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ra1l [238]
2 years ago
11

Is 16 over 5 rational or irrational or not a real number

Mathematics
2 answers:
Semenov [28]2 years ago
8 0
It's rational. When you simplify 16^(1/2) / 5, you get 4/5. Therefore, it's rational. 
kotykmax [81]2 years ago
7 0
16/5= 3 1/5 
Rational
Irrational numbers never end and can't be written as a fraction. Ex. pi
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What is the solution of the system? Use elimination. <br> 3x - 4y = 9<br> -3x + 2y = 9
densk [106]
You add two equations together to eliminate a variable. This particular problem is nice, because it's already setup to eliminate X.

3x - 4y = 9
<span>-3x + 2y = 9
</span>
When we add these two together, 3x - 3x cancels each other out, leaving us with 0x, or nothing.

We continue with -4y + 2y (leaves us with -2y) and 9+9 (18).

-2y = 18

18/-2 = -9.

Now we have y = -9, and we can go back into the problems to solve for x.

<span>3x - 4(-9) = 9
</span>
3x + 36 = 9.

3x = -27

x = -9.

Confirm with the final equation:

-3(-9) + 2(-9) = 9
27 - 18 = 9
9 = 9 --- Confirmed.

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3 years ago
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Debora [2.8K]
5 because if you multiply the previous value by 5, you get the next answer
5 0
3 years ago
I’m need help with the question in general.
navik [9.2K]

Answer:

I Cant  See

Step-by-step explanation:

8 0
2 years ago
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PLZ HELP ASAP WILL MARK BRAINLIEST
RSB [31]

Answer:

72\sqrt{3}

Step-by-step explanation:

The area (A) of a rhombus is calculated as

A = \frac{1}{2} × d₁ × d₂ (d₁ and d₂ are the diagonals )

The diagonals bisect each other at right angles

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Use the tangent ration in the upper left right triangle and the exact value

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tan60° = \frac{opposite}{adjacent} = \frac{opp}{6} = \sqrt{3} ( multiply both sides by 6 )

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Thus

A = \frac{1}{2} × 12 × 12\sqrt{3} = 6 × 12\sqrt{3} = 72\sqrt{3}

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2 years ago
Ynnette can wash 959595 cars in 555 days.<br> How many cars can Lynnette wash in 111111 days?
gavmur [86]

Answer:

192,110,919

Step-by-step explanation:

You would first need to divide 959595 by 555 which would equal 1729. Then you would need to multiply 1729*111111 which would equal 192,110,919.

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