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Annette [7]
2 years ago
9

Select the correct values.

Mathematics
2 answers:
Dovator [93]2 years ago
6 0
The median is 16.5 because when you see that box it means that it’s divided into the lower quartile and upper quartile so the middle part is the median
The lower quartile starts at 15.5 because it’s the box closer to the beginning of the number line
Airida [17]2 years ago
4 0

Answer:

Median - 16.5

Lower quartile - 15.5

hope this helps!

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a student earned a grade of 80% on a math test that had 25 problems. how many problems on this test did the student answer corre
Mamont248 [21]
80% of 25
percent means parts out of 100
'of' means multiply
80% of 25 means
80/100 times 25=40/50 times 25=20/25 times 25=20

answer is 20 problems
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2 years ago
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Please help answer this :)
jolli1 [7]

Answer:

ok

Step-by-step explanation:

yeah

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What is -18 + (-45) + 12
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Which inequality is represented by this graph?<br><br> (0, 1)<br> (3, 0)
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2 years ago
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Zaheer, a boy of height 1.5m was watching the entire programme. Initially he observed the top of theflagpoleat an angle of eleva
torisob [31]

Answer:

h = 15.163\ meters

Step-by-step explanation:

(Assuming the correct angles are 30° and 45°)

We can use the tangent relation of the angle of elevation to find two equations, then we can use these equations to find the height of the pole.

Let's call the initial distance of the boy to the pole 'x'.

Then, with an angle of elevation of 30°, the opposite side to this angle is the height of the pole (let's call this 'h') minus the height of the boy, and the adjacent side to the angle is the distance x:

tan(30) = (h - 1.5) / x

Then, with an angle of elevation of 45°, the opposite side to this angle is still the height of the pole minus the height of the boy, and the adjacent side to the angle is the distance x minus 10:

tan(45) = (h - 1.5) / (x - 10)

So rewriting both equations using the tangents values, we have that:

0.5774 = (h - 1.5) / x

1 = (h - 1.5) / (x - 10) \rightarrow (h - 1.5) = (x - 10)

From the first equation, we have that:

x = (h - 1.5) / 0.5774

Using this value of x in the second equation, we have that:

h - 1.5 =  \frac{ (h - 1.5) }{0.5774} - 10

h + 8.5 =  \frac{ (h - 1.5) }{0.5774}

0.5774h + 4.9079 = h - 1.5

0.4226h = 6.4079

h = 15.163\ meters

5 0
3 years ago
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