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andre [41]
3 years ago
7

HELP ME WITH THIS QUESTION THANKS!✔✔

Mathematics
2 answers:
jarptica [38.1K]3 years ago
6 0
-1 9/18, -32/40, 1 8/20
7nadin3 [17]3 years ago
3 0

Answer:

-1 9/18 and then -32/40 and then 1 8/20

Step-by-step explanation:

The largest negatives is the least , then the second to least and then non-negative should be the greatest or the last

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Juan is going to flip a coin 2 times. What is the fractional probability that it will be two heads
sertanlavr [38]

Answer:

The fractional probability of getting 2 heads is 1/4.

4 0
3 years ago
A random sample of size 100 was taken from a population. A 94% confidence interval to estimate the mean of the population was co
Firlakuza [10]

Answer:

Step-by-step explanation:

1) The z value was determined using a normal distribution table. From the normal distribution table, the corresponding z value for a 94% confidence interval is 1.88

The correct option is D

2) if 70% of all internet users experience e-mail fraud. It means that probability of success, p

p = 70/100 = 0.7

q = 1 - p = 1 - 0.7 = 0.3

n = number of selected users = 50

Mean, u = np = 50×0.7 = 35

Standard deviation, u = √npq = √50×0.7×0.3 = 3.24

x = number of internet users

The formula for normal distribution is expressed as

z = (x - u)/s

We want to determine the probability that no more than 25 were victims of e-mail fraud. It is expressed as

P(x lesser than or equal to 25)

The z value will be

z = (25- 35)/3.24 = - 10/3.24 = -3.09

Looking at the normal distribution table, the corresponding z score is 0.001

P(x lesser than or equal to 25) = 0.001

7 0
3 years ago
The product of two even numbers is always divisible by 4 true or false
never [62]

Answer: TRUE

<u>Step-by-step explanation:</u>

an even number is divisible by 2.  

Consider even number j which equals 2a and even number k which equals 2b.  Then the product of these two numbers (j and k) = 2a*2b = 4ab.

4ab is divisible by 4.

BONUS:

The product of three even numbers is divisible by 2³

The product of four even numbers is divisible by 2⁴

The product of five even numbers is divisible by 2⁵

do you see the pattern?

7 0
3 years ago
A 12ft by 15ft rectangular swimming pool has a 3ft wide no slip surface around it. What is the outer perimeter of the no-slip su
ahrayia [7]
First you add 3 twice to both sides of the swimming pool
12 + 6 = 18
15 + 6 = 21

The perimeter is the sum of all sides therefore 

18 + 18 + 21 + 21 = 78

The answer is A
8 0
3 years ago
Read 2 more answers
What is the standard form for circles?
MrRissso [65]

Answer:circles

Step-by-step explanation:

5 0
2 years ago
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