3 years ago

Modeling with systems of linear inequalities

Mathematics

1 answer:

NeX [460]3 years ago

8 0

Huh what you mean.....

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Angelo earns $2,080 each month. His total deductions are 30% of his pay. How much is deducted from his pay each month?

Fofino [41]

C. $693.33. Just round. It helps. Round 2,080 to 2,100. Then whats 30% of 2,100? It's easy just think of 21 divided by 3, which equals 7. So, 700 and the closest answers to that is $693.33. That's just the easy way instead of doing the math out. And it is also common sense that B or D wouldn't be it. So your left with C or A. :)

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3 years ago

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What is a fraction of 42 is 7

kramer

$\frac{7}{42}\ of\ 42\ is\ equal\ 7\\\\check:\frac{7}{42}\cdot42=\frac{7}{42}\cdot\frac{42}{1}=\frac{7}{1}=7$

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3 years ago

Which of the following shows 204/72 as mixed number simplest form?

wariber [46]

The simplest form of 204/72
=17/6

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What is the length of the major axis of the conic section shown below?

sveticcg [70]

$\dfrac{(x-2)^2}{49}+\dfrac{(y+5)^2}{36}=1$

The equation of a elipse:

$\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$

The length of the major axis is equal 2a if a > b or 2b if b > a.

We have

$a^2=49\to a=\sqrt{49}=7\\\\b^2=36\to b=\sqrt{36}=6\\\\a > b$

therefore the length of the major axis is equal 2 · 7 = 14.

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4 years ago

Choose the words to finish the sentence. Euler’s Formula states that the of the number of faces and the number of in a polyhedro

AveGali [126]

Answer:

see explanation

Step-by-step explanation:

Euler's formula states that the sum of the number of faces (F) and the number of vertices (V) of a polyhedra is equivalent to two more than the number of its edges (E) , that is

F + V = E + 2

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2 years ago