Multiplying with decimals

Mathematics

2 answers:

mel-nik [20]3 years ago

8 0

Answer:

the way that is easiest for me is to do the bunk-bed strategy

for example

154 . x 0.45 . =

5 x 4

5 x 5

5 x 1

then

4 x 4

4 x 5

4 x 1

then u add the #'s together but then cince its a decimal u add the decimal point to the full # , the answer is 6930 but then the decimal 69.3

AnnyKZ [126]3 years ago

4 0

Answer:

Dont know what your asking for

Step-by-step explanation:

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pishuonlain [190]

Answer: The graph is shown below

The solution to the system is (x,y) = (2,3)

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Explanation:

To graph $y = \frac{5}{2}x-2$ , we need two points. Generating any (x,y) point involves picking a random x value to find its paired y value. For instance, if you plugged in x = 0, you should get to y = -2 which is the y intercept. Then trying something like x = 2 will lead to y = 3. This line goes through (0,-2) and (2,3). This line is shown in red below.

The blue line is horizontal and goes through 3 on the y axis. Every point on this horizontal line has the same y coordinate of 3. The x value doesn't matter, so it's not part of the equation y = 3.

The intersection of the red and blue line is the solution to the system. That intersection occurs at (x,y) = (2,3). This means x = 2 and y = 3 pair up together to make both original equations true.

Since this system has at least one solution, we consider it a consistent system.