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Mrrafil [7]
3 years ago
15

Which of the following statements uses the commutative property of addition?

Mathematics
1 answer:
jek_recluse [69]3 years ago
4 0

Answer:

2 + (3 + 4) = (2 + 3) + 4

Step-by-step explanation:

What the commutative property of addition does is it take the first and last numbers and switches them so that the first is last and the last is first.

2 + (3 + 4) = (2 + 3) + 4 is your answer.

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jonny [76]

Answer:

18.6 months

Step-by-step explanation:

Given that :

Best fit line from scatterplot :

y=-12.05x +224.26

x = Number of month

y = charge on battery

Number of months a typical battery uses before being dead completely :

When battery is dead completely ; charge =0, y = 0

y = -12.05x + 224.26

0 = - 12.05x + 224.26

12.05x = 224.26

x = 224.26 / 12.05

x = 18.610788

Hence, 18.6 months before battery is completely dead.

4 0
3 years ago
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Artyom0805 [142]

Answer:

(- 1, - \frac{1}{2} )

Step-by-step explanation:

The centre is located at the midpoint of the diameter.

Using the midpoint formula , then

centre = \frac{-10+8}{2}, \frac{-5+4}{2} ) = ( \frac{-2}{2}, \frac{-1}{2} ) = (- 1, - \frac{1}{2} )

7 0
3 years ago
Convert 7/3 into a mixed number
antoniya [11.8K]

Answer:

2 1/3

Step-by-step explanation:

4 0
2 years ago
Diana has $10,000 in a savings account that earns interest annually at the rate of 5%.
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partA: 0.05*10000=500$ amount of interest.

partB: 10000+500=10500$ the total amount after 1 year.

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