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kati45 [8]
3 years ago
13

Select the decimal that is equivalent to 2/3

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0

Answer:

0.66666667 or 0.6

Step-by-step explanation:

if you put \frac{2}{3} in a calculator and convert it, it would display

0.6666 with infinite sixes.

you can also write it as:

0.6

ps ;; you would do this for any fraction, then round it.

Vinil7 [7]3 years ago
5 0
.6666666667 that is a equivalent decimal
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(-3,4). Thats the answer.
6 0
3 years ago
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What is the measurement of 2 and 11​
vagabundo [1.1K]

<2=40° <11=60°

Because <1 was 140°, 2 is 40°. 40°+80°=120°

180°-120°=60°

6 0
3 years ago
Suppose 12% of students are veterans. From a sample of 263 students, how unusual would it be to have less than 22 veterans?
kkurt [141]

Answer:

Yes, both np and n(1-p) are ≥ 10

Mean = 0.12 ; Standard deviation = 0.02004

Yes. There is a less than 5% chance of this happening by random variation. 0.034839

Step-by-step explanation:

Given that :

p = 12% = 0.12 ;

Sample size, n = 263

np = 263 * 0.12 = 31.56

n(1 - p) = 263(1 - 0.12) = 263 * 0.88 = 231.44

According to the central limit theorem, distribution of sample proportion approximately follow normal distribution with mean of p = 0.12 and standard deviation sqrt(p*(1 - p)/n) = sqrt (0.12 *0.88)/n = sqrt(0.0004015) = 0.02004

Z = (x - mean) / standard deviation

x = 22 / 263 = 0.08365

Z = (0.08365 - 0.12) / 0.02004

Z = −1.813872

Z = - 1.814

P(Z < −1.814) = 0.034839 (Z probability calculator)

Yes, it is unusual

0.034 < 0.05 (Hence, There is a less than 5% chance of this happening by random variation.

7 0
2 years ago
Can you guys help me plz
julsineya [31]

Answer:

1) x>1

2) x<6

3) x>34

4) x>-4

5) x<2

6) x>-36

7) x<=4

8) x>-2

9) x>=2

10) x>14

6 0
2 years ago
Find the sum of 136 +212. expkain why u did r did not regroup
mario62 [17]
Line up 136 and 212 with 136 on top and 212 on the bottom.

  136
+212
____

now add up the end numbers, 6 and 2. That's 8. Since 8 is only a single-digit number, it fits in the space. Write that down under 6 and 2. 
Next, add up the middle numbers, 3 and 1. That's 4, it fits in the space, so you don't need to regroup here either. 
Now add up the first number in each, and that adds up to 3. 

The sum is the number you wrote down! It should look something like this.

  136
+212
____
348

You can say that the sum of these numbers is 348, and you did not have to regroup because the sums of each digit was under 10!
6 0
3 years ago
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