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vagabundo [1.1K]
3 years ago
10

When we use past simple and present perfect?

Mathematics
1 answer:
bija089 [108]3 years ago
4 0
Sentence one uses<span> the </span>simple past<span> tense. Sentence two </span>uses<span> the </span>present perfect tense<span>. “I saw the movie” and “I have seen the movie” both refer to an action that was finished in the </span>past<span>. But there is one important difference: “I saw the movie” suggests that you saw the movie at a specific time in the </span>past<span>.</span>
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For Each Data Set, Determine the median, the first and third Quartiles, and the interquartile Range.
stiks02 [169]
1. First of all arrange the data set in either ascending or descending order.
12, 19, 24, 26, 31, 38, 53.  N = 7 (number of data items)
Median position = 1/2(N + 1)th item = 1/2(7 + 1)th item = 1/2(8)th item = 4th item = 26
First quatile = 1/4(N + 1)th item = 1/4(7 + 1)th item = 1/4(8)th item = 2nd item = 19
Third quatile = 3/4(N + 1)th item = 3/4(7 + 1)th item = 3/4(8)th item = 6th item = 38
Interquatile range = Third quartile - first quatile = 38 - 19 = 19
5 0
3 years ago
Distribute. Please help asap
Sholpan [36]

Answer:

-9u^7v - 6u^5v - 21u^2v

Step-by-step explanation:

5 0
3 years ago
1/4 divides by 5/13=?
katrin2010 [14]
1/4 dividend by 5/13 is the same as
1/4 multiplied by 13/5 it’s inverse
1 x13 / 4x 5 = 13/20
8 0
3 years ago
Over the past year, your friend Maura has been saving up for an epic road trip to travel across the country this summer. Her goa
Misha Larkins [42]
<span>"Give an example of a sound financial decision Maura might make to support this goal. Why is it sound?"
<span>
</span>She could choose to carefully budget her trip and avoid overspending at all costs. This prevents going into debt. She should also save up extra money in the event of an emergency.

</span><span>Then give an example of a poor financial decision Maura might make considering her goal. Why is it a poor decision?</span><span>

Not having a plan would be a poor decision on her part. She could end up spending too much and not realize how much money she has left.


I hope I helped!
</span>
8 0
3 years ago
Screen sizes for televisions are measured by the diagonal length from one corner to the opposite corner on the other side. After
JulsSmile [24]

Answer:

<h2>18/√3ft</h2>

Step-by-step explanation:

This is a ratio problem

Step one:

Given the ratio of length:width is <em> "3 space colon space square root of 3"</em>

mathematically it is expressed as

length:width 3:√3 or 3/√3

Step two:

3:√3 or 3/√3

if the built TV has a width of 6ft let the length be x

3/√3=x/6

cross multiply we have

x√3=3*6

x√3=18

x=18/√3ft

therefore the length will be 18/√3ft

6 0
3 years ago
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