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ipn [44]
3 years ago
8

(7x – 5) – (3x - 2)?

Mathematics
2 answers:
nika2105 [10]3 years ago
7 0

Answer:

4x -3

Step-by-step explanation:

(7x – 5) – (3x - 2)

Distribute the minus sign

(7x – 5) – 3x + 2

Combine like terms

7x -3x    -5 +2

4x -3

zimovet [89]3 years ago
7 0

Answer:

4x-3

Step-by-step explanation:

it's right...

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An airplane pilot can see the top of a traffic control tower at a 20 degree angle of depression. the airplane is 5,000 feet away
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The given question describes a right triangle with with one of the angles as 20 degrees and the side adjacent to the angle 20 degrees is of length 5,000 feet. We are looking for the length of the side opposite the angle 20 degrees.

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Drug B has is to be given 10 mg/kg/day in 2 divided doses. The patient weighs 220 pounds. The pharmacy has 250 mg capsules on ha
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Answer:

a) 996.6 mg

b) 498.96 mg

c) 4

d) 2

Step-by-step explanation:

Given:

Dose to be given = 10 mg/kg/day

Number of dose to be divided = 2

weight of the patient = 220 pounds

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1 pound = 0.453 kg

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weight of the patient = 220 × 0.4536 = 99.792 kg

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or

Amount of Drug patient should receive per day = 10 × 99.792

or

Amount of Drug patient should receive per day = 997.92 mg

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thus,

The amount of drug received per dose = \frac{\textup{Drug received per day}}{\textup{Number of dose per day}}

or

The amount of drug received per dose = \frac{\textup{997.92 mg}}{\textup{2}}

or

The amount of drug received per dose = 498.96 mg

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Thus,

capsules received by patient per day = \frac{\textup{Dose per day in mg}}{\textup{weight of capsule in mg}}  

or

capsules received by patient per day = \frac{\textup{997.92}}{\textup{250}}  

or

capsules received by patient per day = 3.99168 ≈ 4

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or

capsules received by patient per dose = \frac{\textup{498.86}}{\textup{250}}  

or

capsules received by patient per dose = 1.99544 ≈ 2

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