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Paha777 [63]
3 years ago
12

3x+11y=8 SOLVE FOR Y

Mathematics
2 answers:
viva [34]3 years ago
4 0
3x + 11y = 8
-3x               -3x
11y = 8 - 3x 
/11        /11
y = 0.72 - 3x/11
Basile [38]3 years ago
4 0
Hello there!

To solve 3x + 11y = 8 for y, first subtract 3x on both sides to isolate 11y.

 3x + 11y = 8
-3x               -3x
----------------------
         11y = -3x + 8

divide both sides by 11.

         11y = -3x + 8
            y = -3/11 +8/11

Hope this helped! :)      
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George had $6,000 in a savings account earning simple interest at a rate of 5% per year. At the end of the year, George paid 25%
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Answer:

<em>$225</em>

<em></em>

Step-by-step explanation:

Given that:

Principal = $6,000

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Time = 1 year

Taxes paid = 25% on the interest earned

To find:

Money earned after paying taxes ?

Solution:

First of all, let us calculate the total interest earned:

Formula for Simple Interest is given as:

SI =\dfrac{PRT}{100}

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R is the rate of interest

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Putting the given values:

SI =\dfrac{6000 \times 5\times 1}{100} =\$300

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Taxes paid = 25% of $300

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Therefore, the money earned = Interest earned - Taxes paid

The money earned = $300 - $75 = <em>$225</em>

8 0
3 years ago
when the sum of an unknown number z and twenty two is divided by the same unknown number,the quotient is twelve what is the unkn
Anarel [89]

The unknown number . . . . .  (z)

The sum of the unknown number and 22 . . . . .  (z + 22)

The sum of the unknown number and 22
divided by the same unknown number . . . . . . .  (z + 22) / z

You said that quotient is 12.              (z + 22) / z  =  12

Multiply each side by 'z' :                  (z + 22)       =  12 z

Subtract 'z' from each side:                      22        =  11 z

Divide each side by  11 :                           2         =      z .
   
6 0
3 years ago
On average, Stan drinks 34 of a 8 ounce glass of water in 12 of an hour. How much water does he drink in an hour?
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Answer:22.6

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Hope this helps.

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3 0
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How many decibels is this? show work​
slavikrds [6]

Answer:

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Explanation:

<u>1. Given equation:</u>

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<u>2. Given intensity:</u>

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