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
lawyer [7]
4 years ago
13

Pls solve this proportion

alt="\frac{5}{6}" align="absmiddle" class="latex-formula"> = \frac{c}{9}
Mathematics
1 answer:
Nostrana [21]4 years ago
6 0

Answer:

  c = 15/2

Step-by-step explanation:

Multiply both sides of the equation by 9, then reduce the fraction.

  9(5/6) = c

  15/2 = c

_____

<em>Alternate methods</em>

You are usually told to "cross-multiply" which means you multiply the expression by the product of the denominators. this would give you ...

  9(5) = 6(c)

Then you would divide by the coefficient of c to get ...

  (9·5)/6 = c = 15/2

__

Since c is multiplied by 1/9, you can solve this by multiplying by the inverse of that coefficient, 9. That is what is done in the first section above. Usually, this does in one step what the "cross-multiply" method does in 2 steps.

__

The "cross multiply" step can also be done by multiplying by the least common multiple of the denominators, 18. Then you have ...

  18(5/6) = 18(c/9)

  15 = 2c

Now, dividing by the coefficient of c gives ...

  15/2 = c

You might be interested in
−12d+58=38d−1116 what does p=
weeeeeb [17]

Answer:

d= 587/25, d=23.48

Step-by-step explanation:

8 0
3 years ago
(a) Use the definition to find an expression for the area under the curve y = x3 from 0 to 1 as a limit. lim n→∞ n i = 1 Correct
Luba_88 [7]

Splitting up the interval of integration into n subintervals gives the partition

\left[0,\dfrac1n\right],\left[\dfrac1n,\dfrac2n\right],\ldots,\left[\dfrac{n-1}n,1\right]

Each subinterval has length \dfrac{1-0}n=\dfrac1n. The right endpoints of each subinterval follow the sequence

r_i=\dfrac in

with i=1,2,3,\ldots,n. Then the left-endpoint Riemann sum that approximates the definite integral is

\displaystyle\sum_{i=1}^n\frac{{r_i}^3}n

and taking the limit as n\to\infty gives the area exactly. We have

\displaystyle\lim_{n\to\infty}\frac1n\sum_{i=1}^n\left(\frac in\right)^3=\lim_{n\to\infty}\frac{n^2(n+1)^2}{4n^3}=\boxed{\frac14}

6 0
3 years ago
A copy machine makes 44 copies per minute how long does it take to make 143 copies
Novosadov [1.4K]

It should take about 3.25 minutes

5 0
3 years ago
A pizza chain records how long it takes customers to receive their delivery orders. Suppose the distribution of these delivery t
SCORPION-xisa [38]

Answer:

The probability that the mean delivery time from the sample of 25 orders xˉ is farther than 2 minutes from the population mean cannot be calculated.

Step-by-step explanation:

As given in the question statement, the distribution of delivery times is strongly skewed to the right. The population distribution is skewed to right. Too much skewed distribution can cause the statistical model to work ineffectively and affects its performance. The probability can also not be calculated because the sample size is too small. Small sample size affects the results and makes them less reliable because it results in a higher variability and likelihood of skewing the results.

5 0
3 years ago
How do I choose a method to find the product
Mrrafil [7]
What do you mean? 
It's ok.
here's an example of product..
3 X 5 = 15.
7 0
3 years ago
Other questions:
  • Which transformation was performed on triangle ABC to produce triangle A’ B’ C’
    13·1 answer
  • Solve : -7= 2x -7 x=?​
    10·2 answers
  • Help me with geometry?
    8·1 answer
  • Number sense. What is the rule? <br> 200----&gt;500 400----&gt;700 500-----&gt;800
    11·1 answer
  • Work out angle bxc give a reason for each angle you work out
    6·1 answer
  • You toss a coin 15 times. P( heads) 2/5=
    15·1 answer
  • PLEASE HELP ME<br> Answer the question in the picture.
    9·2 answers
  • Marking brainliest <br><br> What do you thinks this means and why does it matter
    11·1 answer
  • Can you please help me I’ll pay you £100
    15·2 answers
  • These box plots show the basketball scores for two teams.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!