Answer and workings in the attachment below.
Widget Indutries had stock that sold at 36 5/8 points. The stock rose 7 1/4 points. What is the new price?
1 answer:
The new price of stock of Widget industries is
<u>Solution:</u>
Given that, Widget Industries had stock that sold at points.
The stock rose points.
We have find what is the new price of the stock ?
Now, we know that, new price of the stock will be combination of sold value of the stock and the new rise of points to the stock
Then, new price of the stock = sold price of stock + rise in points
Converting the mixed fractions, we get
Hence, the new price of the stock is
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Answer:
Step-by-step explanation:
We have the system of equations:
We can convert this to a matrix. In order to convert a triple system of equations to matrix, we can use the following format:
Importantly, make sure the coefficients of each variable align vertically, and that each equation aligns horizontally.
In order to solve this matrix and the system, we will have to convert this to the reduced row-echelon form, namely:
Where the (x, y, z) is our solution set.
Reducing:
With our system, we will have the following matrix:
What we should begin by doing is too see how we can change each row to the reduced-form.
Notice that R₁ and R₂ are rather similar. In fact, we can cancel out the 1s in R₂. To do so, we can add R₂ to -2(R₁). This gives us:
Now, we can multiply R₂ by -1/5. This yields:
From here, we can eliminate the 3 in R₃ by adding it to -3(R₁). This yields:
We can eliminate the -5 in R₃ by adding 5(R₂). This yields:
We can now reduce R₃ by multiply it by -1/4:
Finally, we just have to reduce R₁. Let's eliminate the 2 first. We can do that by adding -2(R₂). So:
And finally, we can eliminate the second 1 by adding -(R₃):
Therefore, our solution set is
And we're done!
Answer:
Step-by-step explanation:
y - x / xy