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bazaltina [42]
3 years ago
11

What is 4y=1/2 equal

Mathematics
2 answers:
mr Goodwill [35]3 years ago
7 0
The correct answer is y=1/8. Hope this helps.
True [87]3 years ago
3 0
Simplify the left side.<span><span>−<span><span>y<span>−2</span></span><span>4y</span></span></span>=<span><span>y<span>−9</span></span><span>10y</span></span></span>Remove parentheses.<span><span>−<span><span>y<span>−2</span></span><span>4y</span></span></span>=<span><span>y<span>−9</span></span><span>10y</span></span></span>Set up the rational expression with the same denominator over the entire equation.<span><span>−<span><span><span>5y</span><span>−10</span></span><span>20y</span></span></span>=<span><span><span>2y</span><span>−18</span></span><span>20y</span></span></span>Since the expression on each side of the equation has the same denominator, the numerators must be equal.<span><span>−<span>(<span><span>5y</span><span>−10</span></span>)</span></span>=<span><span>2y</span><span>−18</span></span></span>Simplify the left side<span><span><span><span>−5</span>y</span>+10</span>=<span><span>2y</span><span>−18</span></span></span>Move all terms containing y to the left side of the equation<span><span><span><span>−7</span>y</span>+10</span>=<span>−18</span></span>Move all terms not containing y to the right side of the equation.<span><span><span>−7</span>y</span>=<span>−28</span></span>Divide each term by <span>−7</span> and simplify.<span>y=4</span>Check that all solutions found are valid and are part of the domain by substituting them into the original equation.<span>y=<span>4</span></span>
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SOS I'm terrible at math.
Tresset [83]
<span>y = -5 cos x is a basic (simple) variation of the basic trig function y = cos x.

The given </span>y = -5 cos x could be re-written as <span>y = -5 cos 1x.
Compare this to the most general form:          y =  a cos bx.

Here we see that the coefficient b equals 1.

There is a rule for finding the period of such a function:  Period = 2pi/b.

Since b = 1 here, the Period here is 2pi/1, or simply 2pi.

Please stop saying "I'm terrible with math."  That does not help you at all.  Say, instead, "With just a little help I could understand this just fine."</span>
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3 years ago
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anastassius [24]

Answer:

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Step-by-step explanation:

In order to solve for the variable, you will need to use a trig function. In this case, you will need to use the trig function tangent.

Tan = opposite/adjacent

⇒ Tan 30° = x/11

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⇒ (11√3)/3 = x

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Step-by-step explanation:

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