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Ira Lisetskai [31]
3 years ago
6

Explain why you should record a 1 in the Tens column when you regroup in an addition problem

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0
Change your ten ones to a  single ten
to show the new ten right a 1 in the ten column

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Which expression is equivalent to 4/9 times 7
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Answer:

4/9 * 7 =3.11111111

Step-by-step explanation:

4/9 * 7 =3.11111111

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Calculate the perimeter of this shape 12cm 18cm
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30

Step-by-step explanation:

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Combine like terms. <br> 2ac+4b+6ac-7a-b=
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8ac+3b-7a

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If a cylindrical tank holds 100,00 gallons of water which can be drained from thebottom of the tank in an hour, then Torricelli’
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First, I think the right formula is:

V(t) = 100,000(1-\frac{t}{60} ),20\leq t\leq 60

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because the formula V'(t) is constant so it doesn't depend of time.

5 0
4 years ago
Out of every 40 pens, 5 pens are discarded. What percent of the pens are not discarded?
Gwar [14]

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