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zmey [24]
3 years ago
9

Which statement is true? A matrix separates rational and irrational numbers. A matrix separates positive and negative numbers. A

matrix orders numbers from greatest to least. A matrix is a rectangular arrangement of numbers.
Mathematics
1 answer:
Jet001 [13]3 years ago
5 0
I'm pretty sure the answer is "A matrix separates rational and irrational numbers." (Note: I'm not that great with memorizing definitions, but I'm pretty sure.) Hope this helps :)
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The amount of money Monica earns is represented by the following variable expression 2.9( 7s + 7) Enter the amount of money Moni
Maslowich

Answer:

The amount of money Monica earns if each cheesecake was cut into 12 slices = $263.9

Step-by-step explanation:

The amount of money Monica earns by selling cheesecake is represented by the following variable expression:

2.9(7s+7)

where s represents the number of slices of cheesecake.

To find the money Monica would earn if each cheesecake was cut into 12 slices.

Solution:

In order to find the total amount earned by Monica if the number of slices the cheesecake is cut into is 12, we will plugin 12 for variable s in the given expression.

The expression :

2.9(7s+7)

Plugging in s=12

⇒ 2.9(7(12)+7)

Simplifying and evaluating.

⇒ 2.9(84+7)

⇒ 2.9(91)

⇒ 263.9

Thus, she earns = $263.9

5 0
3 years ago
What is the solution of the system of equations?<br> 4x-8y=0<br> 5x+2y=6
katrin [286]

Answer:

x=1,

y=1/2

Step-by-step explanation:

    4x-8y=0

 so     4x=8y

            x=2y

   5x+2y=6

because x=2y

so:

  5x+x=6

      6x=6

         x=1;

then

        x=2y

        1=2y

       y=1/2

7 0
4 years ago
11 cm<br> 7 cm<br> 4 cm<br> What is the volume of the right rectangular prism?
netineya [11]
Hi, just do 11x7x4cm.
5 0
3 years ago
Sheryl earns money for college by walking dogs. She earns $5 for each dog she walks. She has $35 at the end of the week. How man
Olegator [25]

Answer:

35 ÷ 5 = <u>7dogs</u>      Equation: 5x = $35    

Step-by-step explanation:

5 times the amount of dogs she walked equals $35

Just divide 35 by 5 and it will give you how many dogs she walked!

Hope this helps!

4 0
3 years ago
Please help. I will mark you as brainliest !
Oliga [24]

Answer:

x \times x + x \times 4 + x \times x + x \times 1 - 3 \times x + 3 \times 4 + 3 \times x + 3 \times 1

8 0
3 years ago
Read 2 more answers
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