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sveta [45]
3 years ago
12

Which of these is the algebraic expression for "some number to the power of six?" A.6x B.X+6 C.X^6 D.6^X

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:

C

Step-by-step explanation:

A and B can be removed because they don't have the "^" known as a carrot which symbolizes a number raised to a certain power.

D is wrong because it says 6 is raised to the x power.

C is correct because a value will be raised to the sixth power.

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Mazyrski [523]
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Trigonometry <br><br> its due in 20 minutes help
krek1111 [17]

Answer:

Answer= 17.5 (B)

Step-by-step explanation:

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6 0
3 years ago
The distribution of the scores on a certain exam is ​N(40​,5​), which means that the exam scores are Normally distributed with a
katen-ka-za [31]

Answer:

Step-by-step explanation:

Let x represent the random variable representing the scores in the exam. Given that the scores are normally distributed with a mean of 40 and a standard deviation of 5, the diagram representing the curve and​ the position of the​ mean, the mean plus or minus one standard​ deviation, the mean plus or minus two standard​ deviations, and the mean plus or minus three standard deviations is shown in the attached photo

1 standard deviation = 5

2 standard deviations = 2 × 5 = 10

3 standard deviations = 3 × 5 = 15

1 standard deviation from the mean lies between (40 - 5) and (40 + 5)

2 standard deviations from the mean lies between (40 - 10) and (40 + 10)

3 standard deviations from the mean lies between (40 - 15) and (40 + 15)

b) We would apply the probability for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

From the information given,

µ = 40

σ = 5

the probability that a randomly selected score will be greater than 50 is expressed as

P(x > 50) = 1 - P( ≤ x 50)

For x = 50,

z = (50 - 40)/5 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.98

P(x > 50) = 1 - 0.98 = 0.02

7 0
3 years ago
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Strike441 [17]

Answer:

if i was to guess it would be 96 or 120 this one got me stumped also

Step-by-step explanation:

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Y2 -(-5y?) = ???????
borishaifa [10]
The answer to your question would be y2 +5y.
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3 years ago
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