MATHEMATICS HIGH SCHOOL

5. A ladder leans against a building. The top of the ladder touches the building 10 feet above the ground. The foot of theladder is 4 feet from the building. Find, to the nearest degree, the angle that the ladder makes with the level ground.
(3 points)

Answers

Answer 1
Answer:

Answer:

68 degrees

Step-by-step explanation:

The ladder, the building and the ground together make up a right triangle with angle of elevation to be determined.

The side opposite this angle is 10 ft; the distance of the foot of the ladder from the building is 4 ft.  Thus,

tan x = (opp side) / (adj side) = 10/4.  Using the inverse tangent function, we find that the angle in question is

arctan (10/4) = 68 degrees

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Darrel went to the mall and spent $41. He brought several t-shirts that act cost $12 and he brought 1 pair of socks for $5. How many t-shirts did Darel buy?

Answers

Darrel bought three t-shirts seeing that 41-5=36/12=THREE


He bought three since 3 x 12$= 36$ + 5$=$41

George walks 11 mile to school. He leaves home at the same time each day, walks at a steady speed of 33 miles per hour, and arrives just as school begins. Today he was distracted by the pleasant weather and walked the first 1212 mile at a speed of only 22 miles per hour. At how many miles per hour must George run the last 1212 mile in order to arrive just as school begins today?

Answers

you divide 33/11 to get to then 1212/22 to get fifty five fifty firve minus to is fifty three your anser is fifty three

The nth term of a sequence is 10n – 8 .Find the 20th term and 50th term.

Answers

Answer:

192

492

Step-by-step explanation:

  • aₙ = 10n - 8
  • a₂₀ = 10*20 - 8 = 200 - 8 = 192
  • a₅₀ = 10*50 - 8 = 500 - 8 = 492

Find the length of the radius for this circle.(x - 3)² + (y - 5)² = 8

8
4
2√2

Answers

Answer: 2√(2)

Step-by-step explanation:

The general form of equation of a circle is given by :-

(x-a)^2+(y-b)^2=r^2 , where r is radius and (a,b) is the center of the circle.

The given equation of circle:(x - 3)^2 + (y - 5)^2 = 8

\Rightarrow\ r^2=8

Taking square root on both sides, we get

\Rightarrow\ r=√(8)=2√(2)

Hence, the length of the radius for this circle= 2√(2)
we know that the 8 represent the squared radius of the circle so to get the radius we should take the square root of 8 
the answer is √8 = 2√2

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B. x = one divided by twenty eighty2
C. -28y = x2
D. y2 = 14x

Answers

I think the best answer among the choices is B. x = one divided by twenty eighty2, hope that helps you

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Answers

Answer:

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Step-by-step explanation:

The fraction 4/7 represents the feet.

Answer:

A I’m pretty sure.

Step-by-step explanation:
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