3 years ago

I would just like to say how happy I have been for getting answers from other people - it's been great!

Mathematics

1 answer:

MatroZZZ [7]3 years ago

8 0

Answer:

Image A could be a Cylinder

Image B is a Tetrahedron

Step-by-step explanation:

Hope this helps : )

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4x−4<8 AND 9x+5>23 Solve for X.

siniylev [52]

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3 years ago

Correct answers only please!

Naily [24]

Answer:

1st Question

A. 85

2nd Question

B. 71

Step-by-step explanation:

1st Question

{90 + 94 + 96 + 90} = 370/4 = 92.5

{95 + 99} = 194/2 = 97

{87 + 75 + 82 + 85} = 329/4 = 82.25

{71} = 71/1 = 71

.20(92.5) +.25(97) +.30(82.25) +.25(71) = 85.175 Rounded-up = 85

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2nd Question

.10(95) +.20(80) +.50(67) +.20(60) = 71

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4 years ago

The new cylinder can has radius of 5cm and a height of 9cm how many square centimeters of aluminum will it take to make this new

m_a_m_a [10]

Answer: $282.85\ cm^2$

Step-by-step explanation:

Given

Radius of cylinder $r=5\ cm$

The height of the cylinder is $h=9\ cm$

The surface area of a cylinder is $2\pi rh$

If only the outer is considered then, the area required is

$\Rightarrow A=2\times \dfrac{22}{7}\times 5\times 9\\\\\Rightarrow A=282.85\ cm^2$

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3 years ago

Betty can travel 61 centimeters in 5 minutes. Please calculate Betty's rate of speed. (round to 2 decimal places)

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Answer:

61/5= 12.2 centimeters per minute

Step-by-step explanation:

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Answer:

No solution is possible from the provided information

Step-by-step explanation:

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