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Aleks04 [339]
3 years ago
5

The standard deviation of a population is 3.2. What is the margin of error?

Mathematics
2 answers:
Reptile [31]3 years ago
6 0
Margin of error is 0.783985593816022
seropon [69]3 years ago
5 0

Answer:

6.4

Step-by-step explanation:

took the test

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Which equation does not represent a function? Why? A) y = x2; There are two outputs for each input. B) y2 = 4x; There are two ou
natita [175]

Answer:

B) y² = 4x; There are two outputs for each input

Step-by-step explanation:

For an equation to be called a function, the input values for x must only result in a single output for y.

Based on this definition if a function, the functions y = x², y = -x and y = x are all functions because for any value of x imputed in them, we can only get one equivalent value of y.

The only exception is the function y²= 4x

For this function, for any value of x, there will be more than one output for y. Take x = 1 for example

y² = 4(1)

y² = 4

y = ±√4

y = ±2

This shows that y = 2 and -2

Also if x = 4

y² = 4(4)

y² = 16

y = ±√16

y = ±4

y = 4 and -4

No matter the value of x imputed, the output value y will always be two (a positive and a negative value)

Hence, option B is correct.

3 0
3 years ago
mr stephens needs to haul 1,518 tons of rocks from a construction site. His dump truck can hold 26 ton per load. how many tons w
lisov135 [29]

Answer:

10

Step-by-step explanation:

1518 divided by 26 is 58 remainder 10.

... 1518 = 26×58 + 10 = 1508 + 10

Mr. Stephens will make 58 trips with a full load. After that, 10 tons of rock will remain.

6 0
2 years ago
Find the lcm of 8 and 56
nalin [4]
8=8,16,24,32,40,48,and so on
56= 56, 112, 168
6 0
2 years ago
If 2+root3/2-root/3 + 2-root3/2+root3 =a+b root3 find the values of a and b
andreyandreev [35.5K]
To solve for 2 variables, you need 2 equations. The best you could do with only one equation would be to find 'a' in terms of 'b'. Just looking it over and without putting pen to paper, it looks to me like one possible solution is [ a = 4, b = 0 ].
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3 years ago
Can some one plz help me with my geometry home work I really need help pleaseee
irga5000 [103]

Answer:

What Do you need help with?

Step-by-step explanation:

7 0
2 years ago
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