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
iragen [17]
2 years ago
13

Y is directly proportional to 1 over the square root of x if y = 7 when x = 36 find y when x = 4

Mathematics
1 answer:
Alecsey [184]2 years ago
5 0

Step-by-step explanation:

y |X(the sign for protionality) 1/√x

y = 7 when x = 36

y = k/√x

7 = k/√36

7 = k / 6 cross multiply

k = 7×6

k = 42

find y when x is 4

y = 42/√x

y = 42/√4

y = 42/2

y = 21

You might be interested in
Solve for the given variable<br><br> 1. <img src="https://tex.z-dn.net/?f=f%3D%20%5Cfrac%7B9%7D%7B5%7Dc%2B32%20%20" id="TexFormu
olga2289 [7]
f=\frac{9}{5}c+32\\&#10;5f=9c+160\\&#10;9c=5f-160\\&#10;c=\frac{5f-160}{9}&#10;
8 0
3 years ago
What is the correct factorization of 2x² + 3x - 5?
sesenic [268]
Yea it’s B because I did the mathhhhhh
4 0
2 years ago
Line k perpendicular to line m, and passes through the same point, (6,2). What is the equation
Papessa [141]

Answer:

y = mx + b

Step-by-step explanation:

Use that form to find the slope.

8 0
2 years ago
What is a​ population?. a population is the set containing all the people or objects whose properties are to be described and an
yarga [219]
I think that is the letter (a)
7 0
3 years ago
Terms that contain the same variable and raised to the same power are called _________.
blondinia [14]
The correct answer is like terms. Hope this helps.
3 0
3 years ago
Other questions:
  • Find the next two terms of the sequence. 2, 6, 10, 14, ... (1 point)
    10·2 answers
  • In a basketball game, the bulldogs make a total of 21 shots. Some of the shots are 2-pt shots while others are 3-pt shots. The b
    14·1 answer
  • The SAT mathematics scores in the state of Florida are approximately normally distributed with a mean of 500 and a standard devi
    7·2 answers
  • How can I tell if a triangle with side lengths 10, 24, and 26 is a right triangle?
    11·1 answer
  • HELP ME PLEASE!!<br> is y=2x^2 - 4 linear or non linear
    15·1 answer
  • I need help asap pls
    15·1 answer
  • HELP!! <br> Complete the ratio table.<br> 13 15<br> 26 _<br> 45 _<br> 60 _<br> 65 75
    13·1 answer
  • Help ASAP Please. Working on this now. Look at picture for question and answer A, B, C​
    15·1 answer
  • Angela is planning to cycle 200 km to a hotel for an overnight stay. She cycles at a constant speed of 25km/hr. How long did it
    7·1 answer
  • 6. Work The dollar amount d that Julia earns varies directly as the number of hours !
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!