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kaheart [24]
3 years ago
10

A cube is cut into 8 smaller cubes of the same size. What is the ratio of the smaller cube's surface area to the original cube's

surface area?
Mathematics
2 answers:
Otrada [13]3 years ago
7 0
The surface area will be 1/8.
GenaCL600 [577]3 years ago
3 0

Answer:

the smaller cubes surface area is 1/8 the surface area of the original cube

Step-by-step explanation:

one cube = 1

one cube cut (divided) into 8 pieces= 1 divided by 8

1 divided by 8 can also be written as a fraction as 1/8

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A wire is strung from the top of a pile to a point on the ground. The length of the wire is 100 ft. The angle of depression from
Volgvan

Answer:

no clue

Step-by-step explanation:

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8 0
3 years ago
An airplane travels 6111 kilometers against the wind in 9 hours and 7911 kilometers with the wind in the same amount of time. Wh
natima [27]

Answer:

Speed of the plane in still air: 779\; {\rm km \cdot h^{-1}}.

Windspeed: 100\; {\rm km \cdot h^{-1}}.

Step-by-step explanation:

Assume that x\; {\rm km \cdot h^{-1}} is the speed of the plane in still air, and that y\; {\rm km \cdot h^{-1}} is the speed of the wind.

  • When the plane is travelling against wind, the ground speed of this plane (speed of the plane relative to the ground) would be (x - y)\; {\rm km \cdot h^{-1}}.
  • When this plane is travelling in the same direction as the wind, the ground speed of this plane would be (x + y)\; {\rm km \cdot h^{-1}}.

The question states that when going against the wind (v = (x - y)\; {\rm km \cdot h^{-1}},) the plane travels 6111\; {\rm km} in 9\; {\rm h}. Hence, 9\, (x - y) = 6111.

Similarly, since the plane travels 7911\; {\rm km} in 9\; {\rm h} when travelling in the same direction as the wind (v = (x + y)\; {\rm km \cdot h^{-1}},) 9\, (x + y) = 7911.

Add the two equations to eliminate y. Subtract the second equation from the first to eliminate x. Solve this system of equations for x and y: x = 779 and y = 100.

Hence, the speed of this plane in still air would be 779\; {\rm km \cdot h^{-1}}, whereas the speed of the wind would be 100\; {\rm km \cdot h^{-1}}.

3 0
1 year ago
Please help! Only respond if known 100% (Don't mind my handwriting)​
lapo4ka [179]

Answer:

Yes the y-intercept is -1 so True

Yes the rate of change or slope is 2 so True

And Yes the equation is not y=2x+1 it is suppose to be y=2x-1 so False

Step-by-step explanation:

Hope this Helps!

7 0
2 years ago
Read 2 more answers
Stanley bought some tins and decided to fill them with brownies to give to his friends. Stanley baked 471 brownies. He put 9 bro
Temka [501]

3 brownies left over :) he filled 52 tins

8 0
3 years ago
Need help on this please
madam [21]
A. x= 2 y=4

Hoped this is correct.
5 0
3 years ago
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