MATHEMATICS COLLEGE

Given the following formula solve for y. W=x-y/2 -z

Answers

Answer 1

Answer:

Answer:

y = 2x + 2W - 2z

Step-by-step explanation:

Add y/2 to both sides of this equation. We get:

y/2 + W = x - z.

Multiplying all four terms by 2 eliminates the fraction:

y + 2W = 2x - 2z

Subtracting 2W from both sides yields:

y = 2x + 2W - 2z

Answer 2

Answer:

sorry my answer was wrong

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X/2 + 5= -8 what does x equal and show work

Find the real value of x,y if

(1/(x^2+y^2))+(1/(x+yi))=1

Answers

It sounds like $x,y$ are supposed to be real numbers. If so, then we can do the following.

$\frac1{x^2+y^2}+\frac1{x+yi}=1$

Multiply the second term's numerator and denominator by the conjugate of the denominator:

$\frac1{x^2+y^2}+(x-yi)/((x+yi)(x-yi))=1$

$\frac1{x^2+y^2}+(x-yi)/(x^2+y^2)=1$

$(x+1-yi)/(x^2+y^2)=1$

Since the left hand side is equal to 1, this means it has no imaginary part, so that $y=0$ . Then the real parts of both sides of the equation give us

$(x+1)/(x^2)=1\implies x+1=x^2\implies x^2-x-1=0\implies x=\frac{1\pm\sqrt5}2$

2,4000,000 in standard form

Answers

Answer:

24 million

Step-by-step explanation:

24,000,000 if you put it porperly

The units are, Unit, Tens, Hundreds, Thousand, Ten-Thousand, Hundred-Thousand, Million, Ten million, Hundred million Billion and so on

X=3/5 y=1/3 z=24/5 work out the value of z+x x y

Answers

The correct answer is 3.

The only swimming pool at the El Cheapo Motel is outdoors. It is 5.0 m wide and 12.0 m long. If the weekly evaporation is 2.35 in., how many gallons of water must be added to the pool if it does not rain?

Answers

Answer:

946.10 gallons per week

Step-by-step explanation:

1 cm = 0.393701 inch

Width = 5.0m = 196.85 inch

Length = 12.0 m = 472.44 inch

The volume evaporated weekly is given by:

$V = L*W*2.35 = 196.85*472.33*2.35\nV=218,550.12\ in^3$

Converting to gallons:

$1\ gal = 231\ in^3\nV=(218,550.12)/(231)\nV= 946.10\ gal$

946.10 gallons of water must be added to the pool each week.

Final answer:

To determine the volume of water evaporated from the pool at the El Cheapo Motel, we converted all measurements to a common unit and calculated the volume of water evaporated. The motel has to add approximately 946.13 gallons of water weekly, considering there is no rain.

Explanation:

To answer this question, we first need to convert the measurements to a common unit. Given that the pool is 5.0 m wide and 12.0 m long (a total area of 60.0 m2) and the weekly evaporation is 2.35 inches, we first convert the inches to meters. Since 1 inch is equal to 0.0254 meters, 2.35 inches equals 0.05969 meters.

Then, we calculate the volume of water evaporated in a week, which is calculated by multiplying the surface area of the pool by the depth of the water evaporated. Hence, it's 60.0 m2 * 0.05969 m = 3.58 m3. As 1 m3 is approximately 264.17 gallons, 3.58 m3 equals 946.1296 gallons approximately.

In conclusion, the El Cheapo Motel needs to add around 946.13 gallons of water to their pool on a weekly basis, if there is no rain.

Learn more about Volume Calculation here:

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Work out the percentage change to 2 decimal places when a price of £70 is increased to £99.

Answers

The percentage change in the price is 41.42%.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Given that, a price of £70 is increased to £99.

Now, the difference is 99-70=29

Percentage increase is 29/70 ×100

= 0.4142×100

= 41.42%

Therefore, the percentage change in the price is 41.42%.

To learn more about the percentage visit:

brainly.com/question/24159063.

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Answer: Your answer is 41.43%

To calculate, it is simply (99-70)/70 x 100

which is equal to 41.43%