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Blababa [14]
4 years ago
8

Convert -40° into radians

Mathematics
1 answer:
timurjin [86]4 years ago
8 0

Answer:

(- 2π) / 9 radians

Step-by-step explanation:

The conversion ratio is   \frac{ pi  }{ 180 }        or    π  radians : 180 degrees =  1

-40  degrees  *  (  π radians / 180 degrees) =   (- 2π) / 9 radians

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Probably they never forget to give the Miranda warning.
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Which property of polynomial addition says that the sum of two polynomials
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Answer:

The property of polynomial addition that says that the sum of two polynomial is always a polynomial is called closure property of addition or under addition.

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In mathematics the closure property means that the result of an operation over a kind of "number" will result in a "number" of the same kind.

7 0
4 years ago
A wire 15 cm long is cut into two pieces. The longer piece is 3.cmidonger than the shorter piece.Find the length of the shorter
Andre45 [30]

A piece of wire is cut into two pieces. That means each part would be assigned an unknown variable. Let one part be x and the other part be y.

That means,

x+y=15\operatorname{cm}

If the longer part is x, and the longer part is 3cm longer than the shorter part, then we would have the following;

\begin{gathered} x+y=15 \\ x=y+3 \\ \text{This is because x is 3cm longer,} \\ So\text{ the length of x would be y+3} \end{gathered}

We can now refine the equation as follow;

\begin{gathered} \text{Where;} \\ x=y+3 \\ x+y=15 \\ y+3+y=15 \\ 2y+3=15 \\ \text{Subtract 3 from both sides;} \\ 2y+3-3=15-3 \\ 2y=12 \\ \text{Divide both sides by 2;} \\ \frac{2y}{2}=\frac{12}{2} \\ y=6 \\ \text{When;} \\ x+y=15 \\ x+6=15 \\ \text{Subtract 6 from both sides;} \\ x+6-6=15-6 \\ x=9 \end{gathered}

ANSWER:

The length of the shorter piece of wire is 6cm

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1 year ago
How many tenths are there in 2.7?
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One,,,,,,,,,,,,,,,,,,,,,,

3 0
3 years ago
Read 2 more answers
The aquarium charges an entrance fee of $5 per child and $12 per adult. On one day, 100 people visited the aquarium. They collec
igor_vitrenko [27]

Answer:

We set up 2 equations

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5C = 780 - 40*12

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Number of Children = 60

Step-by-step explanation:

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3 years ago
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