4 years ago

Write the algebraic expression? The difference of a number x and 1/2

Mathematics

1 answer:

katrin [286]4 years ago

8 0

X - 1/2 because difference is subtraction

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Please help don’t get it

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

One complete turn is 1 perimeter (aka circumference).

We have to find the length it turned, hence, its circumference.

The formula for circumference (C) of a circle is:

$C=2\pi r$

Where r is the radius

The radius is HALF of diameter. Given diameter is 250, the radius is:

r = 250/2 = 125 feet

Now, substituting in formula we have:

$C=2\pi r\\C=2\pi (125)\\C=250\pi\\C=785.4$

So, it turned 785.4 feet with 1 rotation.

The correct answer is A

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3 years ago

Triangle XYZ is reflected across the x-axis, and X = (–11, 8). What are the coordinates of X’ ?

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Answer:

(-11, -8)

Step-by-step explanation:

Reflection across the x-axis changes the sign of the y-coordinate.

For X(-11, 8), the reflected point is X'(-11, -8). (matches the last choice)

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3 years ago

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Answer:

For example, LCM(2,3) = 6 and LCM(6,10) = 30.

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"2 units" is the answer.

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Answer:

$4.5 per hour

Step-by-step explanation:

Hope this was accurate and help full. I hope you have a lovely day!

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