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den301095 [7]
3 years ago
5

Answer this question

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
4 0

Answer:

u hv to shade 3 rectangles

Step-by-step explanation:

\frac{1.2}{4}  = 0.3 \\   \\ 0.3 =  \frac{3}{10}

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In △ABC point D is the midpoint of AB , point E is the midpoint of BC , and point F is the midpoint of BE . Find area of △ABC, i
xz_007 [3.2K]

I did this   manually on  some notepaper but my scanner is not working.

The answer is 72 cm^2

3 0
3 years ago
Why is my answer wrong ?
kicyunya [14]
Because it says it’s looking for the ESTIMATED sum. Round your answer to the nearest tenth, and that would be an estimated answer.
4 0
2 years ago
Read 2 more answers
Natalie saved $20 when she purchased a new phone.The phone originally cost $125.What percent savings did Natalie receive on the
maw [93]

  x         20
------ = -------
100      125

(The percentage x saved is equal to 20 out of 120) Cross multiply:
125x = 20(100)
125x = 2000
Divide both sides by 125
x = 16%

3 0
2 years ago
Read 2 more answers
What is the value of x? Enter your answer in the box. x =
11111nata11111 [884]

Answer:

<h2><u><em>55°</em></u></h2>

Step-by-step explanation:

the sum of the interior angles of a triangles is 180°

so

180 = 75 + 50 + x

x = 180 - 75 - 50

x = 55°

-----------------------

check

55 + 75 + 50 = 180°

the answer is good

7 0
2 years ago
2. State if the following is an observational study, a survey, or an experiment, and give a reason for your answer.
omeli [17]

Answer:

If Ken wants to compare how many hours a week sixth graders spend doing mathematics homework to how many hours a week that eleventh graders spend doing mathematics  homework and randomly selects ten sixth graders and ten eleventh graders and records how many hours each student spent on mathematics homework in a certain week then this is an observational study.

Step-by-step explanation:

An observational study depends on the data set statistical analysis, researchers do not manipulate any variable to reach conclusions. They design question-measurement to collect information without trying to affect their answers.

A survey is part of an observational study  assessed on a sample population through controlled sample questions to collect specific data asking determined people and the response variable is the number of correct answers collected which are not influenced either.

In a controlled experiment, the researcher manipulates the sample population grouping people to assign them with some treatment or to do an specific task. Different groups are formed and assigned with different tasks to get the information wanted or to know proportion of the population in certain task.

8 0
3 years ago
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