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Igoryamba
3 years ago
9

Erica has eight necklaces 1/4 of the necklaces are blue how many necklaces are blue ?

Mathematics
2 answers:
timofeeve [1]3 years ago
7 0
Two of the necklaces are blue
egoroff_w [7]3 years ago
6 0
What is 8 / 2? If 8 / 2 = 4 and 2 + 2 = 4, what is a quarter of 8?
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A radiator contains 8 quarts of fluid, 40% of which is antifreeze. How much fluid should be drained and replaced with pure antif
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Answer: 1.6 quarts

Step-by-step explanation:

Given : A radiator contains 8 quarts of fluid, 40% of which is antifreeze.

[40% can be written as 0.40.]

Then, the amount of antifreeze in radiator =                                                                                               (1)

If a radiator contains 8 quarts of fluid with 60% of which is antifreeze.

[60% can be written as 0.60.]

Then, the amount of antifreeze in radiator =                                                                                              (2)

Now subtract (1) from (2) we get,

The amount of fluid should be drained and replaced with pure antifreeze so that the new mixture is 60% antifreeze :-

Hence, the 1.6 quarts of fluid should be drained  and replaced with pure antifreeze so that the new mixture is 60% antifreeze

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2 years ago
Fred has saved 4300 cent over 2 days from selling lemonade. how many dollars dose fred have ?
Serggg [28]
4300 cents = $43

Because 43 x 100 = 4300
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3 years ago
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It is inaccurate. Her words translate to 10 minus x

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she minuses x and gives it to desai

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2 years ago
A lock has two digit numeric code, with the numbers 1 through 7 available for each digit of the code. Note that numbers can be r
lubasha [3.4K]
If there is 2 digits and 7 numbers the combos would be:
1,1 2,1 3,1 4,1 5,1 6,1 7,1
1,2 2,2 3,2 4,2 5,2 6,2 7,2
1,3 2,3 3,3 4,3 5,3 6,3 7,3
1,4 2,4 3,4 4,4 5,4 6,4 7,4
1,5 2,5 3,5 4,5 5,5 6,5 7,5
1,6 2,6 3,6 4,6 5,6 6,6 7,6
1,7 2,7 3,7 4,7 5,7 6,7 7,7

Therefore there are 49 possible combinations :)
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2 years ago
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