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MArishka [77]
3 years ago
8

Consider that x = −9 and y = −6. Which statement is true about x + y?

Mathematics
2 answers:
vfiekz [6]3 years ago
5 0

Answer: A) The sum of x and y is a rational number.

Step-by-step explanation:

A rational number is a number that can be expressed as a fraction , that is , it can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number

since x = -9 and y = -6

x + y = -9 + -6

x + y = -15

-15 can be written as -15/1 , this shows that it is a rational number.

Note : Irrational numbers can not be expressed as fraction ,example is \sqrt{2} , \pi and so on

Also , Imaginary number is a complex number

IgorLugansk [536]3 years ago
4 0

Answer:

A

Step-by-step explanation:

-9 -6 = -15.

-15 is rational.

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2 years ago
Micheal took his brother to the movies. Micheal paid regular price, but it cost $2 less for his brother at the child price. It c
iren [92.7K]

It cost $5 for his brother's ticket.

Step-by-step explanation:

Let,

Micheal's ticket price= x

His brother ticket price = y

According to given statement;

x+y=12    Eqn 1

y = x-2    Eqn 2

Putting value of y from Eqn 2 in Eqn 1

x+(x-2)=12\\x+x-2=12\\2x=12+2\\2x=14\\

Dividing both sides by 2;

\frac{2x}{2}=\frac{14}{2}\\x=7

Putting x=7 in Eqn 2

y=7-2\\y=5

It cost $5 for his brother's ticket.

Keywords: linear equation, substitution method

Learn more about linear equations at:

  • brainly.com/question/2747595
  • brainly.com/question/2750627

#LearnwithBrainly

8 0
3 years ago
Mai bought a tv for 330.00 the tax rate is 8% what is the total amount paid for the tv
xxTIMURxx [149]

Mai bought a TV for $mai bought a tv for 330.00

the tax rate is 8%

330.00 x 0.08 = 26.40

what is the total amount paid for the tv

330.00 + 26.40 = 356.40

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3 years ago
Jack wants to make a wooden car.
joja [24]
I believe the correct answer is G

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2 years ago
1. Write this translation rule in symbols: 2 units to the right and 3 down.
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C. (x + 2, Y - 3)

Step-by-step explanation:

C. (x + 2, Y - 3)

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