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xxMikexx [17]
3 years ago
11

What is the volume of the regular pyramid below?

Mathematics
1 answer:
mixer [17]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Hopefully this helps

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Megans room was remodeled. The new area of the room is 175% of the previous area. Only the length of the room changed.
Alex17521 [72]

Answer:

As only the length of the room changed. It means the length of the room is increased by 175%, because of which the area is increased by 175%.

Therefore, the expression become

                                                             \frac{175}{100}\:l\cdot b

                                                             =1.75\:l\cdot b

And the area of Megan's room is increased by 0.75 square meters.

Step-by-step explanation:

  • Let l be the length of the room
  • Let b be the width of the room

So the area of the rectangle will be:

                                                         A=l\cdot \:b

As the statement mentions that the new area of the room is 175%% of the previous area.

So the new area of the room becomes:

                                                                 \frac{175}{100}\:l\cdot b

As only the length of the room changed. It means the length of the room is increased by 175%, because of which the area is increased by 175%.

Therefore, the expression become

                                                             \frac{175}{100}\:l\cdot b

                                                             =1.75\:l\cdot b

also

        \left(1.75\right)l\cdot \:b-\left(1\right)l\cdot \:b

         =0.75\:l\cdot b

so, the area of Megan's room is increased by 0.75 square meters.      

6 0
3 years ago
Which of the following inequalities is correct?
grin007 [14]
<span>Which of the following inequalities is correct?

-9 ≥ -7 is wrong as 9>7 but -9 < -7
-10 > |-10| is wrong as </span>|-10|= 10<span>
6 ≤ |-6| is right cause </span>|-6| =6 and we have 6=6 or <span>6 ≤ |-6|  is also right</span><span>
0 < -13 is totally wrong
Have fun</span>
8 0
3 years ago
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A cell phone provider offers a plan that costs ​$20 per month plus ​$0.20 per text message sent or received. A comparable plan c
Aliun [14]
I’ll might answer it if you gave me part a and b
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Please can you help me with questions 1-6
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1.) -4x-32  2.) -6x-3  3.) -3n-28  4.) -2x-7  5.) ???  6.) 4b-2    (I couldn't figure out #5 sorry)
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Martha measures a side piece of wood. The length is 10 feet and the width is one-half of the
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L = 10 feet
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