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Triss [41]
4 years ago
8

brand A has a recognition value worth 43 billion more than brand B if the total value of these two brands is 109 billion find th

e value of each of the brands
Mathematics
1 answer:
Zanzabum4 years ago
7 0
This can be solved by systems of linear equations. This problem asked us to find values for brand A and B. As a rule of thumb, the number of unknowns must equal to the number of independent equations. First equation is A = B +43billion  and the second is A + B = 109billion. Solve these equation simultaneously you should get: 
A=76 billion 
B = 33 billion. 
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Answer:

The correct option is (A).

Step-by-step explanation:

The equation for the Estimated Energy Requirement (EER) of 19 or more years older men is:

EER = 662 - (9.53 \times AGE) + PA \times (15.91 \times WT + 539 \times HT)

Here,

AGE = age counted in years

PA = appropriate physical activity factor

WT = weight in kilograms

HT = height in meters

The physical activity factor for men and women is:

Activity Level       PA (men)      PA (Women)

Sedentary              1.00                1.00

    Low                    1.11                1.12

  Active                   1.25                1.27

Very Active              1.48                1.45

Given:

AGE = 22 year-old male college student

PA = low = 1.11

WT = 180 pounds = 81.6466 kg

HT = 5'10" = 1.778 m

Compute the value of EER as follows:

EER = 662 - (9.53 \times AGE) + PA \times (15.91 \times WT + 539 \times HT)

        = 662 - (9.53 \times 22) + 1.11 \times (15.91 \times 81.6466 + 539 \times 1.778)\\\\=662-209.66+1.11\times (1298.997406+958.342)\\\\=452.34+2505.64674066\\\\=2957.98674066\\\\\approx 2962

Thus, the EER for a 22-year-old male college student is approximately 2962 kcal.

The correct option is (A).

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3 years ago
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Answer:

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3 years ago
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viva [34]

Answer:

(-1, -2)

Step-by-step explanation:

Plug (x-1) for y in the first equation:

-4x + 3(x-1) = -2

Simplify:

-4x + 3x - 3 = -2

-x = 1

x = -1

Plug in x=-1 into the second equation:

y = (-1) - 1

y = -2

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Answer:

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Step-by-step explanation:

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3 years ago
Add 8 to the input and then multiplies by 5
pogonyaev

Answer:

y = 5(x + 8)

Step-by-step explanation:

The first step is to add 8 to the input, you get x + 8. Then you need to multiply that number by 5. An equation that represents that is y = 5(x + 8).

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