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1 year ago

What is 9 divided by 2113

Mathematics

2 answers:

zepelin [54]1 year ago

8 0

That is the answer= 0.00425934

Pepsi [2]1 year ago

7 0

9 divided by 2113 is

0.0042593469

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Use elimination to solve each system of equations. 1/3x-y=-1 and 1/5x-2/5y=-1

Yakvenalex [24]

Answer:

x=−9 and y=−2

Step-by-step explanation:

Multiply the first equation by 2,and multiply the second equation by -5.

2(1/3x−y=−1)

−5(1/5x−2/5y=−1)

Becomes: 2/3x−2y=−2

−x+2y=5

Add these equations to eliminate y:

−1/3 x=3

Then solve −1/3x=3 for x:

−1/3x 3

−1/3 = −1/3

(Divide both sides by (-1)/3)

x=−9

Now that we've found x let's plug it back in to solve for y.

Write down an original equation:

1/3x−y=−1

Substitute−9 for x in 1/3x−y=−1:

1/3(−9)−y=−1

−y−3=−1(Simplify both sides of the equation)

−y−3+3=−1+3(Add 3 to both sides)

−y=2

−y

−1=

−1

(Divide both sides by -1)

y=−2

4 0

3 years ago

ALGEBRAIC EXPRESSIONS AND EQUATIONS

Mariana [72]

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8 0

2 years ago

Astronomers measure large distances in light years. One light-year is the distance that light can travel in one year or approxim

Firlakuza [10]

Answer:

Option C $=8.4672\times10^{13}$

Step-by-step explanation:

Given : Astronomers measure large distances in light years. One light-year is the distance that light can travel in one year or approximately 5,880,000,000,000 miles.

Suppose a star is 14.4 light years from earth.

To find : How many miles away a star is from earth?

Solution :

In 1 light-year the distance a light can travel is = 5,880,000,000,000 miles.

or = $5.88\times 10^{12}$ miles

In 14.4 lights year the distance is $=14.4\times (5.88\times10^{12})$

$=84.672\times10^{12}$

or $=8.4672\times10^{13}$

Therefore, Option C is correct - $=8.4672\times10^{13}$

5 0

3 years ago

Read 2 more answers

Write an addition equation that can help you 9-6 explain your answer

IgorLugansk [536]

6+3=9 because if you put 9-6=3 and they are fact families

5 0

3 years ago

PLESSE HELP!! this question is super hard. it’s due tomorrow and i’m not understanding.

natka813 [3]

I’ll help you out simply look at the coordinates and change them negative like for example A. Would be (2,5) but it wants both coordinates to be negative so it would be (-2,-5)

8 0

3 years ago