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labwork [276]
3 years ago
14

10 points! If you are going to answer, actually answer!

Mathematics
2 answers:
lesantik [10]3 years ago
7 0

Answer:

0.03703703703 or

                                                                                                                                 ²/27

sorry i am late but still hope I helped

Step-by-step explanation:

USPshnik [31]3 years ago
5 0

Answer:

1/27

Explanation:-

(1/3)^3=(1x1x1)/(3x3x3)=1/27

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pychu [463]

I'm pretty sure 4/10=40/100

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By what percent will a fraction change if its numerator is decreased by 20% and its denominator is decreased by 60%?
Vedmedyk [2.9K]

Answer:

The fraction will increase by 100%

Step-by-step explanation:

Say the fraction is x/y. The question is telling us to decrease x by 20% (i.e. 0.8x) and to decrease y by 60% (i.e. 0.4y):

= \frac{0.8x}{0.4y}\\= 2 (\frac {x}{y})

You can see that by applying these changes, the new fraction is actually double the old fraction (i.e. will increase by 100%).

6 0
3 years ago
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Find the midpoint of the segment with the following endpoints.<br> (8,5) and (0, -1)
Karo-lina-s [1.5K]

Answer:

(4,2)

Step-by-step explanation:

Midpoint =\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)\\\\\left(x_1,\:y_1\right)=\left(8,\:5\right),\:\\\left(x_2,\:y_2\right)=\left(0,\:-1\right)\\\\=\left(\frac{0+8}{2},\:\frac{-1+5}{2}\right)\\\\= (\frac{8}{2} , \frac{4}{2} )\\\\Simplify\\=\left(4,\:2\right)

6 0
3 years ago
What value makes the equation true? 2(x-5)=20
SashulF [63]

2(x-5)=20

Divide both sides by 2  (division of property equality)

x - 5 = 10

Add 5 to both sides     (addition of property equality)

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Answer

x = 15 is the solution

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A new computer can complete a complex biochemistry calculation in 7 hours less than an older-model computer. Working together, t
Alchen [17]
The rate a computer works is 1/time. Working together, you add the rates.
Let new computer be x, old computer be y.
x = y - 7

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Rounded to nearest tenth gives:
x = 23 hours
6 0
3 years ago
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