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What is the value of x in the equation x – y = 30, when y = 15?
2 answers:
<h2>Answer:</h2>
The value of x is:
We are given a linear equation in terms of variable x and y as follows:
Now, we are asked to find the value of x for the given value of y.
i.e. we have to evaluate the given equation for the given value of y.
Now we are given: y= 15
so by putting this value in equation (1) we have:
On adding 15 on both the sides of the equation we have:
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Answer:
The volume of the new crate is exactly 174.4% of the old crate.
Step-by-step explanation:
Volume of a rectangular prism:
The volume of a rectangular prism of dimensions x, y and z is given by:
She decided that the dimensions of the new crate needs to be increased by 40% of the original length.
Each dimension is increased by 40%, which means that each is multiplied by 1 + 0.4 = 1.4. So
Percentage:
The new volume is 2.744 the original volume. Considering the original volume is 100% = 1, it increased by 2.744 - 1 = 1.744 = 1.744*100% = 174.4%.
The volume of the new crate is exactly 174.4% of the old crate.