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Naddik [55]
2 years ago
14

67+65+ what gives me 180

Mathematics
1 answer:
Serga [27]2 years ago
4 0

Answer:

48.

Step-by-step explanation:

To find the missing number write out the equation :

67 + 65 + ? = 180.

67 + 65 = 132

To find out how much more we need you can minus 132 from 180.

180 - 132 = 48.

Plug it in to see if it works.

67 + 65 + 48 does equal 180.

Hope this helps,

Davinia.

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PLEASE HELP, 50 POINTS! This is a triangle investigation.
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Answer:

8

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2 years ago
Determine which of these sequences is an arithmetic sequence. Then determine the explicit formula that would be used to define t
vagabundo [1.1K]

6)

34, 43, 52, 61, ...

43-34 = 9; 52-43 = 9; 61-52 = 9

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first term:  a = 34

difference:  d = 9

so the formula:

                         a_n=a+d(n-1)\\\\a_n=34+9(n-1)\\\\a_n = 34+9n-9\\\\\underline{a_n=9n+25}

7)

10, 6, 2, -2, ...

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difference:  d = -4

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8)

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difference:  d = -7

so the formula:

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9)

7, 8.5, 10, 11.5, ...

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difference:  d = 1.5

so the formula:

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10)

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