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erica [24]
3 years ago
13

What number should be added to both sides of the equation to complete the square? х2 + 3x = 6

Mathematics
1 answer:
Daniel [21]3 years ago
8 0
3/2^2 or 0.75 because you have to take the middle value (3), divide it in half, then square it. That would be 0.75.
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Consider the function <br>f(x) = 8x^3 +1.<br><br> If f(g(x)) = x and g(f(x)) = x , find g(x) ?
Elena L [17]

g( \: f(x) \: ) = x

And

f( \: g(x) \: ) = x_________________________________

So :

g(x) =  {f}^{ - 1}(x)

And

f(x) =  {g}^{ - 1}(x)

_________________________________

So to find g(x) , we must find the inverse of f(x) .

Let's do it .....

f(x) = 8 {x}^{3} + 1

y = 8 {x}^{3} + 1

Subtract the sides of the equation minus 1

y - 1 = 8 {x}^{3}

Divided the sides of the equation by 8

\frac{y - 1}{8} =  {x}^{3} \\

From the sides of the equation, we take the radical with interval 3

\sqrt[3]{ \frac{y - 1}{8} } = x \\

\sqrt[3]{ \frac{1}{8}(y - 1) } = x \\

\frac{1}{2} \sqrt[3]{y - 1} = x \\

\frac{ \sqrt[3]{y - 1} }{2} = x \\

So ;

{f}^{ - 1}(x) = \frac{ \sqrt[3]{x - 1} }{2} \\

Now we find g(x) which is :

g(x) =  \frac{ \sqrt[3]{x - 1} }{2} \\

_________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

7 0
3 years ago
PLEASE CAN SOMEONE HELP FAST BEG U<br> SIMULTANEOUS EQUATION<br> P/2 + Q/3 =6<br> P/3 + Q/3 =0
Naddika [18.5K]

Answer:

{Q = -(3 P)/2, Q = -6 P}

Step-by

-step explanation:

6 0
3 years ago
Yarin’s gross pay for the year was $3,500. The federal income tax withholding from his pay was 9% of his gross pay. Yarin determ
inna [77]

9514 1404 393

Answer:

  $200

Step-by-step explanation:

The amount of withholding was ...

  $3500 · 9% = $315

The excess over the amount due is ...

  $315 -115 = $200

Yarin can expect a refund of $200.

3 0
3 years ago
Read 2 more answers
Anyone know the answer
ycow [4]

Answer:

3

Step-by-step explanation:

72/9 = 8 ( The quotient of 72 and 9)

8-5 = 3 (Decrease by 5)

8 0
3 years ago
Ricky went to buy stationary to New Paper Mart. He found missing data in the bill as shown below. Find the values of A, B, C and
Bond [772]

Answer:

The value of A = 36

The value of B = 42

The value of C = 30

The value of D = 12

Step-by-step explanation:

A= $6 x 6= 36

B= 336 ÷ 8= 42

C= $15 x 2= 30

D= 24 ÷ $2= 12

Find complete question in the attachment

5 0
3 years ago
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