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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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A number cube is rolled once. Answer these questions below?
Yakvenalex [24]

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6 0
3 years ago
Use the equation 2,401 = 76 – 2x. What power of 7 is 2,401?
zaharov [31]
Comment
I'm going to take a guess at this and say what you meant is  2401 = 7^(6 - 2x)

Step One
Find out the power of 7 that will equal 2401. 
You could do it like this.
7^y = 2401 and just guess at some values.

y      7^y
1      7
2      49
3      7 * 7 * 7 = 343
4      7 * 7 * 7 * 7 = 2401  So the answer is 4

7^4 = 2401

Step 2 
Equate the powers.
2401 = 7^(6 - 2x)
7^4 = 7^ (6 - 2x)
4 = 6 - 2x  Subtract 6 from both sides.
4 - 6 = - 2x 
-2 = - 2x divide by - 2
-2/-2 = x
x = 1 <<<<<<<<<<<<<answer

7 0
3 years ago
Read 2 more answers
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