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3 years ago

Simplify x^3/x? need help been stuck on this question forever

Mathematics

2 answers:

BlackZzzverrR [31]3 years ago

8 0

x^3/x

= x^(3 - 1)

= x^2

Answer

x^2

GREYUIT [131]3 years ago

7 0

Multiply the exponent of x by 3 giving x^3

The answer is

x^3 evaluates to

To divide by x

Divide by x by subtracting the exponents, and keeping the x, to get

The answer is

x^3/x evaluates to

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Sin(-x)=-sinx for all values x

Allushta [10]

Answer:

True

Step-by-step explanation:

This is just a general property to know, I don't want to prove it LOL

5 0

3 years ago

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"How much do students pay, on average, for textbooks during the first semester in college? From a random sample of 400 students

dezoksy [38]

Answer: The margin of error = 3.71, confidence interval = (354.04, 361.46) and it means that mean cost is lies within the confidence interval.

Step-by-step explanation:

Since we have given that

Sample size = 400

Mean = $357.75

Standard deviation = $37.89

At 95% confidence level, z = 1.96

We first find the margin of error.

Margin of error is given by

$z\times \dfrac{\sigma}{\sqrt{n}}\\\\=1.96\times \dfrac{37.89}{\sqrt{400}}\\\\=3.71$

95% confidence interval would be

$\bar{x}\pm \text{margin of error}\\\\=357.75\pm 3.71\\\\=(357.75-3.71,357.75+3.71)\\\\=(354.04,361.46)$

Hence, the margin of error = 3.71, confidence interval = (354.04, 361.46) and it means that mean cost is lies within the confidence interval.

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3 years ago

There’s a box of cereal

WARRIOR [948]

Answer:

is that a math????????

5 0

3 years ago

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Now let’s practice what you have learned.<br><br><br> Solve the equation.<br> 4y – 4 = 28

laiz [17]

Answer:

Step-by-step explanation:

4y-4=28

4y=28+4

4y=32

y=32/4

y=8

now plug in 8 for y and check the equation true:

4y-4=28

4*(8)-4=28

32-4=28

28=28

So, y is equal to eight 8

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3 years ago

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2 1

iragen [17]

A. (8,4) because you can tell in the second pattern

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3 years ago