2 years ago

Whats better a cube of gold with 25m on each side or two cubes of gold one is 24m per side and one in 7m per side

Mathematics

1 answer:

Nana76 [90]2 years ago

3 0

Answer:

two cubes one 24 m per side one 7m per side

Step-by-step explanation:

24 x 6 = 144 + 7 times 6 = 186

25 times 6 = 150

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Twelve years ago, Jane was five times as old as Anne. In three years' time, Anne will be half Jane's

Soloha48 [4]

Answer:

Jane: 37 years old

Anne: 17

Step-by-step explanation:

Jane 12 years ago: 5x

Anne 12 years ago: x

In three years into the future:

Jane: 5x+15

Anne: x+15

CURRENT TIME:

Jane: 5x+12

Anne: x+12

Equation (using 3 years into the future ages): 5x+15=2(x+15)

5x+15=2x+30

(subtract 15 from both sides)

5x=2x+15

3x=15

x=5

Therefore, Jane is 37 years old and Anne is 17 years old.

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Answer:

9x = 120

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Step-by-step explanation:

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What value of x makes this equation true?

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24 makes the equation true

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