Step-by-step explanation:
-2x - 4 + 5y = 8
-2x + 5y = 8 + 4
-2x + 5y = 12
<em>Hope</em><em> </em><em>this helps</em><em>.</em><em>.</em><em> </em><em>Good</em><em> </em><em>luck</em><em> </em><em>:</em><em>)</em><em> </em>
Answer:
B
Step-by-step explanation:
Let the base of the triangle be <em>b</em> and the height be <em>h</em>.
The sum of the base and height is 14. Thus:
Recall that the area of a triangle is given by:
From the first equation, solve for either variable:
Substitute:
Distribute:
Distribute:
Let <em>b</em> = <em>x</em>. Hence:
Therefore, our answer is B.
The solution to the given equation is x = -8
<h3>Solving Linear Equations</h3>
From the question, we are to determine value of x in the given equation
The given equation is
(x + 6)/x = 1/4
To solve the given equation, we would solve for the unknown variable x
(x + 6)/x = 1/4
First, multiply both sides of the equation by x
x + 6 = x × 1/4
x + 6 = x/4
Now, multiply both sides of the equation by 4
4(x + 6) = 4 × x/4
4x + 24 = x
Now, subtract x from both sides of the equation
4x - x + 24 = x - x
3x + 24 = 0
Subtract 24 from both sides of the equation
3x + 24 - 24 = 0 - 24
3x + 0 = -24
3x = -24
Divide both sides of the of the equation by 3
3x/3 = -24/3
x = -8
Hence, the solution to the given equation is x = -8
Learn more on Solving Linear Equations here: brainly.com/question/85186
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Answer:
D: Undefined
Step-by-step explanation:
You can use the unit circle or your calc for this (don't forget to put it in radians!). I will use the unit circle to explain.
Tangent on the unit circle is on the xy lines themselves. tan (π/2) would be on the positive y axis. Remember that tan∅ is <em>sin∅/cos∅</em> and that the unit circle's radius is always one. If that is the case, the coordinate for tan (π/2) would be (0, 1). If cos is always x and sin is always y, you plug it in for tan∅. The fraction 1/0 is undefined, since you can't divide anything by 0. Therefore, tan (π/2) is undefined.
Class B is the answer, it says 50% and class A is completely in the box. It’s B
