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2 years ago

F(x)=2(x)^2+5 (x+2) f(2)

Mathematics

1 answer:

ehidna [41]2 years ago

3 0

Answer:

−2x^2+y /10x+20

Step-by-step explanation:

Let's solve for f.

y=2x^2+5(x+2)f(2)

Step 1: Flip the equation.

10fx+2x^2+20f=y

Step 2: Add -2x^2 to both sides.

10fx+2x^2+20f+−2x^2=y+−2x^2

10fx+20f=−2x^2+y

Step 3: Factor out variable f.

f(10x+20)=−2x^2+y

Step 4: Divide both sides by 10x+20.

f(10x+20) /

10x+20

−2x2+y

10x+20

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In 1990, the population of Boston, Massachusetts was 574,283. In 2000, the population was 589,141. What is the percent of change

MrMuchimi

Answer:

Percent of change in population is $2.6$ %

Step-by-step explanation:

Given population of Boston is $574,283$ measured in year $1990$ .

And population of Boston in year $2000$ is $589,141$ .

We need to find percent of change in population.

So, percent change $=\frac{New\ population-Old\ population}{Old\ population}\times100$ %

Here old population is $574,283$ and new population is $589,141$

Plugging these value in formula we get,

Percent change $=\frac{589,141-574,283}{574,283}\times100\\\\=\frac{14858}{574,283}\times100=0.0258\times100\\\\=2.587$

Rounding to nearest tenth 2.6%

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3 years ago

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3 years ago

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Natali5045456 [20]

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2 years ago

1. Suppose you have 62 toothpicks and a bunch of rubber bands.

ehidna [41]

Base-ten units are used to represent numbers in blocks

<h3>How to represent the bundle of toothpicks</h3>

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Bundle = 62

Rewrite as:

Bundle = 60 + 2

Express 60 as a product

Bundle = 6 * 10 + 2

See attachment for the drawing that represents the bundle

<h3>Ways to interpret the 6 in 62</h3>

The 6 in 62 can be interpreted in the following ways

Way 1: 6 tens
Way 2: 60