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lukranit [14]
2 years ago
9

A pyramid has a surface area of 24 m^2.

Mathematics
1 answer:
Yuliya22 [10]2 years ago
7 0

Answer:

The replicas will have a surface area of 3 m2, 2.4 m2 and 2 m2.

Step-by-step explanation:

You would have to multiply:

24 x 1/8 = 3

24 x 1/10 = 2.4

24 x 1/12 = 2

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A turntable rotates counterclockwise at 78 rpm. A speck of dust on the turntable is at an initial angular position of 0.45 radia
SashulF [63]

Answer:

Displacement will be 11 revolution and 1.02π radian

Step-by-step explanation:

We have given that initial angular position = 0.45 radian

Angular speed \omega =78rpm=\frac{2\times \pi\times  78}{60}=8.164rad/sec

Time is given as t = 8.8 sec

So angular displacement in 8.8 sec

\Theta =8.8\times \times 8.164=71.8432radian

As he has already covered 0.45 radian

So total angular displacement = 0.45 + 71.8432 = 72.2932 radian

We know that 1 revolution = 2π = 2×3.14 = 6.28 radian

So 11 revolution = 11×6.28 = 69.08 radian

Left dispalcement = 72.2932 - 69.08 = 3.2132 radian = 1.02π radian

3 0
3 years ago
Investigation of a cake box​
Lerok [7]

Answer:

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Step-by-step explanation:

4 0
3 years ago
How many 1/3-​yard long pieces of wood can be cut from​ 1-yard long piece of​ wood?
never [62]

Answer:

3 pieces

I hope this helps

Step-by-step explanation:

X(1/3) = 1

x/3 = 1

X= 1×3 = 3

8 0
3 years ago
What is the product of 5,811 x 102 = ________? <br> 5,811<br> 581,100<br> 581,110<br> 581,200
babunello [35]

Answer:

592,722

Step-by-step explanation: 5,811 x 102 gets 592,722 when you multiply it

plus product means result of multiplication.

Hope this helps :)

4 0
3 years ago
A class did an experiment to see if students could taste water and identify bottled water versus tap water. Each student was pre
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