Determine which type of error is most likely to arise from the following situations. a 1. the time in which individuals are cont
Allisa [31]

Answer:

Determination of type of error arising from the situations

Situation       Type of Error

1.                    Nonresponse

2.                   Bad sampling method

3.                   Question wording

4.                   Undercoverage

Step-by-step explanation:

Types of errors:

a. question wording means that the manner a question is worded elicits some particular responses, which may not accurately reflect reality.

b. undercoverage occurs when some elements of the target population is not represented on the survey frame.

c. processing error arises from data processing

d. bad sampling method is caused by the voluntariness of those who choose to respond.

e. response error is caused by a questionnaire that requires framing improvements, misinterpretation of questions by interviewers or respondents, and errors in respondents' statements.

f. nonresponse error arises as a result of incomplete information or partial response.

g. random sampling error arises from the limited sample size when compared with the population size.

4 0
2 years ago
16) The actual distance from Juan's home to Lake Mimo is 120 miles. The distance on a map is 2.5 inches. What scale could have b
Grace [21]

Answer: 1/48

Step-by-step explanation:

Write 2.5/120 as a fraction , then rewrite it as 25/1200 simplify and get 1/48

Hope this helps!

7 0
2 years ago
ifying an Error Examine the work shown. Explain the error and find the correct result. 2(4 – 16) – (–30) 2(–12) – (–30) 24 – (–3
Dvinal [7]

Answer:

The error is in the middle: 2(-12) = -24 not 24.

Step-by-step explanation:

7 0
2 years ago
Read 3 more answers
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