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saul85 [17]
3 years ago
8

(15s^2 - 50st + 40t^2)/(s - 2t)

Mathematics
1 answer:
Artyom0805 [142]3 years ago
4 0
I hope this helps you

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3. If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day is: (a) 1 – n
zaharov [31]

Answer:

If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day

will be \frac{1}{n}.

Step-by-step explanation:

From the question, it is clear that

  • If ‘A’ can finish a work in ‘n’ days, then
  • we have to determine the part of work finished in 1 day.

So

let 'n' be the number of days A takes to complete the whole work

Let the whole job be denoted as '1'

Thus, the part of work finished in 1 day will be:

                      \:\frac{Total\:work}{Time\:taken\:by\:A\:to\:complete\:the\:work}\:=\frac{1}{n}

Therefore, If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day will be \frac{1}{n}.

                             

Keywords: work, word problem

Learn more about word problem form brainly.com/question/12419898

#learnwithBrainly

3 0
3 years ago
Solve the proportions:
IRINA_888 [86]

<u>Answer:</u>

  • 6. 6.75
  • 7. 27
  • 8. 92/17
  • 9. 49

<u>Step-by-step explanation:</u>

<u>- Question 6 -</u>

  • 9/16 = x/12
  • => 16x = 12 x 9
  • => 16x = 108
  • => x = 6.75

Hence, <u>the value of x in this proportion is 6.75.</u>

<h3>_______________________________</h3>

<u>- Question 7 -</u>

  • -3 + x/18 = 12/9
  • => -3/18 + x/18 = 4/3
  • => x/18 = 4/3 + 1/6
  • => x/18 = 8/6 + 1/6
  • => x/18 = 9/6
  • => x = 9/6 x 18
  • => x = 27

Hence, <u>the value of x is 27</u>

<h3>_______________________________</h3>

<u>- Question 8 -</u>

17/15 = 10/2x - 2

=> 17(2x - 2) = 150

=> 34x - 34 = 150

=> 34x = 184

=> x = 184/34

=> x = 92/17

Hence, <u>the value of x is 92/17</u>

<h3>_______________________________</h3>

<u>- Question 9 -</u>

  • x - 16/x + 6 = 3/5
  • => 5(x - 16) = 3(x + 6)
  • => 5x - 80 = 3x + 18
  • => 2x = 98
  • => x = 49

Hence, <u>the value of x is 49.</u>

<h3>_______________________________</h3>

Hoped this helped.

3 0
2 years ago
What's the definition of electrolysis​
nata0808 [166]

Answer: chemical decomposition produced by passing an electric current through a liquid or solution containing ions. In chemistry and manufacturing, electrolysis is a technique that uses direct electric current to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell. Electrolysis is used in industry for the production of many metals and non-metals (e.g., aluminium, magnesium, chlorine, and fluorine). Electrolysis is commonly employed for coating one metal with another. The method of coating one metal with another using an electric current is called electroplating.

Hope this helps....... Stay safe and have a Merry Christmas!!!! :D

3 0
3 years ago
What is the common ratio between successive terms in the sequence?<br><br> 1.5, 1.2, 0.96, 0.768, …
horsena [70]
The common ratio of the consecutive numbers is obtain by dividing the second term by the first term. From the given, that is
r = 1.2 / 1.5 = 0.8
Thus, the common ratio of the consecutive terms of the given sequence is 0.8.



Mark brainliest please


Hope this helps you
3 0
2 years ago
Expand &amp; simplify 6 ( 4 c + 2 ) − 6 ( 2 c − 2 )
QveST [7]

Answer:

<h2>12c + 24</h2>

Step-by-step explanation:

The first step, is to distribute. Multiply 6 to 4c and 2. Also multiply -6 to 2c and 2. After the distribution, you'd end up with 24c + 12 - 12c +12.

After this, the second step is to combine like terms. We know that 24c and -12c both have the variable of c. So, 24c - 12c=12c. We also know that 12 and 12 are also alike, so 12 + 12=24.

Now, we are left with the answer of 12c + 24.

8 0
3 years ago
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