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katrin [286]
3 years ago
14

Describe how you regroup when you find the sum of 64+43

Mathematics
1 answer:
Temka [501]3 years ago
6 0
64
+43
--------
107



the 4 and 3 on the right only adds up to 7... if the numbers add up to be 10 more you always take the left number and add it to the left side of your adding chart... if not just add from right to left
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True of false: 1+1 has the same answer as 1x1
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Answer:

False

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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The value of a piece of land is $500 an acre. The price per acre is expected to increase 7% per year. Which function models the
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4 0
3 years ago
RSM wants to send four of its 18 Math Challenge teachers to a conference. How many combinations of four teachers include exactly
tatiyna

Answer:

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.

Step-by-step explanation:

The order in which the teachers are chosen is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

1 from a set of 2(Either Mrs. Vera or Mr. Jan).

3 from a set of 18 - 2 = 16. So

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1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.

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The value of 8 is in the hundred thousands

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