4 years ago

Solve for x. x + 3 = Sqrt 4x+17

1 answer:

8 0

Answer:

Step-by-step explanation

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Airida [17]

Answer:

Step-by-step explanation:

Given the equation $\frac{1}{3}(x+9) = -12$

Step 1;

Expand the bracket at the right hand side of the equation to have:

$\frac{1}{3}x +\frac{1}{3}(9) = -12\\\frac{1}{3}x+3=-12\\subtracting\ 3\ from\ both\ sides\\\frac{1}{3}x+3-3=-12-3\\\frac{1}{3}x=-15\\$

Taking the reciprocal of both sides:

$\frac{3}{x} = \frac{-1}{15} \\ cross\ multiplying\\-x =45\\x=-45$

4 0

3 years ago

stellarik [79]

The exact value for cos(pi/16) would be :

cos (pi/16) = +/- √1+cosa/2

cos (pi/4) = sqrt2/2

Hope this helps

6 0

3 years ago

Neporo4naja [7]

Answer:

−2m+3

Step-by-step explanation:

6 0

3 years ago

Ronch [10]

Do you need to show work?

8 0

4 years ago

Olenka [21]

To make the equation easier so that you don't have to use fractions.

8 0

4 years ago