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4 years ago

Please help?? ??????

Mathematics

1 answer:

Ilia_Sergeevich [38]4 years ago

8 0

Given:

Given that the graph of a line with coordinates (-3,2) and (0,-2)

We need to determine the slope of the line parallel to the given line.

Slope:

The slope of the line can be determined using the formula,

$m=\frac{y_2-y_1}{x_2-x_1}$

Substituting the coordinates (-3,2) and (0,-2), we have;

$m=\frac{-2-2}{0+3}$

Simplifying, we get;

$m=-\frac{4}{3}$

Thus, the slope of the given line is $m=-\frac{4}{3}$

Slope of the parallel line:

The parallel lines always have the same slope.

Thus, the slope of the parallel line is $m=-\frac{4}{3}$

Hence, the slope of the parallel line is $m=-\frac{4}{3}$

Therefore, Option c is the correct answer.

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Answer:

The following are the answer to this question:

Step-by-step explanation:

In the given question the numeric value is missing which is defined in the attached file please fine it.

Calculating the probability of the distribution for x:

$\to f(x) = 0.19\ for \ x=14\\\\\to f(x) = 0.29 \ for\ x=7\\\\\to f(x) = 0.38\ for \ x=1\\\\\to f(x)=0.14 \ for \ x=0\\$

The formula for calculating the mean value:

$\bold{ E(X)= x \times f(x)}$

$=14 \times 0.19+7 \times 0.29+1 \times 0.38+0\times 0.14\\\\=2.66 + 2.03+0.38+ 0\\\\=5.07$

$\bold{E(X^2) = x^2 \times f(x)}$

$=14^2 \times 0.19+7^2 \times 0.29+1^2 \times 0.38+0^2 \times 0.14 \\\\=196 \times 0.19+ 49 \times 0.29+1 \times 0.38+0 \times 0.14\\\\= 37.24+ 14.21+ 0.38+0 \\\\=51.83$

use formula for calculating the Variance:

$\to \bold{\text{Variance}= E(X^2) -[E(X)]^2}$

$= 51.83 - (5.07)^2\\\\= 51.83 - 25.70\\\\=26.13$

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Standard Deivation (SD) = $\sqrt{Variance}$

$= \sqrt{26.13} \\\\=5.111$

6 0

4 years ago

What value of x will make this expression equal to 28.1?

Rudiy27

The answer is x=0 I believe because it is the only logical area

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4 years ago

Find the missing factor 6s^2-7s-5=(3s-5)()

victus00 [196]

Answer: 2s + 1

Explanation:

1) Given expression: 6s² - 7s- 5 = (3s - 5) ( )

2) The missing factor ( ) is such that when it is multiplied by (3s - 5) the product is 6s² - 7s- 5.

3) Since the first term of the first factor starts with 3s, the first term of the second factor shall be 2s (since they have to yield 6s²). Then, you can write:

6s² - 7s- 5 = (3s - 5) (2s + )

4) The second term of the missing factor is positive because the product (+)(-) = (-) which is the sign of the third term of the polynomial.

5) The second term is such that when multiplied by - 5 is equal to the last term of the polynomial (also - 5), so this second terms is +1.

And you get: 6s² - 7s- 5 = (3s - 5) (2s + 1)

6) You can expand, using distributive property to confirm the result:

(3s - 5) (2s + 1 ) = (3s)(2s) + (3s)(1) - (5)(2s) -(5)(1) = 6s² - 7s- 5, which confirms the result.

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3 years ago

Quadric formula to solve 9x^2+6x-17=0

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Answer:

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Step-by-step explanation:

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3 years ago

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The answer to your question is: 3 weeks and 3/5 almost 4 weeks

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Learn 5 words per week = 18 / 5

= 3 weeks and 3/5 almost 4 weeks

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4 years ago