1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lesechka [4]
3 years ago
11

A 20 ft ladder reaches a window 18 ft high. How far is the foot of the ladder from the base of the building?

Mathematics
1 answer:
zhenek [66]3 years ago
5 0
Pythagoran theorem

length of ladder=hyptonuse
height of window is one leg
distance base is fram building is other leg
a²+b²=c²
c=hyp
a and b are legs

18²+b²=20²
324+b²=400
b²=76
b=2√19ft or aprox8.7178ft
You might be interested in
A cone has a volume of 60pie cubic feet. If the radius is 2 feet what is the height of the cone
CaHeK987 [17]

Answer:h=60×2

=120

Step-by-step explanation:

3 0
3 years ago
Evaluate the expression when y = 4. 5 y 8
Elden [556K]
I suppose you mean 5y^8.
When y = 4, we have,
5(4)^8 = 5 x 65,536 = 327,680
7 0
3 years ago
Michael will be running a 15 mile road race this weekend how many feet will he run
sergij07 [2.7K]

Answer:

79,200

Step-by-step explanation:

There are 5280 feet in 1 mile, then you just multiply 5280 by the number of miles (15). So 5280 x 15 = 79,200

5 0
3 years ago
Read 2 more answers
Which graph is the graph of the solution set?<br>y&lt;2<br>y&gt; -3​
Yanka [14]

Answer:

Region between two horizontal lines: y = -3 and y = 2

Both lines should be dotted

3 0
3 years ago
2x2 - 5x + 7 = 0. Find the discriminant.
likoan [24]
The discriminant is -31
7 0
3 years ago
Other questions:
  • Find 230 percent of 46
    10·1 answer
  • Set up the equations to determine x and y.. help please
    6·1 answer
  • Factor completely 12a^3d^2 – 6ad^3
    11·1 answer
  • Which statement is correct?
    11·1 answer
  • A total of 12 runners complete in a race. The first three runners to cross the finish line will win medals. and how many differe
    14·1 answer
  • Opposite reciprocal of -8/3
    7·1 answer
  • Help lord mercyyyy ‍♂️
    11·2 answers
  • A cereal manufacturer has a tolerance of 0.75 oz for a box of cereal that is supposed to weigh 20 oz. Determine the compound ine
    15·1 answer
  • Radio waves have the longest wavelength. If a particular radio wave is 1km long with a speed of
    8·1 answer
  • Can someone help me with this? I don't understand it.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!