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mote1985 [20]
3 years ago
5

Autumn collected 129 seashells at the beach. What is 129 rounded to the nearest ten ?

Mathematics
2 answers:
skad [1K]3 years ago
8 0
If you rounded off 129 to the nearest ten the answer would be 130
Black_prince [1.1K]3 years ago
4 0
To round this to the nearest ten, find the ten position and then look to the right, at the ones, if it is 5 or more than round or change the tens by +1 if not, the number remains as is, followed by zeros.

129 is estimated to 130, since 9 is greater than 5 and 2 goes up by 1.
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Y_Kistochka [10]
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8 0
2 years ago
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vekshin1

Answer:

2x+3y=170.......1

1x+5y=225.......2

multiplying equation 2 by 2 and subtracting eq.1 &2

2x+3y-2x-10x=170-225

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x=55/7

55/7+5y=225

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4 0
2 years ago
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4 0
3 years ago
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trapecia [35]

<u>Answer:</u>

The correct answer option is 48.

<u>Step-by-step explanation:</u>

In the given experiment, three events take place which include rolling a die, flipping a coin and spinning a spinner.

The possible outcomes of each of these events are as follows:

Rolling a die - 6

Flipping a coin - 2

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8 0
3 years ago
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cricket20 [7]

Answer:

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Step-by-step explanation:

After factoring we can find that it equals

(2x+5)(x+4)

6 0
2 years ago
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