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arsen [322]
3 years ago
7

Why do square numbers not end in 2, 3, 7 or 8. Why is it so that to identify whether a number is a square or not you look at the

last digit of the number.
Mathematics
1 answer:
Maksim231197 [3]3 years ago
3 0

Answer:

I don't know dear

I am Korean can you tell in Korean language

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I will mark brainliesttt!
Mars2501 [29]

Answer:

35 degrees

Step-by-step explanation:

90 -55 = 35

5 0
3 years ago
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Professor Walter precisa pintar uma quadra, que tem o formato retangular, cujo comprimento é de 45 m por 38 m. Para isso ele vai
ololo11 [35]

Answer:

24 buckets

Step-by-step explanation:

Given that :

Dimension of rectangular block = 45 m by 38 m

A bucket of paint will cover 72m² of floor

Total area of floor : Length * Width

Total Area = (45m * 38m) = 1710 m²

Buckets of paint required :

Total area / Area per bucket

= 1710m² / 72m²

= 23.75 buckets

= 24 buckets

3 0
3 years ago
3a-2b=50, 2a+3b=100 what does a equal and what does b equal?
harina [27]
A = (350/13) and B = (400/-13)
7 0
2 years ago
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Help! Please!! Its Algebra 1 american school.
Anarel [89]
I dont know if im right, but Ill take a shot at it. in the table 0 is 1, 1 is 5, 2 is 21, and 3 is 95.  Hope this helps..
8 0
3 years ago
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A polling organization asked a nation-wide random sample of 1600 new brides (those who got married in the past 2 years) the foll
iren [92.7K]

Answer:

It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively.

Step-by-step explanation:

Given that:

sample size n = 1600

sample mean \overline x = 20000

standard deviation = 5000

The objective is to choose from the given option about what most closely resembles the relevant box model.

The correct answer is:

It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively.

However, if draws are made without replacement, the best estimate of the average amount for the bride will be $20,000

Similarly, the standard error for the sample mean = \dfrac{s}{\sqrt{n}}

= \dfrac{5000}{\sqrt{1600}}

= \dfrac{5000}{40}}

the standard error for the sample mean = 125

4 0
3 years ago
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