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NemiM [27]
3 years ago
7

PLEASE HELP ME WITH THIS QUESTION. please and thank you.

Mathematics
2 answers:
sashaice [31]3 years ago
7 0

3(a+b) and 3a+b: not equivalent

4(x+2y) and 8y+4x: equivalent

aleksandr82 [10.1K]3 years ago
3 0

the first one is not equivelant the second one is equilavent

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valkas [14]

Answer:

volume=509.25 dm^{3}

Step-by-step explanation:

Curved surface area=\frac {237.6}{0.6}=396 dm^{2}=2\pi R(R+H) where R is radius and H is height

Since H=6R then curved surface area=2\pi R(R+6R)=14\pi R^{2}

Therefore,  

396 dm^{2}=14\pi R^{2} and making R the subject

R=\sqrt {\frac {396}{14\pi}}=\sqrt {(9.003622)}= 3.000604 m

Therefore, H=6R=6*3.000604=18.00362 m

Volume=\pi R^{2}H=\pi*3.000604^{2}*18.00362=509.2453 dm^{3}

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6 0
3 years ago
What is the range of the function f (x)=3.2x for the domain (-4, -2, 0, 2, 4)?
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So we don't have to multiply each domain, we just need to find the lowest and highest domain and put it into the equation (since we're just multiplying)
-4 and 4 are the lowest and highest.
3.2×-4=-12.8; this means that when 4 is put into the equation, it will be 12.8 since they're opposites.
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7 0
3 years ago
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John bikes at a speed of 10 miles per hour. His friend Brian is slower, his biking speed is only 8 miles per hour. d Tomorrow bo
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Answer:

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Step-by-step explanation:

Given

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Solution

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Which triangles can not be proved congruent?#37
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Setler79 [48]

Answer:

A

Step-by-step explanation:

hope this helps

7 0
3 years ago
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