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Daniel [21]
2 years ago
11

Square root of four

Mathematics
2 answers:
CaHeK987 [17]2 years ago
7 0
The square root of 4 is 2 because 2•2 is 4
babymother [125]2 years ago
5 0

Answer:

2

Step-by-step explanation:

You can write square root of four as √4

To find the square root multiply a number two times whose resultant product is 4.

2 is a number which is multiplied two times will give us 4

Therefore,

√4 = √2*2

2 makes a pair so that we will write it outside the root

√4 = √2*2

= 2

Thus the square root of 4 is 2....

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Square root of -2 times square root of -2
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Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980 to 2000, and the
STatiana [176]
480 pennies.

25% are dated before 1980, therefore:
1200(total):100 = 12 (1%)
12(1%)x25 = 300 (25%)

35% are dated from 1980 to 2000, therefore:
12(1%)x35 = 420 (35%)

25% are dated before 1980, 35% are dated from 1980 to 2000 and the rest are dated after 2000.
25% + 35% = 60%.
300(25%) + 420(35%) = 720.
60% = 720.
100%-60% = 40%.
40% is the amount of pennies that are dated after 2000.

The total (100%) of the pennies is 1200.
We also know that 60% of the total (1200) is 720.

1200(100%) - 720(60%) = 480(40%).

Therefore, the amount of pennies dated after 2000 in Russell’s Collection is 480.
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2 years ago
What does 6 - 6 + 3 =
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3

Step-by-step explanation:

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Read 2 more answers
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