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
VikaD [51]
3 years ago
9

A wheelchair ramp has a slope over 1/12. Which of the following is the angle of elevation of the ramp to the nearest tenth of a

degree. PLEASE HELP!!!
a. 3.6
b.4.8
c. 5.2
d. 6.4
Mathematics
1 answer:
kirill [66]3 years ago
6 0
Let the angle of elevation be x, then

tan x = 1/12
x = arctan (1/12) = 4.8 degrees.
You might be interested in
11. The completion of a chemical reaction is expressed by the equation y = 300 - 4x - XP, where y is
alina1380 [7]

Answer:

The reaction ca occur at 10 degree Celsius or -14 degree Celsius.                                          

Step-by-step explanation:

We are given the following in the question:

The completion of a chemical reaction is expressed by the equation

y = 300 - 4x -x^2

where y is  the number of seconds needed to complete the reaction and x is the temperature in degrees Celsius  at which the reaction occurs.

We have to find the temperature at which the reaction occurs, if the completion time of reaction is 160 seconds.

Putting y = 160

160 = 300 - 4x -x^2\\x^2 + 4x  - 140 = 0\\x^2 + 14x -10x -140 = 0\\x(x+14)-10(x+14)=0\\(x-10)(x+14) = 0\\(x-10) =0, (x+14) =0\\x = 10, x = -14

Thus, the reaction ca occur at 10 degree Celsius or -14 degree Celsius.

5 0
2 years ago
Marty started a lawn mowing business. He kept track of his expenses and earnings in a table.
kolezko [41]
40+35.5 = 75.5
49.99 + 8.79 = 58.78
$16.72 profit


8 0
3 years ago
Read 2 more answers
Jimmy has $88 in his piggy bank. He is saving his
skelet666 [1.2K]

Answer:

88/15=5.86666666667

Step-by-step explanation:

5.86666666667 because it is

6 0
2 years ago
A group of neighbors planted basil, thyme, rosemary, and oregano in a community garden. They planted the same number of each her
taurus [48]

Answer:

13

Step-by-step explanation:

You have to divide 52 by 4 as there are 4 types of plants. It says that they were divided equally and that there is four of them so 52 divided by 4 is 13.

8 0
2 years ago
Read 2 more answers
What does <br> f(x) – g(x) =
andrezito [222]

Answer:

(f - g) (x)

Step-by-step explanation:

Since (x) is common between them, you can bring it out. for example,

f(x) = x +1

g(x) = 2x + 3

f(x) - g(x) = x + 1 - 2x + 3

= -x + 4

(f - g) (x) = x + 1 - 2x + 3

= -x + 4

3 0
3 years ago
Read 2 more answers
Other questions:
  • Where is a diameter located​
    13·1 answer
  • In science class; abigail's frog weighed 0.88 kilogram. what is the value of the digit in the tenths
    6·1 answer
  • Explain how can 9×1/4=2 1/2
    5·1 answer
  • Weekly math review 3:3
    9·1 answer
  • A truck covers a distance of 150 km at a certain average speed and then covers another 200 km at an average speed which is 20 km
    12·1 answer
  • Which of the following scenarios describe the surface area of a figure? Select all that apply.
    8·2 answers
  • What are the coordinates for this point? <br><br><br> Point D
    11·2 answers
  • Area = ???????????????
    12·1 answer
  • Sound can travel incredibly quickly: 1 mile in about 1/12
    8·2 answers
  • I'm having trouble. Can someone answer?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!