2 years ago

Use the ten frame to make a

Mathematics

1 answer:

FromTheMoon [43]2 years ago

6 0

Answer:6 pens are blue

Step-by-step explanation:because 14-8=6 pens would be left and would be blue

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A game at a county fair has a spinning drum holding 15 colored plastic balls: some white, some green, and some red. Every time t

ANTONII [103]

I would say c

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2 years ago

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What is the phase shift of the graph of y=−sin(x+π/4)+2

butalik [34]

Answer:

π/4

Step-by-step explanation:

x is the variable

-1 inverts the curve

π/4 is the phase shift or x axis offset

2 is the y axis offset

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2 years ago

Does (-2)^n/( 3^n+1) converge or diverge?

hodyreva [135]

$\left|\dfrac{(-2)^n}{3^n+1}\right|=\dfrac{2^n}{3^n+1}$

As $n\to\infty$ , the sequence $a_n=\left(\dfrac23\right)^n$ converges to zero.

If you're talking about the infinite series

$\displaystyle\sum_{n\ge0}\dfrac{(-2)^n}{3^n+1}$

well we've shown by comparison that this series must also converge because we know any geometric series $\sum\limits_n r^n$ will converge as long as $|r|$ .