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Ket [755]
2 years ago
7

Which number is rational? ​

Mathematics
1 answer:
Romashka [77]2 years ago
4 0

Answer:

5.3333333...

Step-by-step explanation:

5.\overline3 = \dfrac{53-5}{9} = \dfrac{48}9

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Here is a question for all :)
Schach [20]

Answer:

The circle on the far left is the sum of 4x + 3y and 2x - y so the answer is 4x + 3y + 2x - y = 6x + 2y. The circle on the far left is the sum of x + 4y and something. To find that "something" we can do 4x + 5y - (x + 4y) = 3x + y which is the value of the bottom right rectangle. This means that the value of the bottom circle is 2x - y + 3x + y = 5x.

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3 years ago
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If the diameter of a circle is 3, the circumference of the circle is
QveST [7]

Answer:

3pi or approximately 9.42

Step-by-step explanation:

The diameter is 3

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C = pi *d

C =3 pi

We can approximate pi by 3.14

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5) (4 pts)
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Answer:

range is 9

Step-by-step explanation:

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3 years ago
What is 4x=12? I'm really confused and I don't know how to solve it. :(
Virty [35]

X=3

First, divide both equation sides by 4

Next, divide the values

X=3 :)

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3 years ago
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3y+10x-54=0 5y-2x-34=0<br><br> x=<br><br> y=
Blababa [14]
<h3>Answer:</h3><h2>x = 3 and y = 8 → (3, 8)</h2><h3>Step-by-step explanation:</h3>

\left\{\begin{array}{ccc}3y+10x-54=0&\text{add 54 to both sides}\\5y-2x-34=0&\text{add 34 to both sides}\end{array}\right\\\left\{\begin{array}{ccc}3y+10x=54\\5y-2x=34&\text{multiply both sides by 5}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}3y+10x=54\\25y-10x=170\end{array}\right}\ \ \ \ |\text{add both sides of the equations}\\.\ \ \ \ \ 28y=224\qquad\text{divide both sides by 28}\\.\ \ \ \ \ \ \ \dfrac{28y}{28}=\dfrac{224}{28}\\.\ \ \ \ \ \ \ \boxed{y=8}

\text{put the value of y to the first equation}\\\\3(8)+10x=54\\24+10x=54\qquad\text{subtract 24 from both sides}\\24-24+10x=54-24\\10x=30\qquad\text{divide both sides by 10}\\\dfrac{10x}{10}=\dfrac{30}{10}\\\boxed{x=3}

8 0
3 years ago
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