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3 years ago

Sharlene wraps a cylindrical package that has a height of 15 inches and

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

4 0

Answer:

339.3 cubic inches

Step-by-step explanation:

SA (cyl) = 2πr² + 2πrh

SA = 2(3²)π + 2(3)(15)π

SA = 18π + 90π

SA = 108π

SA ≈ 339.3 in³

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PROVE :<br><br>sin^2(-300°).cos^2 (120)+ cos^2(-240 ).sin^2(390)=1/4

leva [86]

Step-by-step explanation:

$\sin {}^{2} ( - 300) \cos {}^{2} (120) + \cos {}^{2} ( - 240) \sin {}^{2} (390) = \frac{1}{4}$

$\sin {}^{2} (60) \cos {}^{2} ( {}^{} 120) + \cos {}^{2} (120) \sin {}^{2} (30)$

$\frac{3}{4} \frac{1}{4} + \frac{1}{4} \frac{1}{4}$

$\frac{3}{16} + \frac{1}{16} = \frac{4}{16} = \frac{1}{4}$

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2 years ago

Pls help me on this!

salantis [7]

Answer:

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Step-by-step explanation:

You would measure earth's mass is kg and not in g , mg or mcg

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3 years ago

Maulik bought two horses at Rs 40,000 each. He sold one horse at 15% gain, but he to sell the second horse at a loss. If he had

givi [52]

Answer:

Answer is selling price of second horse is Rs 30400.

Step-by-step explanation:

Maulik bought one horse at Rs 40000 and sold it with a gain of 15%

So the selling price of one horse will be 40000+15% of 40000

= 40000+6000

= Rs 46000

Second horse is costing Rs 40000 and had suffered a loss of Rs 3600 on selling both so selling price of both will be = 40000×2-3600

= 80000-3600

= 76400

Now selling price of second horse will be selling price of both - selling price of first = 76400-46000 = Rs 30400

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3 years ago

Read 2 more answers

Please help<br> I am dying from this question<br> Will mark brainiest if answer is given

blagie [28]

Answer:

a) 96/16÷6

b) 31.25/ (2.5)^2=5

c) = V/ pi r^2

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3 years ago

Need Help. Will give brainiest for correct answer with reason/work.

Alexxandr [17]

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y=x^2 is the green line which is a thin "u" like shape. its going up the y axis.

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Step-by-step explanation: I went to desmos calculator and typed in your equation and it automatically gave me this graph. (See Picture for more details.)

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3 years ago