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3 years ago

If a planet takes longer to travel around the sun, than earth, what has changed?

Mathematics

2 answers:

geniusboy [140]3 years ago

6 0

Answer:

D. The year got longer

Helpful tip:

If the days got longer then the earths rotation on it's axis would have taken longer

Have a nice day:)

Crazy boy [7]3 years ago

4 0

Answer:

the years are longer

Step-by-step explanation:

the planets days and nights length depends on its tilt and rotation speed. so it has nothing to do with that. A and C are wrong

the longer it takes to revolve around the sun the longer the year is, so its not B

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Vika [28.1K]

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3 years ago

A carpenter has a rectangular wooden board. The diagonal of the board is 18 inches long and one side of the board is 12 inches l

BaLLatris [955]

In this question, it is given that the diagonal of the board is 18 inches long and one side of the board is 12 inches long.

Let the other side is of length b inches .

Now we use pythagorean identity, which is

$a^2 + b ^2 = c^2$

Here, a = 12 and c=18

Substituting these values, we will get

$12^2 + b^2 = 18^2 \\ 144 + b ^2 = 324 \\ b^2 = 324-144 \\ b^2 = 180 \\ b= \sqrt{180} \\ b = 13.4164 inches$

And the formula of perimeter is

$Perimeter = 2(Sum\ of \ legs)$

Substituting the values of the two legs, we will get

$Perimeter = 2(12+13.4164) = 50.83 inches$

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3 years ago

Read 2 more answers

IF THREE DIAGONALS ARE DRAWN INSIDE A HEXAGON WITH EACH ONE PASSING THROUGH THE CENTER POINT OF THE HEXAGON, HOW MANY TRIANGLES

frosja888 [35]

Answer: 6 triangles

Step-by-step explanation:

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2 years ago

4x²-y²=171 and 2x-y=9, value of 2x+y

11111nata11111 [884]

So you will need to solve for x and y before evaluating 2x+y....

2x-y=9, y=2x-9 now this will make 4x^2-y^2=171 become:

4x^2-(2x-9)^2=171

4x^2-(4x^2-36x+81)=171

36x-81=171

36x=252

x=7, now we can use 2x-y=9 to solve for y...

2(7)-y=9

14-y=9

-y=-5

y=5

now we know that x=7 and y=5, 2x+y becomes:

2(7)+5

14+5

19

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3 years ago

I NEED HELP!!! 21-22

Nesterboy [21]

21. P=118

21. Q=142

22. P=120

22. R=60

22. S=60

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3 years ago