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Gala2k [10]
3 years ago
7

Subtract (3x^3+4x^2)-(2x^3+3x^2-x)

Mathematics
1 answer:
insens350 [35]3 years ago
4 0

Answer:

X^3 + x^2 + x

Step-by-step explanation:

First, distribute the negative sign to the numbers in the second parentheses. Then you’ll need to combine like terms.

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How to factor out expressions
Brut [27]

To factor an expression:

1: find a common factor

2: divide a common factor by a term

3: divide any other terms after putting in parenthesis

4: simplify


Sorry if I just confused you. >///< Ty for reading.

6 0
3 years ago
Assume the random variable X is normally distributed with mean muequals50 and standard deviation sigmaequals7. Find the 87 th pe
serious [3.7K]

Answer:

  57.885

Step-by-step explanation:

For such calculations a probability calculator is very helpful. The one in the attachment shows the 87th percentile to be 57.885.

___

A table of the standard normal distribution will tell you the 87th percentile corresponds to a z-value of 1.12639. Then the X value is ...

  X = Zσ +μ = 1.12639(7) +50 = 57.885

7 0
3 years ago
Haley is 41 years old. Haley is 15 years less than seven times Marcy's age. How old is Marcie
blondinia [14]
Harley is 15 years less than seven times Marcy's age, so that means Haley + 15 = 7 * Marcy

Equation: (41 + 15) / 7 = 56 / 7 = 8

Marcy's age is 8.

Hope this helped =)
4 0
3 years ago
What is the measure of AngleJHG?
Doss [256]
There is no attachment so we don’t know what this angle is.
5 0
3 years ago
What is the area of the donut?
mrs_skeptik [129]

6 x 4=24 so the area of the donut 24 which is the answer to the question

8 0
2 years ago
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