3 years ago

Pls help me with this

1 answer:

5 0

Answer is C.

3x and 4x² are not like terms, as their exponents do not share the same power (3x has a power of 1, 4x² has a power of 2)

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A hollow cylinder, open at one end, is constructed of thin sheet metal. The total external surface area of the cylinder is 192pi

MrRa [10]

S A = r² π + 2 r π h
192 π = r² π + 2 r π h / : π
192 = r² + 2 r h
2 r h = 192 - r²
h = (192 - r² ) / 2 r
V = r² π h = r² π ( (192 - r² ) / 2 r ) =
= π / 2 ( 192 r - r³ )

7 0

3 years ago

Convert 50 degrees F to K. [?]K

gtnhenbr [62]

Answer: 283.15

Step-by-step explanation: (50°F − 32) × 5/9 + 273.15 = 283.15K

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iren [92.7K]

Answer:

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Step-by-step explanation:

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2 years ago

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Dominik [7]

Up two over one so the slope is 2

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What is angle B? 1. 65° 2. 55° 3. 35° 4. 90°

vfiekz [6]

Answer:

22°

Step-by-step explanation:

what you do is you take the angles 35° and 90°

You add them up, that would be 125°

the actual equation would be

$35+90=180$

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$-125$

------------------

∠ B= 22°

Hope this helps!

Reason this is wrong is i didn't notice the 10 cm

6 0

2 years ago