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ella [17]
2 years ago
5

1. what are the general strategies to convert difficult problems to easier ones? (list at least two strategies) 2. if a matrix a

is nonsingular, what properties does a have? (give at least one property) 3. what is normal equation? (give the formula) 4. how many solutions does a linear system have? 5. what is an overdetermined system?
Mathematics
1 answer:
musickatia [10]2 years ago
3 0
If the matrix is a nonsingual then two strategies must be properties
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Please help! Will give brainlist if correct! :(
raketka [301]

Answer:

Rounding can be referred to as a replacement of a number with another number that is equivalent to it. Rounding can be used to shorten a given number without depriving it of its original value. For example, we have to round 56.89. We can round it as replacing it with 57 which is the closest value to 56.

Rounding numbers isn't that difficult task. In fact, it's quite interesting and easy to do. For rounding, all you are required to do is to figure out which decimal place of the number you want to round off. There are different methods to round off numbers. You can round off numbers to Half Up/Down, Round-Up/Down Round Half to Even/Odd, and So on. Anyhow, here, we are concerned with "To What Place You Want to Round Off a Number". This can be illustrated.

To know how rounding calculator works you just have to understand the way the numbers are rounded off to a particular decimal place. Following is a list of the places to which a number can be rounded off: 1. Ones 2. Tens 3. Hundreds 4. Thousands 5. Ten Thousands 6. Millions 7. Tenths (1 decimal place) 8. Hundredths (2 decimal place) 9. Thousandths ( 3 decimal place) 10. Ten Thousandths (4 decimal place) 11. Hundred Thousandths (5 decimal place) 12. Millionths (6 decimal place)

Step-by-step explanation:

3 0
3 years ago
Explain why the graph shown may be misleading.
Finger [1]
This could be misleading because the vehicles have space in between them. It could be misleading and/or inaccurate because there is "space" not getting measured
6 0
4 years ago
{Thanks for answering my questions!} #thanks
Zepler [3.9K]
6=24a so you have to leave the a on one side of the equation. so you divide the 24 on both sides so the a could be by itself and divide 6 by 24. the answer is a=0.25
7 0
3 years ago
Read 2 more answers
HELP PLEASE
Maurinko [17]
\bf \cfrac{x^2-x-42}{x-6}\implies \cfrac{(x+7)\underline{(x-6)}}{\underline{x-6}}\implies x+7

so.. the left-hand-side does indeed simplify to x+7, so the equation does check out.

however, notice something, for the equation of x+7, when x = 6, we get (6) + 7 which is 13.

BUT for the rational, we get    \bf \cfrac{x^2-x-42}{x-6}\qquad \boxed{x=6}\implies \cfrac{x^2-x-42}{\boxed{6}-6}\implies \stackrel{und efined}{\cfrac{x^2-x-42}{0}}

so, even though the siimplification is correct, the rational or original expression is constrained in its domain.
6 0
4 years ago
In an isosceles triangle, if a base angle has a measure of 43 degrees, then the vertex angle must have a measure of 80 degrees a
tankabanditka [31]
 number one is false and n number two is true
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3 years ago
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