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skad [1K]
3 years ago
12

Make y the subject of the formula:A = xy + yz

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
5 0
A=xy+yz
A=y*(x+z)
y=A/(x+z)
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How to solve <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B4%7D%20x%20%7B%7D%5E%7B2%7D%20%20%3D%20x%20%2B%202" id="TexFormu
Vikentia [17]

Answer:

➩ x=2,-\frac{2}{3}

Step-by-step explanation:

\sqrt{4x^2}=x+2

➨ We can also solve by completing both squares, however. Since we can pull out the square root.

\sqrt{4x^2}=|2x| ➩ Define of Absolute Value/Square Root

➩ \sqrt{x^2}=|x|

Thus, our new equation is ➩ |2x|=x+2

To solve an absolute-value equation, let there be two conditions.

➨ Where x ≥ 0

2x=x+2\\

Move x to another side

2x-x=2\\x=2

➨ Where x < 0

-2x=x+2\\-2x-x=2\\-3x=2\\x=\frac{2}{-3}\\x=-\frac{2}{3}

3 0
3 years ago
PLEASE HELP! POINTS!<br><br><br> Graph y =  – 4/3x + 1
9966 [12]
I'm kind of thrown off for that negative sign, but I try it out in the one that makes sense is this one [ https://gyazo.com/192a76e70d2d46979691cabbf06e6c85 ] If you can better of explain where the negative sign will be great. Hope I helped. 
4 0
3 years ago
What is the total surface area of three of these ice cubes?
Veseljchak [2.6K]
The answer is 18 feet2 

7 0
3 years ago
Read 2 more answers
If 5% of the total ticket is $125 what is the value of the total ticket sales
andriy [413]
If you would like to know what is the value of the total ticket sales, you can calculate this using the following steps:

$x ... the value of the total ticket sales

5% of $x is $125
5/100 * x = 125     /*100/5
x = 125 * 100 / 5
x = $2500

Result: The value of the total ticket sales is $2500.
6 0
3 years ago
Read 2 more answers
Two different floor plans are being offered in a new housing development. Several prospective buyers from three different age gr
zepelin [54]

Answer:

0.677

Step-by-step explanation:Add up the values in the plan A column. There are 10+12+16 = 38 people who prefer plan A.

Add up the values in the "40-49" row to find that 16+8 = 24 people are ages 40 to 49.

We have 38+24-16 = 46 people who either prefer plan A, are aged 40-49, or fit both descriptions. I subtracted off 16 because those 16 people were counted twice when adding 38 and 24.

An alternative way to get this value of 46 is to add up everything that is in column1 or row 3 (or both). So that would get 10+12+16+8 = 46.

Now add up everything in the table to find out how many people were surveyed total. That would be 10+7+12+15+16+8 = 68 people overall.

The probability of someone liking plan A, or being age 40-49, or both is 46/68 = 0.6765 approximately. Rounding to 3 decimal places gives 0.677

3 0
3 years ago
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