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Bond [772]
3 years ago
14

Write two different pairs of decimals whose sums are 8.69. one pair should involve regrouping.

Mathematics
2 answers:
Komok [63]3 years ago
6 0
No regrouping: 4.34 + 4.35
Regrouping (carrying): 4.93 + 3.76
Karolina [17]3 years ago
6 0

Answer:

The pairs are: No regrouping: 4.29+4.4 and Regrouping: 5.72+2.97

Step-by-step explanation:

Consider the provided information.

We need to write two different pairs of decimals whose sums are 8.69.

you can take any two number whose sum is 8.69

Let say first number is 4.29 then the second number will be 4.4

We can check this by adding the numbers as shown:

 4.29

+<u>4.4   </u>

 <u>8.69</u>

It is required that one pair should involve regrouping.

You can take any two numbers whose sum is 8.69 after regrouping.

Let say first number is 5.72 then the second number will be 2.97

We can check this by adding the numbers as shown:

 1

 5.72

+<u>2.97</u>

 <u>8.69</u>

Hence, the pairs are: No regrouping: 4.29+4.4 and Regrouping: 5.72+2.97

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The graph of y = f(x) is shown below. According to the graph, what is f(-2)
iris [78.8K]

Answer:

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Step-by-step explanation:

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Consider the sequence given by a plus 8 pattern: 2, 10, 18, 26, ….
Finger [1]

Answer:

n = 1 second formula

n = 0 first formula

Step-by-step explanation:

I answer this in the other question you put, here it is again.

This is easy to get. We know the sequence cause it follows a pattern of 8, so let's try some values of n from 1 to 4, to get those numbers with the first formula:

n = 1,2,3,4

f(1) = 8(1) + 2 = 10

f(2) = 8(2) + 2 = 18

f(3) = 8(3) + 2 = 26

f(4) = 8(4) + 2 = 34

As you can see, with the first formula, the first term is 10, and not 2. The only way to get 2 with n = 1 is with the second formula:

f(1) = 8(1) - 6 = 2

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f(3) = 8(3) - 6 = 18

f(4) = 8(4) - 6 = 26

With n = 1, the second formula was better and correct.

The first formula could be right only beggining with n = 0. Here is the proof:

f(0) = 8(0) + 2 = 2

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Answer:

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Step-by-step explanation:

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4 0
3 years ago
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