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2 years ago

Using the tax schedule below, which equation would you use to calculate the tax for a couple with taxable income of $188,500?

Mathematics

1 answer:

ZanzabumX [31]2 years ago

8 0

Answer: I think it is B

Step-by-step explanation:

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s the data set “types of fruit at the grocery store” qualitative or quantitative? If it is quantitative, is it discrete or conti

Xelga [282]

Discrete and quantitative is also correct so that makes it discrete

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3 years ago

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Li Juan solves the equation below by first squaring both sides of the equation.

emmasim [6.3K]

-3w + 13
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2 years ago

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Prove that an = 4^n + 2(-1)^nis the solution to

olga nikolaevna [1]

Answer:

See proof below

Step-by-step explanation:

We have to verify that if we substitute $a_n=4^n+2(-1)^n$ in the equation $a_n=3a_{n-1}+4a_{n-2}$ the equality is true.

Let's substitute first in the right hand side:

$3a_{n-1}+4a_{n-2}=3(4^{n-1}+2(-1)^{n-1})+4(4^{n-2}+2(-1)^{n-2})$

Now we use the distributive laws. Also, note that $(-1)^{n-1}=\frac{1}{-1}(-1)^n=(-1)(-1)^{n}$ (this also works when the power is n-2).

$=3(4^{n-1})+6(-1)^{n-1}+4(4^{n-2})+8(-1)^{n-2}$

$=3(4^{n-1})+(-1)(6)(-1)^{n}+4^{n-1}+(-1)^2(8)(-1)^{n}$

$=4(4^{n-1})-6(-1)^{n}+8(-1)^{n}=4^n+2(-1)^n=a_n$

then the sequence solves the recurrence relation.

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3 years ago

What is the equation of the blue line

Sauron [17]

Answer:

y=2x+3

Step-by-step explanation:

Use the equation: y=mx+b

m is the slope (2 in this case)

b is the y intercept (3 in this case)

So the equation of the line would be y=2x+3

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1 year ago

Mike put sports books on 1/3 of his bookshelf. He put history books on 1/4 of the bookshelf . What fraction of the bookshelf did

Shkiper50 [21]

Answer:

66.67% or 2/3

Step-by-step explanation:

He put 1/3 of his sports books on the shelf. Ignore the 1/4 and focus on how much space the sports books are not taking up which would be 1-1/3=2/3 or 66.67%.

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3 years ago