3 years ago

Which of the following processes cause minerals to crystallize?

SAT

1 answer:

krok68 [10]3 years ago

4 0

The cooling of magma allows the crystals to harden and crystallize.

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A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n indepe

babymother [125]

Answer:

$P(x = 3) = 0.1700$

Explanation:

Given

$n = 15$

$p = 0.3$

Required

Determine P(x = 3)

This is calculated using:

$P(x) = ^nC_xp^x(1-p)^{n-x}$

So, we have:

$P(x = 3) = ^{15}C_3*0.3^3*(1-0.3)^{15-3}$

$P(x = 3) = ^{15}C_3*0.3^3*(1-0.3)^{12}$

$P(x = 3) = 455 *0.027*(0.7)^{12}$

$P(x = 3) = 455 *0.027*0.0138412872$

$P(x = 3) = 0.17004021325$

$P(x = 3) = 0.1700$

8 0

3 years ago

Which statements are true regarding an individual retirement account? Check all that apply.

Fofino [41]

It would be - People can contribute to the account until retirement age.

Contributions to the account are limited each year.

Contributions can be deducted from federal taxes

7 0

4 years ago

Determine the formula weight of ca(no₃)₂. provide an answer to two decimal places.

Ronch [10]

The formula weight of $Ca(NO_3)_2$ is equal to 136.02 g/mol.

The formula weight of a chemical compound is calculated by adding the atomic masses of each chemical element contained in the compound, while multiplying them by the number of atoms respectively.

From the periodic table, the atomic mass of each chemical element is:

Carbon = 12.0107 u

Nitrogen = 14.0067 u

Oxygen = 15.999 u

Formula weight of $Ca(NO_3)_2$ = $12.0107 + [14.0067+ (15.999 \times3)]\times 2$

$F = 12.0107 + [14.0067+ 47.997] \times 2\\\\F = 12.0107 + 124.0074$

F = 136.02 g/mol.

5 0

3 years ago

The concentration of sodium chloride (58. 4 g/mol) in an aqueous solution that is 2. 23 m and that has a density of 1. 01 g/ml i

prohojiy [21]

Answer:

blank=Density probally

Explanation:

8 0

3 years ago

Suppose the roots of a polynomial are 4.-7, 8, and 9. Which choice is a factor of the polynomial?

Nataly_w [17]

Answer:

Yes

Explanation:

4.-7

3 0

3 years ago