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grigory [225]
3 years ago
14

Numerical expressions, one half the sum of nine and three

Mathematics
2 answers:
sammy [17]3 years ago
7 0

Answer:

6

Step-by-step explanation:

(1/2)(9 + 3) = (1/2)(12) = 6

nexus9112 [7]3 years ago
5 0

This expression would be best written as follows:

1/2(9 + 3)

There's your answer!

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How long is the arc intersected by a 2pi/3 radian central angle in a circle with radius 7 feet?
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=\frac{43.96}{3}Formula to find the central angle is,

s= r\theta

Where, s = arc length

r = radius

\theta= central angle in radian.

According to the given problem,

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First step is to plug in these values in the above formula. So,

s= 7*\frac{2\pi}{3}

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A number is divided by 3. Then 14 is added to the quotient. The result is 33. What is the orginal number?
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let "a number" = x

a number is divided by 3 => x/3

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Isolate the x. Note the equal sign. What you do to one side you do the other.

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hope this helps

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