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vekshin1
3 years ago
5

What is the volume of a cube with 1cm on each side

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
3 0
1 cm because 1 cm * 1 cm * 1 cm = 1 cm
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Please help!! I have no idea!!
MAXImum [283]
If sinα=cosß  it means that ß=90-α.  This also means that α+ß=90 so we can say:

4k-22+6k-13=90

10k-35=90

10k=125

k=12.5°

...

The above identity comes up a lot, and is one worth committing to memory for sure.

sinα=cos(90-α) or vice versa cosα=sin(90-α)
4 0
3 years ago
the perimeter of a rectangle is 54 feet, and the length is 13 feet more than the width. Find the width of the rectangle, in feet
zubka84 [21]

Answer:

The width of the rectangle is <u>7 feet</u>.

Step-by-step explanation:

Given:

The perimeter of a rectangle is 54 feet, and the length is 13 feet more than the width.

Now, to find the width of the rectangle.

Let the width be x.

So, the length is 13+x.

Perimeter = 54 feet.

Now, to get the width we put formula:

Perimeter=2(length+width)

54=2(13+x+(x))\\54=2(13+x+x)

54=2(13+2x)

54=26+4x

<em>Subtracting both sides by 26 we get:</em>

28=4x

<em>Dividing both sides by 4 we get:</em>

7=x\\x=7\ feet.

Therefore, the width of the rectangle is 7 feet.

4 0
3 years ago
WILL GIVE BRAINLIESt:
Andreyy89

Answer:

180

Step-by-step explanation:

Area of troiangle=180

A+B+C=180

22+90+B=90

112+B=180

B=180-112

B=68

perimeter=A+B+C

22+90+68=180

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3 years ago
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I believe it is the second one false

Step-by-step explanation:

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monke

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