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]
3 years ago
10

I WILL MARK AS BRAINLIST The quantities x and y are proportional Find the constant of proportionality (r) in the equation y=rx

Mathematics
2 answers:
tekilochka [14]3 years ago
7 0

Answer:

\frac{1}{2}

Step-by-step explanation:

Given that x and y are proportional and the equation relating them is

y = rx ← r is the constant of proportionality

To find r use any ordered pair from the table

Using x = 9, y = 4.5 , then

4.5 = 9r ( divide both sides by 9 )

\frac{4.5}{9} = r , that is

r = \frac{1}{2}

Vesna [10]3 years ago
7 0
The correct answer is 1/2
You might be interested in
Helen plays basketball. For free throws, she makes the shot 78% of the time. Helen must now attempt two free throws. C = the eve
riadik2000 [5.3K]

Answer:

0.6708 or 67.08%

Step-by-step explanation:

Helen can only make both free throws if she makes the first. The probability that she makes the first free throw is P(C) = 0.78, now given that she has already made the first one, the probability that she makes the second is P(D|C) = 0.86. Therefore, the probability of Helen making both free throws is:

P(C+D) =  P(C) *P(D|C) = 0.78*0.86\\P(C+D) = 0.6708

There is a 0.6708 probability that Helen makes both free throws.

5 0
3 years ago
brian and shawna are selling cookie dough. ryan sold 6 packod cookie dough and 12 packages of gingerbread cookies dough for a to
Bogdan [553]

Answer:

Chocolate chip dough = $12

Gingerbread cookie dough = $17

Step-by-step explanation:

Since there are two variables in this problem, setting up a system of equations and using the elimination method will help us find the cost for each package of cookie dough.  Based on Ryan's sales of 6 packages of chocolate chip and 12 packages of gingerbread for $276, the first equation is:

6c + 12g = 276

Since Shawna sold 8 chocolate chip and 3 gingerbread for a total of $147.00, the second equation is:

8c + 3g = 147

Using the elimination method, we will need to multiply the second equation by a factor of -4 in order to eliminate the variable 'g':

-4(8c + 3g = 147) = -32c - 12g = -588

Add the two equations:

6c + 12g = 276

+ <u> -32c - 12g = -588</u>

-26c = -312  or c = $12

Plug the value of 'c' into the first equation:

6(12) + 12g = 276 or 72 + 12g = 276 or g = $17

8 0
3 years ago
"The closeness of a measurement to the actual value" is a definition of which term?
Neko [114]
The answer is Accuracy. Accuracy is the closeness of a measurement to the actual vaule. 
7 0
3 years ago
Please help im stuck​
Ierofanga [76]

Answer:

NOT a relation and NOT a function

5 0
2 years ago
Read 2 more answers
State if each set of three numbers can be the lengths of a triangle. <br><br> 6 cm, 2 cm, 3 cm.
madam [21]

Answer:

This set cannot be the sides of a triangle

Step-by-step explanation:

In order to have a triangle, the sum or 2 given sides must be greater than the third, or the endpoints cant meet. In this case, 2+3 = 5, which is less than 6. Therefore, this is not a triangle.

7 0
2 years ago
Other questions:
  • Could you please help!
    8·1 answer
  • Please help ASAP !!15 points!!
    10·1 answer
  • Joan received $100 in gift cards for an online music store. Each time she buys a new song it costs $1.29. She has already bought
    11·1 answer
  • How many cups are in a pint of water<br> 1/8<br> 1/2<br> 2<br> 4<br> Thank you
    7·2 answers
  • How do I even do number 14 and what is the answer?
    15·2 answers
  • the sum of a number and 9 is multiplied by -2 and the answer is 8 find the number. I know the answer is -5 i need a expression,
    5·1 answer
  • Carlos bought a new car that costs $27,250. The value of a car decreases continuously by 13% each year that it is owned. a. Writ
    9·1 answer
  • Round your answers to the nearest unit or degree.
    10·1 answer
  • Lyrics to "nuketown" if you can put all the lyrics ill give you brainliest lol &lt;3 ;)
    10·2 answers
  • Find the slope of the line passing through the points (5,-2) and (9,18) PLEASE HELP I NEED WORK SOWN AND IM BEING TIMED I HAVE 3
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!