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marishachu [46]
3 years ago
13

9 – 5y = 4x ordered pair: (–6, 3)

Mathematics
2 answers:
Shkiper50 [21]3 years ago
7 0

Answer:

The ordered pair IS NOT a solution to the equation

Step-by-step explanation:

To see if it is or is not a solution, plug in the point into the equation:

9 - 5y = 4x

9 - 5(3) = 4(-6)

Simplify:

9 - 15 = -24

-6 = -24

-6 \neq -24

So, since this is false, the ordered pair is NOT a solution to the equation

Anton [14]3 years ago
5 0
The answer is number 2
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The number 0.3333... repeats forever, therefore, it is irrational
denis-greek [22]

Answer:

  FALSE

Step-by-step explanation:

A repeating decimal is a rational number.

  0.3333(repeating) = 1/3

__

A <em>non</em>-repeating infinite decimal is an irrational number. √2 and π are examples of such numbers.

6 0
3 years ago
6th grade math help me please :))
sergij07 [2.7K]

Answer:

The answer is option D.

3u + 1 + 7y

All the terms here are different and cannot be combined

Hope this helps you

4 0
3 years ago
Kiyo bought a pizza for $12.75 and four medium drinks at Paola’s pizza. Define a variable and write an expression to represent t
Travka [436]
Y = total amount of money spent
x = cost of one drink

So our expression is:
4x + 12.75

4x stands for 4 drinks times x price of one drink
The 12.75 is a one time fee for the pizza, since Kiyo isn't buying multiple pizzas.

The problem also asks us to find the total price, so we write an equation:

y = 4x + 12.75
We insert what x is which in this case is $3
y = 4(3) + 12.75
Order of Operations tells us to multiply first:
y = 12 + 12.75
Now add your values:
y = 24.75
Therefore, Kiyo spent a total amount of 24.75 at Paola's pizza.

Let's check our problem just in case:

24.75 = 4x + 12.75
Since we now know what y is equal to, we can plug that into our original equation and check just to verify

We should subtract 12. on both sides of the equation because of inverse operations:

24.75 - 12.75  = 12.75 - 12.75 + 4x
We are left with:

12 = 4x
We divide:
\frac{12}{4}  =  \frac{4x}{4}
Our result is:
3 = x
Which checks out because each drink was in fact, $3 dollars as stated in the word problem. Hope that was thorough enough.


4 0
3 years ago
I need help with number 4
Ray Of Light [21]
You will divide the 12 by 28: 12/28 and that equals 3/7
6 0
3 years ago
Read 2 more answers
Evaluate \dfrac{e}{4}+2f-3 4e +2f−3 when e=12e=12 and f=\dfrac12f= 21<br> ​
dusya [7]

Answer:

\frac{13+\left(-3\right)^2+4\left(-3\right)+1-\left(-10-\left(-6\right)\right)}{\frac{\left(4+5\right)}{\left(4^2-3^2\left(4-3\right)-8\right)}+12}=5


Step-by-step explanation:


7 0
3 years ago
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