Here is a picture of a cube, and the net of this cube.

Mathematics

2 answers:

dimaraw [331]3 years ago

6 0

Formula: 6x^2
Answer:726

MakcuM [25]3 years ago

4 0

Answer:

The surface area of cube with side measure 11 cm is 726 cm²

Step-by-step explanation:

Given : A cube with side measure 11 cm

We have to find the surface area of the given cube.

We know the surface area of cube is $6a^2$

Where a is the side measure of cube.

Since, given cube has side = 11 cm

Thus, the surface area of cube is $6(11)^2=6\cdot 121$

On simplifying, we get,

Thus, The surface area of cube with side measure 11 cm is 726 cm²

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Find a rational number halfway in between the two numbers. three sevenths and one tenth

strojnjashka [21]

Answer:
The rational number is : 37/140

Explanation:
The first number given is three sevenths which can be written as 3/7
The second number given is one tenth which can be written as 1/10

Now, we want to get the midpoint between these two numbers. The midpoint can be calculated as follows:
midpoint = (first number + second number) / 2
midpoint = [(3/7) + (1/10)] / 2
midpoint = 37/140

Hope this helps :)

4 0

3 years ago

Read 2 more answers

A gymnast dismounts the uneven parallel bars. Her height, h, depends on the time, t, that she is in the air h = −162 + 24t + 16.

dimulka [17.4K]

That is when h=0
so assuming yo meant
h(t)=-16t²+24t+16
solve for t such that h(t)=0
because when height=0, the gymnast hits the ground

so
0=-16t²+24t+16
using math (imma complete the square
0=-16(t²-3/2t)+16
0=-16(t²-3/2t+9/16-9/16)+16
0=-16((t-3/4)²-9/16)+16
0=-16(t-3/4)²+9+16
0=-16(t-3/4)²+25
-25=-16(t-3/4)²
25/16=(t-3/4)²
sqrt both sides
+/-5/4=t-3/4
3/4+/-5/4=t
if we do plus (because minus would give us negative height)
8/4=t
2=t
it takes 2 seconds

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2 years ago

The art teacher has a ball of yarn. She made marks to show where she would cut the yarn to make different size pieces. She then

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Answer:

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