Is 0.9 a real number

2 answers:

7 0

I'm not sure but I would think the answer is yes because it is a fraction of a number and without a fraction you cannot make a whole . Also you can divide, multiply , add , and subtract 0.9 just like any regular number although I would not consider it an "Integer"

omeli [17]3 years ago

5 0

Yes, it is counted as the number one

Hope This Helps!!

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What is –15 ÷3 over 5 ? (over means fraction) A. -9 B. -I over 25 C.-25 D-1 over 9

Vlad1618 [11]

Well -15 divided by 3 is -5, so -5\5 = -1. But that's not one of the answers...

7 0

3 years ago

Choose the equation that satisfies the data in the table.

KengaRu [80]

The equation that satisfies the data in the table is,

y = -4x - 4 [Option D]

Definition of an Equation:

An equation is defined as a mathematical assertion in which you use mathematical symbols to demonstrate the equality of two amounts. A combination of expressions with variables and constants on either side of the equality sign make up an equation.

The (x, y) coordinates from the given table are,

(-1,0), (0, -4), (1, -8)

Now, these points must satisfy the required equation.

Considering the first point (-1, 0), if we substitute these values of x and y coordinates in y=4x-4, the equality is no longer maintained.

Similarly, (-1,0) does not satisfy the second and third equations, that are, y = -x + 4 and y = x + 4, respectively, either.

Taking the fourth equation, y = -4x - 4

Putting x = -1 in this equation, we get,

y = -4(-1) - 4

y = 4 - 4

y = 0

Likewise, this equation satisfies the rest of the data in the table too.

Therefore, y = -4x - 4 is the required equation.

Learn more about an equation here:

brainly.com/question/10413253

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3 0

2 years ago

PLZZZZZZ HELPPPP MEEEE!!!!!!!!

Orlov [11]

To solve this we are going to graph each one of the system of equations. The points in which the graphs of the tow equations intercepts will be the real solutions of the system of equations.

System A. Since the graph of the equations intercepts two times, we can conclude that the system has 2 real solutions.

System B. Since the graph of the equation don't intercept, we can conclude that the system has 0 real solutions.

System C. Since the graph of the equations intercepts two times, we can conclude that the system has 2 real solutions.