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
Oxana [17]
2 years ago
7

What are the coordinates of the shadow cast on the xy plane by a small object placed at the point (10,7,20) assuming that the su

n's rays are parallel to the vector (5,3,-2)?
Mathematics
1 answer:
BigorU [14]2 years ago
3 0
We are given with two coordinates
(10, 7, 20) and
(5, 3, -2)
Which can be used to create a linear equation represented by vectors
<x, y, z> = <x0, y0, z0> + t<mx, my, mz>
We can get the slope by
<mx, my, mz> = <10, 7, 20> - <5, 3, -2> = <5, 4, 22>

 <x, y, z> = <x0, y0, z0> + t<5, 4, 22>
At z = 0, and using the coordinates of either of the two points, the coordinates o the shadow of the point can be determined.
You might be interested in
Which word describes the slope of the line?
Aneli [31]
B) negative. Is the answer
6 0
3 years ago
Read 2 more answers
You buy a car for $25,000. It depreciates at the rate of 23% per year.
Juliette [100K]

The worth of the car in 10 years is $1,831.67 using an exponential equation approach.

What is an exponential equation?

An exponential equation is the one with exponents such X^3(the 3 is the exponent)

The exponential equation required here is the one where the future value would be lower than current value because the car reduces in value year-in-year-out.

FV=PV*(1-r)^N

FV=future worth of the car

PV=today's value=$25,000

r=depreciation rate=-23%

N=number of years=10

The fact that r is negative means the car is depreciating not appreciating.

FV=$25,000*(1-23%)^10

FV=$1,831.67

Find further explanation on exponential equation below in the link:

brainly.com/question/11832081

#SPJ1

7 0
1 year ago
I need help solving 2x+7=x+3
mart [117]
2x+7=x+3

2x+7=3
-×

x+7=3
-7 -7

x=-4
8 0
3 years ago
Read 2 more answers
Uhm helppp??????? :p
Anit [1.1K]

Answer:

Estimating the difference of fractions and mixed numbers is similar to estimating sums. Round each fraction or mixed number and then subtract to find the estimate.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help me!!!You will get 20 points...
pashok25 [27]

Use the rule of 3, note that we will convert the hours to minutes:

60 - 84
75 - x

(75 * 84) / 60 = x
6,300 / 60 = x
105 = x

105 minutes = 1h 45m


Hope it helped,

Happy homework/ study/ exam!

4 0
3 years ago
Other questions:
  • Do you offer geometry help?
    8·2 answers
  • What is the fraction three for 185
    14·1 answer
  • 1. the number 0 (for the real numbers) distributive property 2. a(b + c) = ab + ac or a(b - c) = ab - ac literal equation 3. an
    9·1 answer
  • Anyone know the answer to this one ?
    12·1 answer
  • Helpppp with the first &amp; second !!!!!
    14·1 answer
  • Solve the question pls
    5·2 answers
  • On a hike, Parker noticed that the temperature at the base of a mountain was 69°F. At a point on the mountain that was 2,000 fee
    6·1 answer
  • If you have 1 Pokeball and 2 pokemon heal balls and 3 pokemon Ultra balls. How many balls are there?
    14·1 answer
  • Factorize the following:<br> 9{p-q}²-25{q-r}²
    8·1 answer
  • What is the measure of x?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!