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lana [24]
3 years ago
9

Another submarines dissent can be modeled as Y= -250 X, where why is the vertical position and access time in hours. How long wi

ll it take the submarine to make that I sent
Mathematics
1 answer:
zvonat [6]3 years ago
7 0

Answer:

Step-by-step explanation:

The question is not well structuredand lack some information.

Restructured:

Another submarines dissent can be modeled as Y= -250 X, where Y is the vertical position and X is the. access time in hours. How long will it take the submarine to make dissent of -200ft?.

To get the time taken to dissent -200ft., we will have to substitute

Y = -200ft into the given expression as shown;

Y = -250X

-200 =-250X

Rearrange

-250X = -200

-25X = -20

Divide both sides by -25

-25X/-25 = -20/-25

X = 20/25

X = 4/5 hrs

Convert to minutes

X = 4/5 × 60

X = 4×12

X = 48minutes

Hence submarine will take 48minutes to dissent -200ft

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A dietitian at a hospital wants a patient to have a meal that has 109 grams of protein, 76
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The number of variables and the number of unknowns are equal, therefore, the system can be solved by simultaneous equation

The required number of servings are;

  • Number of servings of salmon steak is <u>1.5 servings</u>
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  • Number of servings of acorn squash is <u>1 serving</u>

Reason:

Given parameter;

Required mass of protein = 109 gram

Required mass of carbohydrate = 76 grams

Required mass of vitamins = 93.5 mg

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Mass of protein in a salmon steak serving = 40 grams

Nutrition value of salmon steak;

Protein = 40 grams

Carbohydrate = 30 grams

Vitamin A. = 1 milligram

Nutrition value of baked eggs;

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Carbohydrate = 2 grams

Vitamin A. = 20 milligrams

Nutrition value of acorn squash;

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Carbohydrate = 25 grams

Vitamin A. = 32 milligrams

Let <em>A</em> represent the amount of serving of salmon steak, let <em>B</em> represent the

number of serving of baked eggs, and let <em>C</em> represent the number of

servings of acorn squash, we have;

40·A + 15·B + 4·C = 109

30·A + 2·B + 25·C = 76

A + 20·B + 32·C = 93.5

Solving the above simultaneous equation with a graphing calculator gives;

A = 1.5, B = 3, C = 1

Therefore, the dietician should provide <u>1.5</u> serving of salmon stake, <u>3</u>

servings of baked eggs, and <u>1</u> serving of acorn squash

Learn more here:

brainly.com/question/19710777

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Step-by-step explanation:

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Step-by-step explanation:

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