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
lorasvet [3.4K]
3 years ago
8

A ladder is 12 metres long . It leans against a wall with one end on the ground 7 metres from the wall. The other end just reach

es a windowsill. Calculate the height of the windowsill above the ground.
i need an explanation please...
Mathematics
1 answer:
MissTica3 years ago
6 0

Answer:

window sill height =9.75 meters

Step-by-step explanation:

Ladder^2=height^2+length^2

12^2=height^2+7^2

144=height^2+49

height^2=144-49=95

height=9.75

You might be interested in
To represent the number of squares after steps, Diego and Jada wrote different equations. Diego wrote the equation f(n)= (n+1) 2
vampirchik [111]

Answer:

Diego is correct

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Simplify <br> 2.5x+0.1x-0.01x=
Pavlova-9 [17]
PEMDAS
2.5x + 0.1x = 2.6x
2.6x - 0.01x = 2.59x
6 0
3 years ago
What are the solutions of the equation?<br> X - 10=3
Nookie1986 [14]

Answer: X = 13

Step-by-step explanation:

10 + 3 = 13

13 - 10 = 3

4 0
2 years ago
Find the slope of the line.<br> A(-2, 4)<br> B(3, -2)
Mice21 [21]

Answer:

-6/5

Step-by-step explanation:

8 0
2 years ago
A student studies the graph shown below and determines that the reflection of point a over the x - axis will result in a point a
Molodets [167]

The student is incorrect because if they were to reflect point A over the X-axis, this would mean they are moving it from its current quadrant to the one below. In that quadrant, the Y coordinate will be negative. So it couldn't possibly (6,3), because the 3 isn't negative.

5 0
3 years ago
Other questions:
  • Please Help
    15·1 answer
  • Which formula can be used to describe the sequence?<br> *<br> *)=<br> )<br> -*
    14·1 answer
  • Find the cos sin and tan
    9·1 answer
  • In rectangle QRST, QS = x2 + 6x, and RT = 8x + 3. Find the length of QS.
    15·1 answer
  • Number 6, part B. i don't understand
    5·1 answer
  • 1(10-4•4) 20 divided by -2
    10·1 answer
  • Simplify the trigonometric expression. <br> Sinx Tanx/Cosx
    5·1 answer
  • What is the sum of 2/5 and 1/4
    9·2 answers
  • Six students are working to simplify the expression shown.
    15·1 answer
  • i am part of a whole i am less than 1/2 but greater than four tents i am a decimal with the digit two in my hundreds place what
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!