Answer:
115
Step-by-step explanation:
Given :
Mean of intelligence score = 100
Standard deviation of intelligence score = 15
Since both are perfectly correlated,
The Zscore ON SAT = +1.0
Using the standard normal interpretation, Xcore on SAT of +1.0 means 1 standard deviation to the right
This means :
Mean + 1 standard deviation
100 + 1*15
= 115
We could use the Zscore formula directly too:
Zscore = (x - mean) / standard deviation
Zscore = +1 ; x = score
Hence, we have
1 = (x - 100) / 15
1 * 15 = x - 100
15 = x- 100
x = 15 + 100
x = 115
First find her salary this year by dividing the amount she saved by the percentage saved:
$4,620 / 0.11 = $42,000
Her salary now is $1000 more than the previous year, so now subtract $1000 from her present salary:
42,000 - 1,000 = $41,000
Answer:
here's your answer
hope this helped you
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Option D: 
is the right answer
Step-by-step explanation:
Given polynomials are:
We have to find the sum of polynomials
So,
Combining like terms
Hence,
Option D: is the right answer
Keywords: Polynomials, sum
Learn more about polynomials at:
#LearnwithBrainly
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