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notsponge [240]
3 years ago
13

Someone know the answer ??If you know , Can you help me, please ???

Mathematics
1 answer:
Pie3 years ago
7 0
You do 80km/1hr = n/3.75

Use this proportion to find that n=300

So, he drives 800km.
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Last week, a coral reef grew 19.8mm taller. How much did it grow in meters?
Oliga [24]

Answer:

Last week the coral reef grew .0196m

Step-by-step explanation:

So it's hard to explain but simply Milli witch is the symbol "m" is a unit prefix in the metric system denoting a factor of one thousandth (10 −3).  So 19.6mm is 19.6*10^-3m.  in other words 19.6 times 10^-3m

hope this helps sorry it's so complicated :/

5 0
3 years ago
Read 2 more answers
Which pairs of rectangles are similar polygons?<br><br> Select each correct answer.
oee [108]
The corrects answers are B and D for this one. 

Since you divide the same side for both the the rectangles on both parts and if the division statements are equaled, then they are similar. 

For example; 

Answer B. 
50 / 10 = 5 
and 
30 / 6 = 5 

Answer D. 
7.5 / 2.5 = 3
and 
4.5 / 1.5 = 3 

Since they both equal the same for both of the rectangles for the answers individually, they are similar polygon rectangles. 

Hope this helps! 

<em>~ ShadowXReaper069</em><em />
8 0
3 years ago
Read 2 more answers
Which graphs do not show a constant rate of change? Check all that apply.
lisov135 [29]

Answer:

a horizontal line is graphed

Step-by-step explanation:

It does not change it will always stay at the same y but just different x.
The rate of change/slope is the change in y divided by a corresponding change in x.

3 0
2 years ago
Read 2 more answers
A tree casts a shadow 21 ft long while Enzo who is 5 ft tall casts a shadow 6 ft long
adelina 88 [10]
Are you asking for the height of the tree? If so, the answer is 17.5 ft.
Be more precise next time, and I hope this helps.
5 0
3 years ago
Which explanation best describes the answer to this problem?
Triss [41]
Your answer is D                   hope this helped
3 0
3 years ago
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