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tekilochka [14]
3 years ago
13

Which of the following expressions is equal to x² + 36? *

Mathematics
1 answer:
mash [69]3 years ago
8 0

Answer:

{x}^{2}  + 36 \\ factors : -  6i \: and \: 6 i\\   = {x}^{2}  + 6i - 6i + 36 \\  = (x - 6i)(x - 6i) \\  = ( {x - 6i)}^{2}

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The radius of a sphere is 6 units.
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Answer: 5 radius

Step-by-step explanation: because 6 units- 1 radius

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The equation y−4=-3(x−2) is in point-slope form. which is the slope-intercept form of the equation?
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3 years ago
Last week Andi had exams in Chemistry and in Spanish. On the chemistry exam, the mean was µ = 30 with σ = 5, and Andi had a scor
ValentinkaMS [17]

Answer:

Chemistry

Step-by-step explanation:

To solve the above question, we use the z score formula

Andy took two Exams, Chemistry and Spanish. So we find the z score for both exams.

a) Chemistry Exam

On the chemistry exam, the mean was µ = 30 with σ = 5, and Andi had a score of X = 45

z-score is given as: z = (x-μ)/σ

where x is the raw score,

μ is the population mean

σ is the population standard deviation

z = (x-μ)/σ

z = (45 - 30)/5

z = 15/5

z = 3

b) On the Spanish exam, the mean was µ = 60 with σ = 6 and Andi had a score of X = 65.

z-score is given as: z = (x-μ)/σ

where x is the raw score,

μ is the population mean

σ is the population standard deviation

z = (x-μ)/σ

z = (65 - 60)/6

z = 5/6

z = 0.8333333333

Comparing the z score of both Exams,

Andy had a z score of 3 in the Chemistry exam and 0.8333333333 in the Spanish exam.

Therefore, Andy should be expecting a better grade in the Chemistry exam because his z score in the Chemistry exam was higher than that of the Spanish exam.

7 0
3 years ago
What angel do the minute and hour hands of s clock make at 9:00?
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2 years ago
The coefficient of 9(14)P is _____. <br> 9<br> 14 <br> 126
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The coefficient is 126 because 9 times 14 is 126 
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3 years ago
Read 2 more answers
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