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
Anna [14]
3 years ago
9

Sally has Christmas lights the roof is 16 feet high the ladder is 20 ft long how far away is letter from wall

Mathematics
1 answer:
lesantik [10]3 years ago
4 0
It should be 12 ft away from the wall. Not 4 ft. You do not just subtract the difference because as you pull it away from the wall, the ladder is mostly moving horizontally with only a small vertical change.

You can use Pythagorean Theorem to find the answer. Think of the ladder as the hypotenuse of a right triangle with the wall and the ground as the legs.

a^2 + b^2 = c^2

16^2 + b^2 = 20^2

b^2 = 20^2 - 16^2

b^2 = 144

b = 12 ft






You might be interested in
The selling price of an item is $600. It is marked down by 30%, but this sale price is still marked up
Norma-Jean [14]

Answer:

7000

Step-by-step explanation:

divide 600 and 30 then multiply that answer by 350

7 0
3 years ago
Given two parallel lines cut by a transversal same side interior angles are congruent
lozanna [386]
False. The postulate states: If two <span> parallel</span> lines are cut by a transversal, the interior angles on the same side of the transversal are supplementary.
5 0
3 years ago
Ethan writes 2/3 of a page in 5/12 of a minute. How much time does it take him to write one page
Nataliya [291]
2/3 of a page in 5/12 of a minute

Multiply both fractions by 3/2

\frac{2}{3} \times \frac{3}{2} = 1

\frac{5}{12} \times \frac{3}{2} = \frac{5}{4} \times \frac{1}{2}=\frac{5}{8}

So, Ethan can read 1 page in 5/8 of a minute.
8 0
3 years ago
At a fundraiser, students sold chocolate bars with almonds and chocolate bars with walnuts. The number of chocolate bars with al
BabaBlast [244]

Answer:

Total number chocolate bars with almonds sold were approximately 66.34 and total number chocolate bars with walnuts sold were approximately 34.67.

Step-by-step explanation:

Let number chocolate bars with almonds be x

Also let number chocolate bars with walnuts be y

Given:

Number of chocolate bars with almonds that were sold one weekend was 3 less than 2 times the number of chocolate bars with walnuts.

Framing the above sentence in equation form we get;

x=2y -3

Also given:

The number of chocolate bars with walnuts plus 4 times the number of chocolate bars with almonds was 300.

Framing the above sentence in equation form we get;

4x+y=300

Now Substituting the value of x in above equation we get;

4x+y=300\\4(2y-3)+y=300\\8y-12+y=300\\9y=300+12\\9y=312\\\\y=\frac{312}{9} \approx 34.67

Now we will substitute the value of y in equation x=2y -3 we get;

x=2y-3 = 2\times34.67 -3 = 69.34-3\approx66.34

Hence, Total number chocolate bars with almonds sold were approximately 66.34 and total number chocolate bars with walnuts sold were approximately 34.67.

6 0
3 years ago
If a triangle has sides 4, 6 and 10 and a 2nd similar triangle has a perimeter of 60, find the 2nd largest side of the 2nd trian
algol13
The first triangle has a perimeter of 4+6+10 = 20.

The 2nd longest side is 6/20 = 3/10 of the perimeter. In the larger triangle, the 2nd longest side will have length (3/10)*60 = 18.


_____
These side lengths mean the "triangle" is a line segment. That is, it has zero area.
8 0
3 years ago
Other questions:
  • Use the distributive property to remove the parentheses. Simplify your answer as much as possible.
    13·2 answers
  • PLEASE ANSWER PICTURE SHOWNNN
    11·2 answers
  • Is the following number rational or irrational?
    8·2 answers
  • What is 4.95 rounded to the nearest tenths
    15·1 answer
  • The math 1 test has 20 questions worth a total of 100 points. The test consists of multiple choice questions worth 4 points each
    10·1 answer
  • Need help ASAP with the correct answer!!!!!!
    14·1 answer
  • Plz help! 20 points, correct answer will be marked brainliest :)
    10·1 answer
  • Solve for x + (1/x): <br><br>3x + (2/x) - 4 = 2(x+9) - (7 - (1/x))
    12·1 answer
  • Evaluate (16+a)+ 6b divided by 3 when a = 2 and b = 3
    15·1 answer
  • ........................................​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!