4 years ago

I have 30 ones, 82 thousnads, 4 hundred thousands, 60 tens and 100 hundreds. what am I?

Mathematics

1 answer:

inysia [295]4 years ago

3 0

492,630. Add up or multiply. I think thats the answer.

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neonofarm [45]

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4 years ago

1. Evaluate 7m + 3mn; when m=8 and n=14?

FrozenT [24]

Answer:

1. 392

2. 75

3. $12x^{2} - 5x -2$

Step-by-step explanation:

1. 7×8 + 3×8×14 = 56 + 336 = 392

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3. $12$ $x^{2}$ + $3x -$ $8x - 2$ = $12x^{2} -5x-2$

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4 years ago

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nordsb [41]

Answer:

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Step-by-step explanation:

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3 years ago

A tank weighs 5.6kg when it 1/4 filled with water.If it weighs 10.4kg when it is full ,what will be it's weight when it is empty

Schach [20]

Answer:

4 kg

Step-by-step explanation:

so 1.6 * 4 is 6.4 so you just double check if you want

4 + 1.6 which is 1/4 of 6.4 will be 5.6 (matches with the question)

4 + (1.6*4) (indicates it's full) = 10.4( also Matches with the question)

there is another way by setting up an equation. let me know in comments if you want to see it that way

7 0

2 years ago

Which shows the correct method for solving the equation below?<br> 1/3 (y-9) =3

lyudmila [28]

Answer:

$y=18$

Step-by-step explanation:

we have

$\frac{1}{3}(y-9)=3$

Multiply by $3$ both sides

$3*(\frac{1}{3}(y-9))=3*3$

$(y-9)=9$

Adds $9$ both sides

$(y-9)+9=9+9$

$y=18$

3 0

3 years ago