2 years ago

Can someone please help me find the range

Mathematics

1 answer:

defon2 years ago

4 0

Answer:

Step-by-step explanation

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The starting salaries of individuals with an mba degree are normally distributed with a mean of $40,000 and a standard deviation

horsena [70]

<span>With the mean of 40k and standard deviation of 5k, we need to find P(x>=30k). P((30k-40k)/5k) = P(z<-2) = 1-0.0228 which is equal to 0.9772. There is a 97.72% chances that the starting salary will be at least 30k.</span>

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3 years ago

Multiplying a trinomial by a trinomial follows the same steps as multiplying a binomial by a trinomial. Determine the degree and

FinnZ [79.3K]

Answer: Degree of polynomial (highest degree) =4

Maximum possible terms =9

Number of terms in the product = 5

Step-by-step explanation:

A trinomial is a polynomial with 3 terms.

The given product of trinomial: $(x^2 + x + 2)(x^2 - 2x + 3)$

By using distributive property: a(b+c+d)= ab+ac+ad

$(x^2 + x + 2)(x^2 - 2x + 3)=(x^2 + x + 2) x^2+(x^2 + x + 2) (-2x)+(x^2 + x + 2)(3)\\\\=x^2(x^2)+x(x^2)+2(x^2)+x^2 (-2x)+x (-2x)+2 (-2x)+x^2 (3)+x (3)+2 (3)\\\\\\=x^4+x^3+2x^2-2x^3-2x^2-4x+3x^2+3x+6$

Maximum possible terms =9

Combine like terms

$x^4+x^3-2x^3+3x^2-4x+3x+6\\\\=x^4-x^3+3x^2-x+6$

Hence, $\left(x^2\:+\:x\:+\:2\right)\left(x^2\:-\:2x\:+\:3\right)=x^4-x^3+3x^2-x+6$

Degree of polynomial (highest degree) =4

Number of terms = 5

6 0

2 years ago

Seven out of 13 students that apply to Biglarge University will get accepted. If

lawyer [7]

Answer:

6032

Step-by-step explanation:

7 out of 13 are accepted, so in total 0.538 % is accepted.

So 3248 / 0.538 = 6032 students applied.

5 0

3 years ago

What is the equation of the line that is parallel to y = 3x - 1 and goes through the point (0, 9)?

Mrac [35]

Answer:

Step-by-step explanation:

y - 9 = 3(x - 0)

y - 9 = 3x - 0

y = 3x + 9

8 0

2 years ago

The quotient of a number, divided by 3, equals-8

melisa1 [442]

Answer:

x / 3 = -8

Step-by-step explanation:

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2 years ago