3 years ago

Find the area of the polygon. 12 cm12 cm19 cm The area of the polygon is square centimer

Mathematics

1 answer:

Vilka [71]3 years ago

8 0

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Can someone please help? I’m not very good with cubes. Thanks!

goblinko [34]

Answer:

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Step-by-step explanation:

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3 years ago

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How do i convert 2.3 y/min to ft/s

Mama L [17]

2.3 meters per second = 7.546 feet per second

Formula: multiply the value in meters per second by the conversion factor '3.2808398950087'.

So, 2.3 meters per second = 2.3 × 3.2808398950087 = 7.54593175852 feet per second.

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3 years ago

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HELP PLEASE!!! I need help with this question!

AlexFokin [52]

Answer:

$\large\boxed{PS=10\sqrt5}$

Step-by-step explanation:

ΔPQS, ΔRQP and ΔRPS are similar (AA). Therefore the sides are in proportion:

$\dfrac{QR}{RP}=\dfrac{RP}{RS}$

We have:

$QR=5,\ RS=20$

Substitute:

$\dfrac{5}{RP}=\dfrc{RP}{20}$ cross multiply

$RP^2=(5)(20)\\\\RP^2=100\to RP=\sqrt{100}\\\\RP=10$

Use the Pythagorean theorem:

$PS^2=PR^2+RS^2$

Substitute:

$PS^2=10^2+20^2\\\\PS^2=100+400\\\\PS^2=500\to PS=\sqrt{500}\\\\PS=\sqrt{100\cdot5}\\\\PS=\sqrt{100}\cdot\sqrt5\\\\PS=10\sqrt5$

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3 years ago

Find the value of x. Round to the nearest tenth. Х 9 4 x = [ ?]°

Viefleur [7K]

Answer:

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2 years ago

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lukranit [14]

Answer:

Step-by-step explanation:

(15-4x)+5

(15-4(3))+5

(15-12)+5

3+5=8

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