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muminat
4 years ago
5

X/w=z/y^2 solve for y

Mathematics
1 answer:
9966 [12]4 years ago
6 0

Answer:

\Large \boxed{\displaystyle y=\sqrt{\frac{z \cdot w}{x}}}

Step-by-step explanation:

\displaystyle \frac{x}{w} =\frac{z}{y^2 }

Cross multiplication.

x \cdot y^2 =z \cdot w

Dividing both sides by x.

\displaystyle \frac{x \cdot y^2 }{x} =\frac{z \cdot w}{x}

\displaystyle y^2  =\frac{z \cdot w}{x}

Taking the square root of both sides.

\displaystyle \sqrt{y^2 }  =\sqrt{\frac{z \cdot w}{x}}

\displaystyle y=\sqrt{\frac{z \cdot w}{x}}

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IrinaK [193]

The question can be solved as follows:

\frac{5.52\times10^3}{1.2\times10^5}=\frac{5.52}{1.2}\times10^{-2}=4.6\times10^{-2}

Hence the value of the given expression in scientific notation is expressed as:

\frac{5.52\times10^3}{1.2\times10^5}=4.6\times10^{-2}

8 0
1 year ago
Expand the following expression: 8(3x + 5) + 14
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Answer:

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4 0
4 years ago
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Twelve education students, in groups of four, are taking part in a student-teacher program. Mark cannot be in the first group be
Rina8888 [55]
This is a combination problem.

Given:
12 students
3 groups consisting of 4 students.
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The combination formula that I used is: n! / r!(n-r)!
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This is the formula I used because the order is not important and repetition is not allowed. 

Since Mark can't be considered in the first group, the value of n would be 11 instead of 12. value of r is 4.

numerator: n! = 11! = 39,916,800
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8 0
4 years ago
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Jerry has a miniature model of a boat. He knows that the model is 3 3/4 inches wide and 5 1/2 inches long. What is the actual le
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Answer:

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