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3 years ago

10

Pls help me I dummie lol

2 answers:

vivado [14]3 years ago

6 0

The missing number is -1

sveticcg [70]3 years ago

3 0

Stop calling yourself dummie and other mean words. . And ask the question in the question box, and not saying irrelevant things like that. I see you search every answer u have. Try to do it yourself, look up steps and how to do it on yt or something. Try, at least.

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if I have a binomial distribution where n equals 8 trials and a probability of success equals 0.40 what is the successes of X is

dlinn [17]

P(success) = 0.4 P(failure) = 0.6

8C2 (0.4)² * (0.6)^6

P(2 success) =0.290

5 0

3 years ago

In a laboratory, scientist are performing chemical reactions.the amount of product formed by a reaction can be determined by equ

galina1969 [7]

Answer:

0.25

Step-by-step explanation:

The only constant in the equation is called the "constant of proportionality." Its value is 0.25.

The constant of proportionality is 0.25.

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In an equation of the form ...

y = kx

the constant k is called the <em>constant of proportionality</em>. It's a vocabulary (naming) question.

3 0

4 years ago

9 is subtracted from 3 times the sum of 4 and 2

Len [333]

Answer:

9

Step-by-step explanation:

3 times the sum of 4 and 2 = 3*(4+2)

= 3 * 6

= 18

18 - 9 = 9

8 0

3 years ago

How to find solution to system of equations using substitution?

iris [78.8K]

Well u need to give me the equation and the substitutions for the variables then I can solve it

7 0

3 years ago

What are the possible rational roots of the polynomial equation?<br><br> 0=2x7+3x5−9x2+6

RoseWind [281]

Answer: $\pm\frac{1}{1}, \pm\frac{1}{2},\pm\frac{2}{1},\pm\frac{3}{1}, \pm\frac{3}{2}$

Step-by-step explanation:

We can use the Rational Root Test.

Given a polynomial in the form:

$a_nx^n +a_{n- 1}x^{n - 1} + … + a_1x^1 + a_0 = 0$

Where:

- The coefficients are integers.

- $a_n$ is the leading coeffcient ( $a_n\neq 0$ )

- $a_0$ is the constant term $a_0\neq 0$

Every rational root of the polynomial is in the form:

$\frac{p}{q}=\frac{\pm(factors\ of\ a_0)}{\pm(factors\ of\ a_n)}$

For the case of the given polynomial:

$2x^7+3x^5-9x^2+6=0$

We can observe that:

- Its constant term is 6, with factors 1, 2 and 3.

- Its leading coefficient is 2, with factors 1 and 2.

Then, by Rational Roots Test we get the possible rational roots of this polynomial:

$\frac{p}{q}=\frac{\pm(1,2,3,6)}{\pm(1,2)}=\pm\frac{1}{1}, \pm\frac{1}{2},\pm\frac{2}{1},\pm\frac{3}{1}, \pm\frac{3}{2}$

5 0

3 years ago