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PIT_PIT [208]
3 years ago
8

Henrietta solved a rational equation. Her work is shown. How could she solve it in a simpler way?

Mathematics
1 answer:
RoseWind [281]3 years ago
4 0

Henrietta solved a rational equation by multiplying both sides by 3x^{2}(x+2) .She did not find the least common multiple of the denominators .If she had find the least common denominator which is 3x(x+2) then the question can have been simplified in more simpler form.

Henrietta can have got rid of denominator and then use the distributive rule .

So the first option

A:She could use the least common multiple of the denominator is right

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The owner of an automobile insures it against damage by purchasing an insurance policy with a deductible of 250. In the event th
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Answer:

Step-by-step explanation:

From the given information:

The uniform distribution can be represented by:

f_x(x) = \dfrac{1}{1500} ; o \le x \le   \  1500

The function of the insurance is:

I(x) = \left \{ {{0, \ \ \ x \le 250} \atop {x -20 , \ \  \ \ \ 250 \le x \le 1500}} \right.

Hence, the variance of the insurance can also be an account forum.

Var [I_{(x}) = E [I^2(x)] - [E(I(x)]^2

here;

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E[I(x)] = \dfrac{1}{1500} \int ^{1500}_{250{ (x- 250) \ dx

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Similarly;

E[I^2(x)] = \int f_x(x) I^2 (x) \ sx

E[I(x)] = \dfrac{1}{1500} \int ^{1500}_{250{ (x- 250)^2 \ dx

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\dfrac{5}{18} \times 1250^2

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Var {I(x)} = 1250^2 \Big [ \dfrac{5}{18} - \dfrac{25}{144}]

Finally, the standard deviation  of the insurance payment is:

= \sqrt{Var(I(x))}

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≅ 404

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3 years ago
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The answers are

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The graph for the question given below.

Learn more about Refrigerator from:

brainly.com/question/13150661

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