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lawyer [7]
3 years ago
10

Please answer the following ASAP

Mathematics
1 answer:
mr Goodwill [35]3 years ago
8 0

Answer:

Graphing:  Graphing is the best method to use when introducing a new student to solving systems of two equations in two variables, because it gives them a visiual to recognize what they are looking for.  Graphing is less exact and often takes more time than the other methods.  I only recommend graphing to find a solution if the problem comes with a graph already drawn and the intersection appears to be on an exact coordinate.

Substitution:  Substition gives that advantage of having an equation alrady written for the second variable when you find the first one.  Substitution is best used when one (or both) of the equations is already solved for one of the variables.  It also works well if one of the variables has a coefficient of 1.

Elimination:  Elimination is the method that I use almost every time.  If you are not sure which method to use, I recommend that you use elimination.  Elimination is best used when both equations are in standard form (Ax + By = C).  Elimination is also the best method to use if all of the variables have a coefficient other than 1.

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What is the Lcm of 2 and 7
wel

Answer:

14

Step-by-step explanation:

The least common multiple is a number that both numbers can multiply something to get to, and the smallest possible common one.

Let's try listing out the multiples of 2:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20

And the multiples of 7:

7, 14, 21, 28, 35, 42, 49, 56, 63, 70

Notice that both have the number 14 in common, and it is the first number that they do so.  There are lots of other multiples that they have in common too, but 14 is the least.

5 0
2 years ago
Answer??? please please
SCORPION-xisa [38]

Answer:

58 = <1

Step-by-step explanation:

The sum of the opposite interior angles of a triangle is equal to the exterior angle

101 = 43+ <1

Subtract 43 from each side

101- 43 = <1

58 = <1

4 0
3 years ago
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The answer is definitely B
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sveticcg [70]

Answer:

I think the answer is 1.

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7 0
2 years ago
if you deposit $800 in a savings account that earns simple interest at a rate of 1.5% per year, how much interest will you have
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