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2 years ago

How many minimum squares are there in a net of a cuboid?

Mathematics

1 answer:

liraira [26]2 years ago

3 0

Answer: 6

There are 6 faces to a cube, so there are 6 squares when you unfold it to form the net of the cube. The net is like the wrapping paper.

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16 2/3% of what number is 90?

zysi [14]

Answer:

540

Step-by-step explanation:

90 is 16 2/3% of 540

7 0

3 years ago

X √2 = 6. what is x equal to?

Nikolay [14]

Answer:

Step-by-step explanation:

3 0

3 years ago

How do I solve the equation in an interval from 0 to 2π ? 9 cos 2t = 6

Ivahew [28]

$9\cos(2t)=6\implies\cos(2t)=\dfrac23$

Using the fact that cos is 2π-periodic, we have

$\cos(2t)=\dfrac23\implies2t=\cos^{-1}\left(\dfrac23\right)+2n\pi$

That is, $\cos(\theta+2n\pi)=\cos\theta$ for any $\theta$ and integer $n$ .

$\implies t=\dfrac12\cos^{-1}\left(\dfrac23\right)+n\pi$

We get 2 solutions in the interval [0, 2π] for $n=0$ and $n=1$ ,

$t=\dfrac12\cos^{-1}\left(\dfrac23\right)\text{ and }t=\dfrac12\cos^{-1}\left(\dfrac23\right)+\pi$

4 0

3 years ago

If k represents a number then write an expression for the ratio of 3 less than k to 2 more than k

EleoNora [17]

The key words you should notice when looking at this word problem are “less than.” This means that the order is flipped, so “3 less than k” means “k minus 3.”

The expression for the ratio is k-3:k+3

Hope this helps

3 0

4 years ago

Round each decimal to the nearest one then subtract $3.85-$2.17

Rashid [163]

&4 - $2= $2 You have to round the numbers to the closest one right.

8 0

3 years ago