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Liula [17]
3 years ago
5

8n - (2n+11 - 54)simplify

Mathematics
1 answer:
Serjik [45]3 years ago
5 0

Answer:

8n - (2n + 11 - 54) =

Step-by-step explanation:

6n + 43, I used a calculator !

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Suppose that y varies inversely as x and that y=8 when x=3. Calculate the value of y when x= 10.
Svetach [21]

\bf \qquad \qquad \textit{inverse proportional variation} \\\\ \textit{\underline{y} varies inversely with \underline{x}} ~\hspace{6em} \stackrel{\textit{constant of variation}}{y=\cfrac{\stackrel{\downarrow }{k}}{x}~\hfill } \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \textit{we know that } \begin{cases} y = 8\\ x = 3 \end{cases}\implies 8=\cfrac{k}{3}\implies 24=k~\hfill \boxed{y = \cfrac{24}{x}} \\\\\\ \textit{when x = 10, what is \underline{y}?}\qquad \qquad y = \cfrac{24}{10}\implies y = \cfrac{12}{5}

3 0
3 years ago
A clock has a diameter of 16 inches. how far does the hour hand travel during 5 hours? use 3.14 for pi.
valentina_108 [34]

Distance hour hand travel in 5 hours is 20.94 inches.

<h3>What is a diameter?</h3>
  • A diameter of a circle is any straight line segment that passes through the center of the circle and has endpoints on the circle in geometry.
  • It is also known as the circle's longest chord.
  • Both definitions apply to the diameter of a sphere.

To find the distance hour hand travel in 5 hours:

  • Let's say the hour hand completed one full round around the clock.
  • If this was the case, it would have been 2\pi×8 inches around.
  • We know that the hour hand only traveled 5 hours around the clock rather than 12, thus our formula is 2\pi×8×( 5/12 ).
  • Distance hour hand travel is 20.94 inches.

Therefore, the distance hour hand travel in 5 hours is 20.94 inches.

Know more diameter here:

brainly.com/question/390660

#SPJ4

8 0
2 years ago
Factors of 6:factors of 7:
Olenka [21]
6: 1,3,2,6
7: 1,7
Factors of 6 are 1,3,2,6 because 1x6 (6x1) and 3x2. (2x3)

Factors of 7 are 1,7 because seven is a odd number so you can only multiply it by one and itself. (1x7 or 7x1)
6 0
3 years ago
4+3 +3 + 10 + 5 = 25<br> What is the average value?
sergij07 [2.7K]

Answer:

There is 5 numbers (not including the sum/25)

The average is add up all the numbers and divide by amount of numbers

25/5=5

The average value is 5

Step-by-step explanation:

5 0
3 years ago
the tens digit of a 2 digit number is twice the units digit. The sum of the digits is 12. Find the original number
Nataly [62]
<span>2x + x = 12 
=> x =12/3 =4 
so, original number is 84. </span>
7 0
3 years ago
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