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3 years ago

For each sentence, drag a word that will make the statement true. Words may be used once or more then once.

Mathematics

1 answer:

vagabundo [1.1K]3 years ago

8 0

Yo sup??

The words that might fit will be

always

sometimes

never

sometimes

Hope this helps.

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( 2 x - 3 ) ( 7 x + 4)

weeeeeb [17]

Answer:5x times -7

Step-by-step explanation:

You ignore the brackets and move the 2x to the other side. Then move the 4 to the other side

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2 years ago

Rosa is trying to copy an angle. She reads and understands all of the steps, but insists on drawing circles instead of arcs. Whi

maksim [4K]

You have the correct answer. It is choice A. Nice work.

I prefer using full circles because sometimes the arcs could be too small in measure to not go where you want them to. If you're worried about things getting too cluttered (a legitimate concern), then I recommend drawing everything in pencil and only doing the circles as faint lines you can erase later. Once the construction is complete, you would go over the stuff you want to keep with a darker pencil, pen or marker. You can also use the circle as a way to trace over an arc if needed.

Choice B is false as a full circle can be constructed with a compass. Simply rotate the compass a full 360 degrees. Any arc is a fractional portion of a circle.

Choice C is false for similar reasoning as choice B, and what I mentioned in the paragraph above.

Choice D contradicts choice A, so we can rule it out. Arcs are easier to draw since it takes less time/energy to rotate only a portion of 360 degrees. Also, as mentioned earlier, having many full circles tend to clutter things up.

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2 years ago

Can you help me with this question?

kirill [66]

Yes

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3 years ago

The decay of 942 mg of an isotope is described by the function A(t)= 942e-0.012t, where t is time in years. Find the amount left

Katarina [22]

$\bf A(t)=942e^{-0.012t}\qquad \boxed{\stackrel{\textit{after 71 years}}{t=71}}\qquad \qquad A(t)=942e^{-0.012(71)}
\\\\\\
A(t)\approx 401.82042087707606813879$

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2 years ago

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antoniya [11.8K]

Answer:

Step-by-step explanation:

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