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SIZIF [17.4K]
3 years ago
13

Multiplication always sometimes or never true

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0
Always true,hope I have helped
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One number is 16 less than 4 times the second number. Their sum is 29. Find the numbers.
aleksklad [387]

Answer:

20,9

Step-by-step explanation:

this is how I did=x=1st, y=2nd; x=4y-16 and x+y=29; thus 4y-16+y=29; 5y-16=29; 5y=45; y=45/5=9, once you know y=9, put in equation, 4y-16=×, (4*9)-16=x, 36-16=x, 20=x

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3 years ago
20. The surface areas of two similar solids are 216 m² and 1014 m². The volume of the larger one is 2197 m³. What is the volume
Andrei [34K]

Answer:

  216 m³

Step-by-step explanation:

The ratio of linear dimensions is the square root of the ratio of area dimensions.

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Then the ratio of volume dimensions is the cube of that. The smaller volume is ...

  v = (6/13)³·2197 m³ = 216/2197·2197 m³ = 216 m³

The volume of the smaller solid is 216 m³.

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3 years ago
Determine whether the equation y-y=y is sometimes,always, or never true?
beks73 [17]
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Convert 5^1 and 4^11 to inches and feet
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Answer:

64 in

Step-by-step explanation:

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