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
seropon [69]
3 years ago
14

suppose a ladder 20 feet long is placed against a vertical wall 20 feet high. How far would the top of the ladder move down the

wall by pulling out the bottom of the ladder 5 feet?
Mathematics
1 answer:
Taya2010 [7]3 years ago
5 0
You can use the pythagoras theorem.

20^2=5^2+x^2

x^2=400-25
x^2=375

x = 19.36

20-19.36=0.64 feet

The answer is 0.64 feet :)
You might be interested in
(02.01 LC)
horsena [70]

Answer:

B. Number the students on the school roster. Use a table of random numbers to choose 160  students from this roster for the survey.

Step-by-step explanation:

4 0
3 years ago
There are 52 cards in a deck. There are 4 eights and 4 nines. What is the probability that if you cut the deck, you'll get an ei
Sever21 [200]
There is a 3.25% chance the card will either be an 8 or a 9. Hope this helps. :)
7 0
3 years ago
What is the product of? (7x^2)(2x^3+5)(x^2-4x-9)
pav-90 [236]
(7x^{2})(2x^{3} +5)( x^{2} -4x-9)

(14 x^{5} +35 x^{2})( x^{2} -4x-9)
=14 x^{7} -56 x^{6}-126 x^{5}+35 x^{4}-140 x^{3}-315 x^{2}
6 0
3 years ago
Read 2 more answers
If one side of a square notebook measures 20 cm, what is the area of the front cover of the notebook?
jarptica [38.1K]

Answer:

400 cm squared

Step-by-step explanation:

Since a square has all equal sides, this would mean the the all the other sides are 20 as well. To get the area, you would just multiply 20 by 20 to get 400. :)

6 0
3 years ago
Read 2 more answers
Which equation results from adding the equations in this system?
Diano4ka-milaya [45]

Answer:

  • D. - 5x = - 10

Step-by-step explanation:

<u>Given equations:</u>

  • -8x+8y = 8
  • 3x-8y=-18

<u>Add together:</u>

  • -8x + 8y + 3x - 8y = 8 - 18
  • - 5x = - 10

Correct option is D

7 0
3 years ago
Other questions:
  • 30 children are going on a trip. It costs £5 including lunch. Some children take their own packed lunch. They pay only £3.the 30
    8·1 answer
  • 2x+x(x+6)<br> Solve to the lowest equation/number
    12·2 answers
  • Janice published a novel. Last month the book sold 1326 copies, earning Janice a total of $1579.76. This month the book sold 144
    14·1 answer
  • mrs Hills es 4 años mayor que el doble de la edad de su hijo. si la suma de sus edades es 50, ¿cuántos años tiene su hijo?
    13·2 answers
  • Kris is setting up tables for an awards banquet. Each table seats 16 people. What is the fewest number of tables
    8·2 answers
  • Solve for r.<br> r/-4 = 250
    7·2 answers
  • Answer if you can please ​
    6·1 answer
  • 2) -88, 93, 4, 91, -15, 6
    6·1 answer
  • Ivian scores 58 out of 80 marks in a maths test what is his score as a percentage
    11·1 answer
  • The SI unit for measuring mass is the<br><br> Meter<br> Gram<br> Liter
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!