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LuckyWell [14K]
3 years ago
14

Write numerical expression and simplify; difference between 6 and -10

Mathematics
1 answer:
pychu [463]3 years ago
3 0
" the difference " means subtract

the difference between 6 and -10...
6 - (-10) =
6 + 10 =
16 <===
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4/1.2 = 3.333333333 is the height of each. So 3 boxes would be, 3.333333333 x 3 = 10. The total height of the 3 boxes = 10.
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2 years ago
Mark Ran 15 miles in 135 minutes. Assume Mark maintains a constant speed. What's the number of minutes it takes to run 1 mile
Mrac [35]
The answer is 9

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4 0
3 years ago
 please answer very sorry thats all the points i have left
aksik [14]

In order for the mode to be 6, there must be more of them than any other number. In order for the mean to be 3.5, most of the distribution must lie at 3 or below to balance the large number of 6s. For the median to be 3, there must be as many scores at or above 3 as at or below 3. Thus, we choose to have most of the distribution with values 1, 2, 3 and only enough 6s to make that be the mode.

8 0
3 years ago
A political campaign wants to estimate the number of adult residents who voted in the last city election. Answer the following.
Svetradugi [14.3K]

Using sampling concepts, it is found that:

a) The best method is: 25 adult residents are randomly selected from the city;

b) The estimate is that 11,536 adults voted in the election.

<h3>What is sampling?</h3>

It is a common statistics practice, when we want to study something from a population, we find a sample of this population, which is a group containing elements of a population. A sample has to be representative of the population, that is, it has to involve all segments of the population.

In this problem, the sample will be representative if all adults, no matter if senior or not, homeowners or not are represented, hence the best method is:

25 adult residents are randomly selected from the city;

The estimate of the number of adults that voted is:

14/25 x 20,600 = 11,536.

More can be learned about sampling concepts at brainly.com/question/25122507

#SPJ1

5 0
1 year ago
PLEASE HELP!!!!! WORTH 50 POINTS! PLEASE ANSWER ALL QUESTIONS (6,7,8,9)
iogann1982 [59]

Answer:

6. Additional information is required on the two triangles

7. The pair of triangles are similar by SAS similarity postulate

8. Yes, by triangle proportionality theorem

9. DE = 9

Step-by-step explanation:

When two or more triangles are similar, the ratio of the corresponding sides of both triangles is constant

6. From the given figure, more information is required on the two triangles

However, whereby the side with length 10 is parallel to the corresponding side on the other triangle, then the alternate angles formed by the transversal to the two parallel lines are equal and the two triangles are similar by Angle Angle, AA, similarity postulate

7. From the given triangles, the ratio of the corresponding sides relative to the given included angles are;

18/45 and 10/25

18/45 = 2/5

10/25 = 2/5

Therefore, given that two pair of corresponding sides have the same included angle and that the two included corresponding sides of the of the two triangles are proportional, then the two triangles are similar by the Side Angle Side SAS similarity postulate

8. By triangle proportionality theorem, we have;

If \overline{MN} ║ \overline{KL}, then we have;

3/6 = 4/8 = 2

∴  \overline{MN} ║ \overline{KL}

9. By triangle proportionality theorem, where \overline{BE} ║ \overline{CD}, we have;

12/20 = DE/15

∴ DE = 15 × 12/20 = 9

DE = 9

7 0
2 years ago
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