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Andrei [34K]
3 years ago
6

Which equation exemplifies the commutative property of addition???

Mathematics
1 answer:
Mumz [18]3 years ago
4 0
The answer is 3: 3+5+8=5+8+3
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Find the new cost including Sales Tax:<br> $99 headphones; 5% tax
rjkz [21]

Answer:

103.95

Step-by-step explanation:

99×5/100=4.95

99+4.95=103.95

6 0
3 years ago
The sum of two numbers is 12. The difference of the two numbers is 22. Find the two numbers
valentina_108 [34]

Answer:

-5 and 17

Step-by-step explanation:

The sum of two numbers (let's just say number a and number b) is 12.

a + b = 12

The difference between the same two numbers (still a and b) is 22.

b - a = 22

(Move variable a to the right side to get the following.)

b = 22 + a

(This way, we can substitute b = 22 + a into the first equation, a + b = 12, and solve.)

a + (22 + a) = 12

a + a + 22 = 12

2a = -10

a = -5

a + b = 12

-5 + b = 12

b = 17

7 0
2 years ago
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LiRa [457]

Answer:

A. 165 ft²

Step-by-step explanation:

volume = (½×5×6) x 11

= 15 × 11

= 165 ft²

8 0
3 years ago
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Which shows the image of ΔRST after the rotation (x, y) → (y, –x)?
Leona [35]
Did you mean to include an image?
5 0
3 years ago
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How can graphs on the coordinate plane represent proportional relationships
bulgar [2K]

Answer:

Step-by-step explanation:

  • La gráfica de una función de proporcionalidad directa es una recta que pasa por el origen de coordenadas.
  • En consecuencia, para representarla sólo necesitamos un punto y el origen, los cuales uniremos mediante una línea recta. Para obtener dicho punto usaremos la ecuación.
3 0
3 years ago
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