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alisha [4.7K]
3 years ago
15

The length of a side of a cube can be determined

Mathematics
1 answer:
seraphim [82]3 years ago
8 0

Answer:

Side of cube = 4 cm

Step-by-step explanation:

Given:

Volume of cube = 64 cm³

Find:

Side of cube

Computation:

Volume of cube = side³

64 = side³

Side of cube = 4 cm

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The net of a cone is composed of a circle and a <br> triangle<br> wedge<br> triangle
jok3333 [9.3K]

Answer:

I would say triangle. But I am not completely sure!

Step-by-step explanation:

Hope this helps!

6 0
2 years ago
Read 2 more answers
Three circles with centers A, B, and C are externally tangent to each other as shown in the figure. Lines EG and DG are tangent
fiasKO [112]
My solution to the problem is as follows:

EC = 15 ... draw CF = 6 (radius) ...use Pythagorean theorem to find EF. 

EF^2 + CF^2 = EC^2 
EF^2 = 15^2 - 6^2 = 189 .... EF = sq root 189 

triangle GDE is similar to CFE ... thus proportional 
GD / ED = CF / EF 
GD / 18 = 6 / (sq root 189) 
<span>GD = 108 / (sq root 189)

I hope my answer has come to your help. God bless and have a nice day ahead!


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5 0
3 years ago
Find the sum for each and present - 66 + 42​
Fed [463]

-24

-66+42

=-24 since it is negative

3 0
3 years ago
Read 2 more answers
3/x^2-1 - 2(x+3) = 5/x+1
weqwewe [10]

Answer:

X=1.132589

Step-by-step explanation:

If im correct the answer would be x=1.132589

3

x2−1

−2(x+3)=

5

x+1

3

(x+1)(x−1)

+−2x−6=

5

x+1

Multiply all terms by (x+1)(x-1) and cancel:

3+(−2x−6)(x+1)(x−1)=5(x−1)

−2x3−6x2+2x+9=5x−5(Simplify both sides of the equation)

−2x3−6x2+2x+9−(5x−5)=5x−5−(5x−5)(Subtract 5x-5 from both sides)

−2x3−6x2−3x+14=0

(Use cubic formula)

x=1.132589

And dont forget to check your answer

3 0
3 years ago
At 6:00 p.m. the temperature was –5°F outside. By midnight the temperature had dropped 12 degrees. What was the temperature at m
USPshnik [31]
-5 - 12 = -17

Starts at -5 degrees, then it drops another 12, so you subtract 12 from -5.
6 0
3 years ago
Read 2 more answers
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