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masha68 [24]
3 years ago
8

Edith wants to make a paperweight at pottery class. She wants the paperweight to have a pyramid-like shape with a base area of 1

20 square centimeters, and she wants it to weigh 400 grams. The density of the clay she is using is 1.6 grams per cubic centimeter. What should be the height of the paperweight?
Mathematics
2 answers:
vitfil [10]3 years ago
5 0

Answer:

6.25

Step-by-step explanation:

Answer on khan academy correct.

kati45 [8]3 years ago
4 0

Answer:

6.25

Step-by-step explanation:

I did it on Khan dw its correct

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Answer:

I think its D.

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Help! Please this is hard 8th grade
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Combine like terms in Qx + 12 = 13x + P:

x(Q-13) = P-12
                 P-12
Then x = ----------
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Note that Q may not = 13.  But none of the answer choices present Q = 13.

Let's go thru the answer choices one by one.  

                 P-12
         x = ---------- 
                 Q-13
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Check out A:  Q=12 and P= -12:  x = -------- = 24  This is OK (ONE sol'n)
                                                             -1
                                                                   -25
Check out B:  Q = -13 and P = -13:  x = ----------- = 25/26   OK
                                                                    -26
                                                                   13-12
Check out C:  Q = -13 and P = 13:    x = ------------ = -1/26 OK
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Check out D:  Q = 12 and P = 12:      x= ---------- = 0     OK
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It appears that in all four cases, the equation has ONE solution.
3 0
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To find the answer, all we need to do is plug in the slope and point they gave us into the Point Slope Formula!

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y - y_{1} = m ( x - x_{1} )

So lets put them in!

y - 4    =    2/3     (x - (-3))

Tip: remember when you subtract a negative number, it turns into adding !

So our final answer is probably D (I think you may have put a <u>typo</u>)

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The answer is $80 for this question.
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Answer: 102

Step-by-step explanation:

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