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
grin007 [14]
3 years ago
14

If a is inversely proportional to x, a=15 when x=25 find the constant of variation, k

Mathematics
1 answer:
Rudik [331]3 years ago
7 0

Answer:

Step-by-step explanation:

"Inversely proportional to x" in this situation is represented by a = k/x.

Find k:

Let a = 15 and x = 25, then calculate k:

15 = k/25)

Multiplying both sides by 25 yields k = 15(25), or k = 3/5

                       3

and so a = -----------

                      5x

You might be interested in
Jensen and Raju had the same amount of money at first. After Jensen spent
Andreyy89

Step-by-step explanation:

Both of them had $x

Later

Jensen=x-64

Raju=x-148

Jensen=3*Raju

x-64=3(x-148)

x-64=3x-444

3x-x=444-64

2x=380

x=$190

5 0
3 years ago
1)A student earned a grade of 80% on a math test that had 60 problems. How many
FrozenT [24]

Answer:

48

Step-by-step explanation:

80% = .8

60 x .8 = 48

7 0
2 years ago
Read 2 more answers
What percent of the area underneath<br> this normal curve is shaded?<br> the answer is not 36%
klemol [59]

Answer:

95%

Step-by-step explanation:

8 0
3 years ago
Joshua is going to mow lawns during his summer break. The graph in the figure shows a linear relationship between the number of
eduard
The answer would be C because you would do 60 x 25 which would give you 1,500
6 0
3 years ago
Read 2 more answers
There were 820 445 people living in Indianapolis and 805,235 people living in
Alenkinab [10]
820,445 in expanded form: 800,000 + 20,000 + 400 + 40 + 5
6 0
3 years ago
Other questions:
  • The temperature decreased from 71.5*F to 56.8*F overnight. How much did the temperature drop?
    5·2 answers
  • If f(x)=6x-7 and g(x)-3x-8 what is f(g(6))
    6·1 answer
  • How do you reflect over y axis
    5·2 answers
  • Simlify 1/2+5/8 and 2/3+ 1/4
    7·1 answer
  • Help the photo is right there!
    13·2 answers
  • Laura painted her room with pink paint that was made by mixing paint at a ratio of 5 parts white paint to 2 parts red paint. Wil
    10·1 answer
  • The scores on a test are normally distributed with a mean of 30 and a standard deviation of 6. Find the score that is one dash h
    10·1 answer
  • Triangle LMN is similar to triangle PQR. The length of PQ is twice the length of LM.
    14·2 answers
  • 7. Marie can make 12 small mango pies for every 10 mangoes. How many pie
    14·1 answer
  • Using your knowledge of 2- and y-intercepts, which graph matches the equation y = x + 2x - 3?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!