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solong [7]
3 years ago
12

Simplify: 2x^2(4x^3 - 3x^2 + 6x)

Mathematics
1 answer:
Blababa [14]3 years ago
3 0

Answer:

8x

Step-by-step explanation:

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In a statistics mid-term exam graded out of 100 points, the distribution of the exam scores was bi-modal with a mean of 70 point
Mnenie [13.5K]

Answer:

Step-by-step explanation:

Assuming a normal distribution for the distribution of the points scored by students in the exam, the formula for normal distribution is expressed as

z = (x - u)/s

Where

x = points scored by students

u = mean score

s = standard deviation

From the information given,

u = 70 points

s = 10.

We want to find the probability of students scored between 40 points and 100 points. It is expressed as

P(40 lesser than x lesser than or equal to 100)

For x = 40,

z = (40 - 70)/10 =-3.0

Looking at the normal distribution table, the corresponding z score is 0.0135

For x = 100,

z = (100 - 70)/10 =3.0

Looking at the normal distribution table, the corresponding z score is 0.99865

P(40 lesser than x lesser than or equal to 100) = 0.99865 - 0.0135 = 0.98515

The percentage of students scored between 40 points and 100 points will be 0.986 × 100 = 98.4%

4 0
3 years ago
Read 2 more answers
PLEASE I NEED HELP URGENTLLY, AND PLEASE SHOW WORK
kvasek [131]

Answer:

Ok, so I say that the answer is 100

5 0
3 years ago
beth made a batch of blueberry and banana muffins. Each batch is 6 muffins. She makes 2.5 batches of blueberry muffins. How many
Murljashka [212]
The answer should be 7.5 batches of banana. I hope this helps
3 0
3 years ago
Read 2 more answers
Which expression is equivalent to -6(3x-2/3)?
Evgesh-ka [11]
Hello!

-6(3x - 2/3)

Distribute the -6

-18x + 4

The answer is D) -18x + 4

Hope this helps!
6 0
2 years ago
Ans please quickly & correctly question in the photo
LUCKY_DIMON [66]

Answer:

A Standard Drink

Step-by-step explanation:

1/3 = 0.33

1 is 33% of 3 bigger than any other one.

3 0
3 years ago
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