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lorasvet [3.4K]
3 years ago
14

If 75 g of active ingredient powder is mixed with 400 mL NS solution, what is the final concentration? Round to the nearest hund

redths (w/v).
Mathematics
1 answer:
Marina86 [1]3 years ago
5 0

75g/400ml: Simplify per unit

÷ by bottom.

0.1875g/ml nearest hundredth

0.19g/ml

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A sweatshirt costs $35. Find the total cost if the sales tax is 7.75%.
tensa zangetsu [6.8K]

Answer:

37.7125

Step-by-step explanation:

35 * 1.0775

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3 years ago
A circle has a diameter of 26 units. What is the area of the circle to the nearest hundred of a square unit?
Nady [450]

Answer: The area is 530 square units

Step-by-step explanation: The diameter of the circle has been given as 26. That makes the radius 13, that is;

Radius = diameter/2

Radius = 26/2

Radius = 13

The area of a circle is derived by the formula;

Area = pi x r^2

Where pi is 3.14 and r is 13,

Area = (3.14) x 13^2

Area = 3.14 x 169

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Approximately to the nearest hundred of a square unit,

The area of the circle is 530 square units

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3 years ago
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Andrews [41]

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Step-by-step explanation:

6 0
3 years ago
the height of an airplane as it descends to an airport runway is it rational ,integers, whole ,or irrational?
mario62 [17]
Rational. Not whole or integer because its an exact measurement and not irrational because it CAN be expressed as a ratio (fraction, decimal measurement )
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3 years ago
Conan installs windows for a living and has propped his ladder against a customer's
Luden [163]

Answer:

Step-by-step explanation:

By the Pythagorean Theorem

h^2=x^2+y^2

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h^2=8^2+15^2

h^2=64+225

h^2=289

h=17 ft

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3 0
2 years ago
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