abraralzaher
15.04.2021 •
Mathematics
Out of 400 students, 35% say apples are their favorite fruit. How many students say apples are NOT their favorite fruit?
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Ответ:
its 140
Step-by-step explanation:
Ответ:
260 Students
Step-by-step explanation:
30% of 400= 140
400-140=260
plz crown
Ответ:
The building is approximately 39 m high.
Step-by-step explanation:
As seen in the diagram attached, a triangle can be formed between the boy, the top of the building, and the lateral distance between the boy and the building.
We can now use trigonometric laws to find the distance AC between the boy's head and the top of the building.
tan 40 = AC/37.5
AC = 37.5 X tan 40 = 31.46m
We have just obtained the distance from the boy's head to the building top.
To get the true height of the building, we have to add the height of the platform the boy is standing on to the value just found.
7.5m + 31.46m = 39m