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natka813 [3]
3 years ago
12

Find z. Just write the number. Answer should be a whole number. PLS HELP DUE IN 10 MINS WILL GIVE BRAINLIST

Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0

Answer:

square root of 338 or 18.38

Step-by-step explanation:

since a² and b² are equal, you would do 13² plus 13² then add those and you end up with 338. then you find the square root of 338 which is 18.38477631, or 18.38

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Which property is NOT a property of the algebraic system of polynomials?
mafiozo [28]

Answer:

Since the sum is same, the associative property of addition holds true. Therefore, it can be concluded that the grouping of numbers in any order does not change the sum. Example 6: Consider the algebraic expression, .

Step-by-step explanation:

not sure

7 0
4 years ago
Pleaseee help! No files please. thanks! ASAP!
Ainat [17]

Answer:

b

Step-by-step explanation:

use a protractor to mmeasure it

5 0
2 years ago
A lot of research is conducted on the sleeping habits of U.S. adults. One study reported that X, the amount of sleep per night o
Sergio [31]

Answer:

16% probability that a randomly chosen U.S. adult sleeps more than 8.7 hours per night

Step-by-step explanation:

The Empirical Rule(Standard Deviation) states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 7.5

Standard deviation = 1.2

Using the Standard Deviation Rule, what is the probability that a randomly chosen U.S. adult sleeps more than 8.7 hours per night?

8.7 = 7.5 + 1.2

So 8.7 is one standard deviation above the mean.

By the Empirical Rule, 68% of the measures are within 1 standard deviation of the mean. The other 100-68 = 32% are more than one standard deviation from the mean. Since the normal probability distribution is symmetric, 16% are more than one standard deviation below the mean and 16% are more than one standard deviation above the mean(above 8.7 hours)

So, 16% probability that a randomly chosen U.S. adult sleeps more than 8.7 hours per night

6 0
4 years ago
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lesantik [10]
First and the fourth
8 0
3 years ago
If Hana is puting the fruit she bought into bowls.she bought 8 melons,12 pears,and 24 apples. She puts the same number of peices
kherson [118]

Answer: There are 2 melons, 3 pears and 6 apples in each bowl.

Step-by-step explanation:

Since we have given that

Number of melons = 8

Number of pears = 12

Number of apples = 24

We need to find the number of pieces that Hana can put in each bowl.

For greatest number of pieces = H.C.F. of  8, 12, 24 =4

So, Number of pieces of melons = \dfrac{8}{4}=2

So, Number of pieces of pears = \dfrac{12}{4}=3

So, Number of pieces of apples = \dfrac{24}{4}=6

Hence, there are 2 melons, 3 pears and 6 apples in each bowl.

7 0
4 years ago
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