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
Alinara [238K]
3 years ago
6

The variables x and y vary directly. Use the values to find the constant of proportionality and write an equation that relates x

and y. y=8; x=2
Mathematics
1 answer:
Leya [2.2K]3 years ago
3 0

Answer:

y = 4x

Step-by-step explanation:

If y is directly proportional to x (which is what I assume you are meaning in this question), this means that

y = kx, where k is the constant of proportionality.

To find k, we simply substitute in the given x and y values, and solve for k. i.e we to get:

8 = k x 2.

k = 8/2 = 4.  

so y = 4x

You might be interested in
Angle BAC measures 56. What is the measure of angle BDC?
goldfiish [28.3K]

Answer: Like the angles BAC (56°) and BDC has the same arc BC in the circumference, these angles must be congruent, then angle BDC must be equal to 56°.

4 0
3 years ago
Read 2 more answers
The area of a rectangle is 60 sq. cm. The rectangle's length is 12 cm.
Lunna [17]
A= l times w
60=12w
W=5
8 0
3 years ago
What is the value of the expression 4⁴?​
Ghella [55]

Answer:

256 is the answer

Step-by-step explanation:

4×4×4×4=256.

3 0
3 years ago
Simplify what is written here
Inessa05 [86]

When multiplying terms that have the same base (in this case, x) but different exponents, you can add their exponents to make them one term.


In this case, we can add the exponents of x:

x \cdot x^5 \cdot x^5

x^{(1 + 5 + 5)}

\boxed{x^{11}}


A simplified version is x^{11}.

4 0
3 years ago
Read 2 more answers
A ball is thrown upward with an initial velocity of 96 ft/sec from a height 640 ft. Its height​ h, in​ feet, after t seconds is
olchik [2.2K]
Check the picture below.

thus is at 0 = -16t² + 96t +640,

\bf 0=-16t^2+96t+640\implies 0=-16(t^2-6t-40)
\\\\\\
0=t^2-6t-40\implies 0=(t-10)(t+4)\implies t=
\begin{cases}
\boxed{10}\\
-4
\end{cases}

well, clearly it can't be a negative value for the elapsed seconds, so it can't be -4.

5 0
3 years ago
Other questions:
  • PLZ HELP ME PLZ PLZ! Find the product.
    9·2 answers
  • steven wants to buy a $565 bicycle. Steven has no money saved, but will be able to deposit $30 into a saving account when he rec
    7·1 answer
  • 1) What can u do to get 2x alone on the left side?
    9·1 answer
  • What is the limit of cosine as x approaches infinity?
    14·1 answer
  • Which relationship between x and y in the equation shows a proportional relationship
    10·1 answer
  • Someone pls help •n• brainlist
    5·1 answer
  • What is 21/2 as a mixed number?
    12·2 answers
  • I WILL MARK BRAINLEST
    5·2 answers
  • I need help now pleaseeee
    13·2 answers
  • Consider the steps for determining the quotient of ¹24 + x4
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!