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dangina [55]
3 years ago
15

Which mathematical property is shown by the statement?

Mathematics
1 answer:
zhenek [66]3 years ago
5 0

Answer:

Step-by-step explanation:

( 4y - 9) - 7 = 4y (-9 - 7)

this is the associative property of addition

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Is 9.521521521 rational or irrational
enyata [817]

If the numbers after the decimal terminate, yes, it's rational.

9.521521521 = 9,521,521,521 / 1,000,000,000

If they don't terminate, but the pattern continues (which I suspect is the case here), yes, it's still rational.

If <em>x</em> = 9.521521521…, then

1000<em>x</em> = 9521.521521521…

Subtract <em>x</em> from this to eliminate the fractional part:

1000<em>x</em> - <em>x</em> = 9521.521521521… - 9.521521521…

999<em>x</em> = 9512

<em>x</em> = 9512/999

If they don't terminate, but the pattern does <em>not</em> continue, meaning the next few digits could be something random like

9.521521521<u>19484929271283583457</u>…

then the number would be irrational.

7 0
2 years ago
Which of the following is a subset of {1, 2, 3}?
KATRIN_1 [288]
It is the third option: {1, 2, 3}
5 0
2 years ago
Read 2 more answers
PLEASE HELP IM ON A TEST RIGHT NOW: Twelve boxes of golf balls cost $30 and two boxes of hockey pucks cost $45. The cost per box
vlada-n [284]

Answer:362.5

Step-by-step explanation: thank me later

5 0
2 years ago
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Help!! due in 20 mins
Sedaia [141]

Answer:

i believe A is not true .

Step-by-step explanation:Notice how b,c,and d are all similar . pretend the first box is box a and the second box is box b . the answer choices are all similar in the terms like a/b=b/a or b/a=a/b . yet answer A is like a/a=b/b and it makes no sense

8 0
3 years ago
Jude says that the volume of a square pyramid with base edges of 12 in and a height of 10 in is equal to the volume of a cylinde
Lapatulllka [165]

Answer:

No, not correct

Step-by-step explanation:

Square pyramid volume:  (1/3) (base area)(height).  In this case,

V = (1/3)*(12 in)^2*(10 in) = 480 in^3 = 480 in^3

Cylinder volume:  (base area)*(height).  In this case,

V = (3.14)*(6.77 in)^2*(10 in) = 452.12 in^3.

No, Jude is not correct; the 480 in^3 volume of the square pyramid is not the same as the 452.12 in^3 volume of the cylinder.

7 0
3 years ago
Read 2 more answers
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