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kvasek [131]
3 years ago
7

What's the measurement of all the missing angles Sum of the angles inside a quadrilateral are 360 Isosceles triangles-ls opp con

gruent sides are congruent
Mathematics
1 answer:
Montano1993 [528]3 years ago
3 0

Answer:

b

Step-by-step explanation:

j

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Suppose the test scores on an exam show a normal distribution with a mean of 82 and a standard deviation of
Zanzabum

Answer:

a) Between 74 and 90

b) 81.86% of the scores are between 78 and 90

Step-by-step explanation:

a) According to the Empirical Rule, in a normal distribution, 95% of the data are within 2 standard deviations of the mean. Therefore, the range that 95% of the scores fall in is between 82-4(2)=74 and 82+4(2)=90.

b) The percent of scores that are between 78 and 90 is: normalcdf(lower,upper,μ,σ) = normalcdf(78,90,82,4) = 0.8185946784 ≈ 0.8186, or about 81.86% of the scores.

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2 years ago
Which of the following is a parent function
agasfer [191]

Answer:

the last one


Step-by-step explanation:


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3 years ago
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2nd

Step-by-step explanation:

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2 years ago
Any help would be nice :)
yaroslaw [1]

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Step-by-step explanation:

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2 years ago
125% of what number is 25
Mazyrski [523]
We can create a equation to find out.

since we are finding a number where when multiplied by 1.25(this is the decimal form of the percentage) gives us 25, we know that the number we are finding is less than 25. here is the equation.

1.25(x)=25

divide both sides by 1.25 to get "x" alone.

x= 20
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3 years ago
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