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
TiliK225 [7]
3 years ago
13

Elliot is standing at the top of a store escalator that leads to the ground floor below. The angle of depression from the top of

the escalator to the floor is 42.51 degree, and the escalator is 16 feet long. How far the top of the escalator from the ground floor? Round your answer to the nearest foot.
A. 41 feet
B. 17 feet
C. 12 feet
D. 11 feet
Mathematics
2 answers:
N76 [4]3 years ago
7 0

Answer:

The answer is 11

Step-by-step explanation:

<em />

<em />

Rus_ich [418]3 years ago
5 0

Answer:

11

Step-by-step explanation:

You might be interested in
A water balloon is thrown out of a window 96 feet above the ground. The balloon is traveling downward at 16 feet per second init
gulaghasi [49]
It hits the ground at h=0

0=-16t^2-16t+96
undistribute -16
0=-16(t^2+t-6)
factor
0=-16(t-2)(t+3)
set to zero
0=t-2
2=t

t+3=0
t=-3, nope, we can't have negative time

at t=2, or 2 seconds
7 0
3 years ago
Read 2 more answers
Solve for x: log2(8)=x
Kitty [74]
X=16log i’m guessing not sure:)
4 0
3 years ago
Each gallon of paint covers 400 square feet. i have to paint one side of a wall that is 8 meters tall and 40 meters long. if a f
tresset_1 [31]
1. You have that:
 
 - Each gallon of paint covers 400 ft²<span>.
 - One side of a wall must be painted and its dimensions are :is 8 meters tall and 40 meters long.
 
 1 ft=0.3048 m
 1 ft</span>²=(0.3048 m)²=0.09290 m²
 
 2. Each gallon of paint covers 400 ft<span>², then:
</span> 
 400 ft²x<span>0.09290=37.16 m</span>²
 
 3. The area of one side of the wall is:
 
 A=8 mx40 m
 A=320 m²
 
 4. Therefore, you have:
 
 1 gallon-----37.16 m²
             x-----320 m²
 
 x=320x1/37.16
 x=8.61 gallons
 x≈9 gallons
 
 The answer is: 9 gallons
 
6 0
3 years ago
Find the second derivative of 2x^3-3y^2=8​
Umnica [9.8K]

Answer:

\frac{d^2y}{dx^2}=\frac{x(2y-x^3)}{y^3}

Step-by-step explanation:

<u>Find the first implicit derivative using implicit differentiation</u>

<u />2x^3-3y^2=8\\\\6x^2-6y\frac{dy}{dx}=0\\ \\-6y\frac{dy}{dx}=-6x^2\\ \\\frac{dy}{dx}=\frac{x^2}{y}

<u>Use the substitution of dy/dx to find the second derivative (d²y/dx²)</u>

<u />\frac{d^2y}{dx^2}=\frac{(y)(2x)-(x^2)(\frac{dy}{dx})}{y^2}\\ \\\frac{d^2y}{dx^2}=\frac{2xy-(x^2)(\frac{x^2}{y})}{y^2}\\\\\frac{d^2y}{dx^2}=\frac{2xy-\frac{x^4}{y}}{y^2}\\\\\frac{d^2y}{dx^2}=\frac{x(2y-x^3)}{y^3}

5 0
2 years ago
Type the numerical answer ONLY. (no spaces)
Fantom [35]

Answer:

98

Step-by-step explanation:

Mathematically, when we add all the angles of a triangle, we get 180

Thus;

x + 1 + 2x-2+ 3x-5 = 180

6x-6 = 180

6x = 186

x = 186/6

x = 31

so the measure of the biggest angle is 3x -5

= 3(31) + 5 = 93 + 5 = 98

7 0
3 years ago
Other questions:
  • Which of the following integers is least?
    6·2 answers
  • ? Nancy decided to take a cab instead of the bus for an 8-mile trip. What is the difference between the bus fare and the cab far
    5·1 answer
  • A sports car traveled a distance of 312 miles in 6 hours. Traveling at the same speed, what distance would this sports car trave
    12·2 answers
  • What is 17/6 as a mixed number
    9·2 answers
  • What are the first four terms in the multiplication, or geometric, pattern in which the first term is 7 and then each term is mu
    6·1 answer
  • (4,4) and (-2,-2) round to the nearest tenth
    7·1 answer
  • Hi.., I hope your having a nice day :)) ... but I’m not to good with percents so I really need help on this question ... Thanks!
    6·2 answers
  • PLEASE HELP IT'S TIMED<br> Order from least to greatest 0, -1.9, -1 4/5, -1/3, and 0.25
    6·2 answers
  • Help me plz branniest to whoever right
    10·1 answer
  • Please help 10 points and you get brainiest if you get it right.<br> look at the pic below
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!