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
Westkost [7]
2 years ago
8

Clarissa (the surveyor from our book) is at home and needs to figure out how tall her wall is in order to replace one of the lig

hts. She places the mirror on the ground 27 feet from the wall. Clarissa is 9 feet from the mirror, and Clarissa's eyes are 6 feet from the ground. ​
Mathematics
1 answer:
Archy [21]2 years ago
8 0

Answer:

The height of the wall is 18 ft.

Step-by-step explanation:

I have taken a look at the question, and will label the diagram accordingly. Check the attachment.

We are asked to calculate the height of the wall. Well, the incidence ray is equal to the reflected ray, so therefore by AA we have similar triangles. Setting up a proportion to determine the height of the wall:

9/6 = 27/x [where x = height of the wall]

x = 27*6/9 = 18 ft.

You might be interested in
Jane and sali cycled along the same 63 km route.
Alina [70]

Answer:

<em>Sali's speed was 18.75 km/h.</em>

Step-by-step explanation:

Jane took 3.5 hours to cycle the 63 km.

As,  Speed= \frac{Distance}{Time} , so the speed of Jane will be:  \frac{63}{3.5} km/h = 18 km/h

Suppose, the speed of Sali is  x km/h

Sali caught up with Jane when they had both cycled 30 km.

So, <u>the time required for Jane to cycle 30 km</u> = \frac{30}{18}=\frac{5}{3} hours and <u>the time required for Sali to cycle 30 km</u>  =\frac{30}{x} hours

Given that, Sali started to cycle 4 minutes or (\frac{4}{60}) or (\frac{1}{15}) hours after Jane started to cycle. So, the equation will be.......

\frac{5}{3}-\frac{30}{x}= \frac{1}{15}\\ \\ \frac{30}{x}= \frac{5}{3}-\frac{1}{15}\\ \\ \frac{30}{x}= \frac{24}{15}\\ \\ 24x=450\\ \\ x= \frac{450}{24}= 18.75

Thus, the speed of Sali was 18.75 km/h.

8 0
2 years ago
CAN SOMEONE PLEASE HELP ME!!!!!!!!!
wlad13 [49]

Answer:

12(m +1) > 18m - 3

12m + 12 > 18m - 3

12+3 > 18m - 12m

15 > 6 m.

m < 15/6

m < 2.5

4th option is correct.

7 0
3 years ago
Read 2 more answers
The figure has an area of 42 yd2. Which equation can be used to find the value of x?
aleksklad [387]
Don’t click on the file they can get your ip address.
8 0
3 years ago
A regular pentagon has an exterior angle with a measure of 20 degrees find number of sides
Harlamova29_29 [7]

ans: there are 5 sides

pentagon is a five sided polygon

8 0
3 years ago
What is 1.995 times 10 to the negative 23
DaniilM [7]
When you say to the -23 do you mean  to the power of?
8 0
3 years ago
Other questions:
  • Michael pays $30 to enter a state fair, plus $4 for each ride. Which of the following equations represents his total cost? A. y=
    13·2 answers
  • What are two objects that weigh less than 1 ounce? What are two objects that weigh more than 1 ton?
    14·2 answers
  • Pls pls pls help me i would appreciate if u help me
    15·2 answers
  • X*y=3xy-2<br> X*2=5n. What is the possible value of X
    13·1 answer
  • What is the value of x in the equation -2/3 x + 9 = 4/3 x - 3?​
    11·2 answers
  • What equation is equal to 8-2x=12? <br> A)2x-8=-12<br> B)2x-8=12<br> C)x-4=6<br> D)2x=20
    8·1 answer
  • Solve for a<br> a +(-5) = -12<br> O a=-17<br> O a= -7<br> O a = 7<br> O a = 17
    8·2 answers
  • For each ordered pair, solve the percent problems to find the coordinates. (x is 110% of 10 y% of 50 is 3.5).
    6·1 answer
  • Find the mean of each data set.<br> 1.9, 10, 11, 16, 12, 12,14
    5·2 answers
  • Help pleaseeeeeeeeeeeee
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!