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Anastaziya [24]
1 year ago
13

?Order: Add 125 mg of morphine sulfate to DW 250 mL stat. and infuse at 0.005? mg/kg/min.

Mathematics
1 answer:
Elis [28]1 year ago
5 0

Answer:

A. 57 mL/hr

Step-by-step explanation:

Mass of morphine sulfate = 125 mg

DW = 250 mL

Rate of infusion = 0.005 mg/kg/min

Converting to mg/kg/hour

0.005 mg/kg/min×60 = 0.3 mg/kg/hour

For the patient who weighs 95 kilograms

0.3 mg/kg/hour×95 = 28.5 mg/hour

For the mass of 125 mg of morphine sulfate

1 mg

250/150 = 2 ml/mg

Rate of infusion

28.5×2 = 57 mL/hr

∴ Rate of infusion is 57 mL/hr

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A boat sails on a bearing of 038°anf then 5km on a bearing of 067°.
I am Lyosha [343]

This question is not complete

Complete Question

A boat sails 4km on a bearing of 038 degree and then 5km on a bearing of 067 degree.(a)how far is the boat from its starting point.(b) calculate the bearing of the boat from its starting point

Answer:

a)8.717km

b) 54.146°

Step-by-step explanation:

(a)how far is the boat from its starting point.

We solve this question using resultant vectors

= (Rcos θ, Rsinθ + Rcos θ, Rsinθ)

Where

Rcos θ = x

Rsinθ = y

= (4cos38,4sin38) + (5cos67,5sin67)

= (3.152, 2.4626) + (1.9536, 4.6025)

= (5.1056, 7.065)

x = 5.1056

y = 7.065

Distance = √x² + y²

= √(5.1056²+ 7.065²)

= √75.98137636

= √8.7167296826

Approximately = 8.717 km

Therefore, the boat is 8.717km its starting point.

(b)calculate the bearing of the boat from its starting point.

The bearing of the boat is calculated using

tan θ = y/x

tan θ = 7.065/5.1056

θ = arc tan (7.065/5.1056)

= 54.145828196°

θ ≈ 54.146°

7 0
1 year ago
What is the sum of 9.8 and 573.54
Setler79 [48]
583.34 Youre Welcome!
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2 years ago
the driving distance between Manchester and London is 195 miles. Faris intends to travel from Manchester to London by coach. The
Dahasolnce [82]

Answer:

7.24pm

Step-by-step explanation:

196+50=3.9h

0.9h=0.9x60mnt=54mnt

3.9h=3h 54mnt

3:30pm+3h 54mnt

3:30pm+3h 54mnt=7.2pm

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Jose and Maris work for different car dealerships. Jose earns a monthly salary of $3,500 plus a 6% commision on his sales, x. Ma
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Answer:

x>$25000

Step-by-step explanation:

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1 year ago
Ella simplifies (3 b + 4 r) + (negative 2 b minus r) and says the result is b Plus 5r. What error did Ella make? Ella incorrectl
zavuch27 [327]

Answer:

Ella incorrectly combined the r coefficients. The correctly simplified expression is b Plus 3r.

Step-by-step explanation:

(3b+4r)+(-2b-r)

Open the bracket

=3b+4r-2b-r

Combine the like coefficient

=3b-2b+4r-r

=b+3r

Ella incorrectly combined the r coefficients. The correctly simplified expression is b Plus 3r.

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