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2 years ago

8

Part A There is a function f, where f(n) 1200n+ 3500 represents the number of people in a town who owned a smartphone n years af

ter 2007. How many people owned a smartphone in this town in the year 2010? Enter your answer in the box.

1 answer:

mojhsa [17]2 years ago

3 0

7100 people as of 2010

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Apply the Binomial Theorem to the expression (x^2+1)^2

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Answer:

Step-by-step explanation:

(x^2 +1)(x^2 +1)

x^4 +x^2+x^2 +1

x^4+2x^2 +1 answer

Hope this helps!

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2 years ago

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2 years ago

Combine like terms to create an equivalent expression.<br><br> 17−3(37n−27)71 −3( 73 n− 72)

patriot [66]

Answer:

$\frac{1}{7}-3(\frac{3}{7}n-\frac{2}{7})=1-\frac{9}{7}n$

Step-by-step explanation:

Given : Expression $\frac{1}{7}-3(\frac{3}{7}n-\frac{2}{7})$

To find : Combine like terms to create an equivalent expression ?

Solution :

Step 1 - Write the expression,

$\frac{1}{7}-3(\frac{3}{7}n-\frac{2}{7})$

Step 2 - Apply distributive property, $a(b+c)=ab+ac$

$=\frac{1}{7}-3\times \frac{3}{7}n+3\times \frac{2}{7}$

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Step 3 - Combine like terms,

$=\frac{1}{7}+\frac{6}{7}-\frac{9}{7}n$

$=\frac{1+6}{7}-\frac{9}{7}n$

$=\frac{7}{7}-\frac{9}{7}n$

$=1-\frac{9}{7}n$

Therefore, $\frac{1}{7}-3(\frac{3}{7}n-\frac{2}{7})=1-\frac{9}{7}n$

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2 years ago

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Which CANNOT be used to prove that lines in and n are parallel?

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C.24 is supplementary to 7

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2 years ago

If d=9, what is 24-d ?

defon

15

Explanation: Plug in 9 into d which gives you 24-9. Making it 15.

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2 years ago