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Artyom0805 [142]

3 years ago

14

Which of the following scenario could be represented by 2/5?

2 answers:

tigry1 [53]3 years ago

7 0

I think b but not sure

PIT_PIT [208]3 years ago

7 0

Answer: <u><em>C</em></u>

Step-by-step explanation: 2 is the numerator so you are dividing 2 by the denominator which is 5. Equation 2/5. So you can cross out A and B because they start with 5 and we need one that starts with 2. Then you can't divide people so your answer would be C because everything can be divided correctly.

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A 3mL unit dose of levalbuterol HCl contains 0.63mg of active ingredient. If 2 unit doses are used, how many mg of active ingred

Sergio039 [100]

Answer: 0.42 mg

Step-by-step explanation:

Given : A 3mL unit dose of levalbuterol HCl contains 0.63mg of active ingredient.

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So choice C. is right.

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3 years ago

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3 years ago

In ΔLMN, n = 510 cm, l = 820 cm and ∠M=20°. Find ∠L, to the nearest degree

Dafna11 [192]

The angular measure L is : 47°

<h3>What are angles?</h3>

Angles are formed when two lines meet.

Analysis:

Firstly, we calculate for m using cosine rule.

$m^{2}$ = $510^{2}$ + $820^{2}$ -2(510)(820) cos 20

$m^{2}$ = 260100 + 672400 -83600(0.9396)

$m^{2}$ = 146618.56

m = $\sqrt{146618.56}$ = 382.9cm

using sine rule to find ∠L

382.9/sin20 = 820/sinL

sinL = 820sin20/382.9

sinL = 820(0.342)/382.9

sinL = 0.732

L = sin inverse of 0.732 = 47°

In conclusion, ∠L is 47°

Learn more about sine and cosine rule: brainly.com/question/4372174

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