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Brrunno [24]
3 years ago
12

B) Complete the frequency polygon

Mathematics
1 answer:
masya89 [10]3 years ago
7 0

Could you explain this better. Maybe in a picture or better format?

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the cost of four scarves and six hats is 52$. the cost of two hats is$1 more then the cost of one scarf. what are the costs of s
Katena32 [7]

Answer:

is thier anwser chocies?

Step-by-step explanation:


7 0
3 years ago
I really need help find x in this triangle
arsen [322]

Answer:

x = 5

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

72 + 6x + 2 + 17x - 9 = 180

23x + 65 = 180 ( subtract 65 from both sides )

23x = 115 ( divide both sides by 23 )

x = 5

5 0
3 years ago
Simply this expression. Which like terms can she combine 12-4x+3
prohojiy [21]

like terms include terms that you can add/sub/mult/div - certain terms..

for example 23 and 7 are like terms, 4x and 56x are like terms....


here-> 12 and 3 are like terms so you can put them together:

12 + 3 - 4x

then you can simplify it:

15 - 4x is your answer (most simplified)

4 0
3 years ago
I need help. can someone help?
iogann1982 [59]
Function B
the slope is actually consistent unlike function a, also if u graphed it out it’s function b
6 0
3 years ago
We wish to construct a 90% confidence interval on the mean of a population known to be normally distributed based on a sample of
sergiy2304 [10]

Answer:

Margin of error = 0.773

Step-by-step explanation:

We are given the following information in the question.

Sample size, n = 20

Sample mean = 8

Sample standard deviation = 2

90% Confidence interval

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.10} = \pm 1.729  

Margin of error:

t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

1.729(\frac{2}{\sqrt{20}} ) = 0.773  

7 0
3 years ago
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