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25.01.2021 •
Mathematics
LESSON
Solve the problems.
Amanda has a board that is 7 feet long. How many-foot sections can she cut
from this board?
A 28 sections
B
11 sections
С
1 sections
D section
2 A restaurant has tray of baked pasta left over after dinner. If 6 workers share the
rombinins -hindrint2
L
P!
Solved
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Ответ:
Ответ:
Step-by-step explanation:
"A fifteen-foot ladder leans against a wall at 52°."
Do you mean that the ladder makes a 52° angle with the wall?
x = distance between foot of ladder and base of wall
sin(52°) = x/15
x = 15sin(52°) ≅ 11.82 ft
Or, did you meant that the ladder makes a 52° angle with the ground?
cos(52°) = x/15
x = 15cos(52°) ≅ 9.23 ft