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3 years ago

The sum of 1/2 and 2/3 is________ 1. greater than less than equal to

Mathematics

1 answer:

REY [17]3 years ago

8 0

1/2 = 3/6
1/3 = 2/6

3/6 + 2/6 = 5/6

5/6 < 1

1/2 and 2/3 are < 1

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Benny was told to practice playing piano for 4/11 of an hour per day. Benny has already played 3/14 of an hour today. How many h

alekssr [168]

Solution:

4/11 = 0.36

3/14 = 0.21

He still needs to play 0.15 of an hour or 3/20 of an hour.

Given facts - Amount he has to play, and the amount he played.
Question - For how long does he need to practice to meet the required time.
Hidden question - There is nothing hidden
Operations used - divisions (not necessary), subtractions and conversion (only if used division).
Number sentence - 4/11 - 3/14 = x
Answer - 3/10 of an hour.

Hope it helped,

Happy homework/ study/ exam!

5 0

2 years ago

Both before and after a recent earthquake, surveys were conducted asking voters which of the three candidates they planned on vo

andre [41]

Answer:

0.05547

Step-by-step explanation:

Given :

_____Peter __ Alan __ Sui__total

Before 1838 __ 418 ___1475 _3731

After _ 1420 __ 329 ___1140_2889

Total _3258 __ 747 __ 2615 _6620

The expected frequency = (Row total * column total) / N

N = grand total = 6620

Using calculator :

Expected values are :

1836.19 __ 421.006 __ 1473.8

1421.81 ___325.994__ 1141.2

χ² = Σ(Observed - Expected)² / Expected

χ² = (0.00177817 + 0.0214571 + 0.000974852 + 0.00229642 + 0.0277108 + 0.00125897)

χ² = 0.05547

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2 years ago

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Minchanka [31]

Answer:

0.74

Step-by-step explanation:

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2 years ago

Determine if the two triangles are congruent. If they are, state how you know.

IRISSAK [1]

Answer:

AAS

Step-by-step explanation:

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3 years ago

Case 0 has 6 tiles and grows by 4 new tiles each

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Answer:

4 and 10

Step-by-step explanation:

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3 years ago