After the distribution of x, you move 6 to the other side of the equation and then divide by three to get x=2. Therefore, the answer is c.

Hope this helps you!

3 0

2 years ago

What is 50/8 in simplest form ??

Maru [420]

50/8 can be simplified by dividing top and bottom by 2, getting 25/4. this is also equal to 6 and 1/4

4 0

3 years ago

Reduce 72:81 to its simplist form

rewona [7]

$\frac { 72 }{ 81 } \\ \\ =\frac { 8 }{ 9 } \cdot \frac { 9 }{ 9 } \\ \\ =\frac { 8 }{ 9 } \cdot 1\\ \\ =\frac { 8 }{ 9 }$

8 0

2 years ago

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The 16th term of an A.P. is 40 and the sum of the first 5 terms is 5. Find the sum of the first 50 terms.

KiRa [710]

Answer:

The sum of first 50 terms is 3425.

Step-by-step explanation:

Let the first tem of A.P be 'a' and it's common difference be 'd'

Thus the 16th term of the A.P is given by

$T_n=a+(n-1)d\\\\40=a+15d..........(i)$

Now we know that the sum of first 'n' terms of the A.P is given by

$S_n=\frac{n}{2}[2a+(n-1)d]\\\\5=\frac{5}{2}[2a+4d]\\\\1=a+2d..........(ii)$

Solving equation 'i' and 'ii' simultaneously we get

$40=1-2d+15d\\\\13d=39\\\\\therefore d=3$

Thus $a=1-2\times 3=-5$

Thus the sum of first 50 terms euals

$S_{50}=\frac{50}{2}[2\times -5+(50-1)3]\\\\S_{50}=3425.$

7 0

3 years ago

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