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Ganezh [65]
3 years ago
14

Can someone help me with this question, please?

Mathematics
1 answer:
stellarik [79]3 years ago
4 0

Answer:

15 or 18

Step-by-step explanation:

the top is 20 and it is bigger than the side

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A ladder leans against the side of a house. The angle of elevation of the ladder is 68° when the bottom of the ladder is 16 it f
choli [55]

Answer:

The length of the ladder  = 6.5077 ft

Step-by-step explanation:

Given A ladder leans against the side of a house

Given the angle of elevation of the ladder is 68° when the bottom of the ladder is 16 ft from the side of the house

Let 'C' be the point of observation.

Given CA= 16 ft

 From right angle triangle

     

     

     x = 16 × cos 68°

    x = 16 × 0.4067

    x = 6.5077

  x = 6.5 ft

The length of the ladder = 6.5 ft

8 0
3 years ago
Identifying roots - Pre calculus stuff
umka2103 [35]

The answers are 0 and 2

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3 years ago
A printer is printing photos. For every 10 photos, the printer takes 2 minutes.
Doss [256]

Answer:

Just divide the numbers by 10 and then multiply the quotient by 2. hope this helped

5 0
3 years ago
Iola has $75. She buys a pair of shoes on sale for one-half off and a pair of socks for $6. She has $32 left. Which equation can
Alex777 [14]
It is the first equation. The 35 dollars she has left, plus the 6 dollars she spent on socks, plus the shoes (X) equal 75. 
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Hope this helps

3 0
3 years ago
A lake near the Arctic Circle is covered by a 222-meter-thick sheet of ice during the cold winter months. When spring arrives, t
Ivanshal [37]

S(t) = 3.82 - 0.2t


Step-by-step explanation:


After 7 weeks, the ice is 2.42 meters thick. The ice loses 0.2 meters of thickness per week; this means on the 7th week, it has lost 7(0.2) = 1.4 meters of thickness.


This means the ice started at 2.42+1.4 = 3.82 meters thick.


Our function will start at the original thickness of the ice, 3.82 meters.


Since the ice is losing thickness, we will subtract; it loses at a rate of 0.2 meters per week (t), which gives us 0.2t. This is subtracted from the original, 3.82 meters, giving us


S(t) = 3.82 - 0.2t



7 0
3 years ago
Read 2 more answers
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