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
Paul [167]
3 years ago
11

Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AC = 20 and DC = 5, what is the length of BC? (Note: the fi

gure is not drawn to scale.) ​
Mathematics
1 answer:
11111nata11111 [884]3 years ago
4 0

Answer:

21.2 or 15 sqrt of 2 (PETHAGOREOM theorem)

Step-by-step explanation:

a^2+b^2=c^2

20^2+5^2=C^2

400+25=C^2

450=C^2

sqrt 450=

15 sqrt of 2 or 21.2

You might be interested in
35 = 1/2(x-5)(x-14) what does x equal?
Yanka [14]
The answer is x=19.
Hope it helps! (:
3 0
3 years ago
6) HELP plz ASAP the last one plz help
eduard

Answer:

12

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
There were 60 seventh grade students who signed up for soccer tryouts last year. This year, 48 seventh graders signed up for try
Lubov Fominskaja [6]

Answer:

20%

Step-by-step explanation:

(60 - 48) / 60 = 0.2    (20%)

3 0
3 years ago
Which of the following are accurate descriptions of the description below? Choose all answers that apply:
Savatey [412]

Answer:

C. None of The Above

Step-by-step explanation:

The peak is at 2 years, not 4. And there is no gap.

4 0
2 years ago
Solve 2x2 + 3x – 7 = x2 + 5x + 39 for x.
Brrunno [24]
The answer to this question is:
x = 1 + or - the square root of 47
6 0
3 years ago
Other questions:
  • there are 20 children at a library 6 of the children have an average age of five years the remaining children have an average ag
    9·1 answer
  • Select the BEST classification for π. A) irrational B) rational C) imaginary D) not real
    6·2 answers
  • What is the solution to -4x+5y=14 and 7x+3y=-1 <br>I need the answer now.
    14·2 answers
  • In attempting to solve the system of equations y = 3x - 2 and 6x - 2y = 4, John graphed the two equations on his graphing calcul
    8·1 answer
  • Help fast dont answer if you dont know it
    9·1 answer
  • HELP ASAP FOR BRAINLIEST!!
    15·1 answer
  • The high school band sold 500 tickets for a concert. The price of an adult ticket was $14.50, and the price of a student ticket
    14·1 answer
  • Incorrect 00:00 Evaluate the expression for x = 1.7. Enter your answer in the box. х2 + 3x​
    8·1 answer
  • If a = 3 and b = 2, what is the value of the expression a ⋅ b.
    12·1 answer
  • For which value(s) of x is f(x)&gt;0
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!