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3 years ago

7

The percentage of people accessing the internet increased from 61% in 2000 to 83% in 2012 whats the absolute change in percentag

e points

1 answer:

stepladder [879]3 years ago

8 0

Answer: i think the answer is 22% im not sure though

Step-by-step explanation:

but the absolute value means the whole value so just subtract 61% from 83% and that would be 22%. i hope this helps

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(3-4i)(6i+7)-(2-3i)

Sergeu [11.5K]

Answer:

43-7i

Step-by-step explanation:

We are given the expression:

$\displaystyle \large{(3 - 4i)(6i + 7) - (2 - 3i)}$

First, expand 3-4i in 6i+7. To expand binomial with binomial, first we expand 3 in 6i+7 then expand -4i in 6i+7.

$\displaystyle \large{[(3 \cdot 6i) + (3 \cdot 7) + ( - 4i \cdot 6i) + ( - 4i \cdot 7)]- (2 - 3i)} \\ \displaystyle \large{[18i + 21 - 24 {i}^{2} - 28i]- (2 - 3i)}$

Now combine like terms.

$\displaystyle \large{[ - 10i+ 21 - 24 {i}^{2} ]- (2 - 3i)}$

<u>I</u><u>m</u><u>a</u><u>g</u><u>i</u><u>n</u><u>a</u><u>r</u><u>y</u><u> </u><u>U</u><u>n</u><u>i</u><u>t</u>

$\displaystyle \large{i = \sqrt{ - 1} } \\ \displaystyle \large{ {i}^{2} = - 1 }$

Therefore:-

$\displaystyle \large{[ - 10i+ 21 - 24 ( - 1) ]- (2 - 3i)} \\ \displaystyle \large{[ - 10i+ 21 + 24]- (2 - 3i)} \\ \displaystyle \large{[ - 10i+ 45]- (2 - 3i)}$

Then expand negative sign in 2-3i; remember that negative times negative is positive and negative times positive is negative.

$\displaystyle \large{- 10i+ 45 - (2 - 3i)} \\ \displaystyle \large{- 10i+ 45 - 2 + 3i}$

Combine like terms.

$\displaystyle \large{43 - 7i}$

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2 years ago

Each member of a nine-person committee attends any given meeting of the committee with probability 1/2. What is the probability

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3 years ago

Complete the equation <br> 9/4= ? ÷ by 4

Stells [14]

Answer:

$9$

Step-by-step explanation:

$9/4$ can be said as " $9$ divided by $4$ ", so the ? is $9$ .

8 0

2 years ago

Three different ways to put 6(3x + 8) + 32 + 12x

Sever21 [200]

Answer:

<em>Writing 6(3x + 8) + 32 + 12x in 3 different ways:</em>

w₁ = 18x + 48 + 32 + 12x

∵ 6(3x + 8) = 18x +48 as distribute law suggests that a(b + c) = ab + ac

w₂ = 18x + 80 + 12x ∵ 48 + 32 = 80

w₂ = 30x + 80 ∵ 18x + 12x = 30x

Step-by-step explanation:

As the expression is 6(3x + 8) + 32 + 12x, and we have to write it in three different ways. Using the properties of operations we can write it in three different ways,

Let way one be denoted as w₁

Let way two be denoted as w₂

Let way three be denoted as w₃

So, lets write 6(3x + 8) + 32 + 12x in 3 different ways:

w₁ = 18x + 48 + 32 + 12x

∵ 6(3x + 8) = 18x +48 as distribute law suggests that a(b + c) = ab + ac

w₂ = 18x + 80 + 12x ∵ 48 + 32 = 80

w₂ = 30x + 80 ∵ 18x + 12x = 30x

<em>Keywords: operation properties, distributive law</em>

<em>Learn more about operation properties from brainly.com/question/13754344</em>

<em>#learnwithBrainly</em>

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3 years ago

Which numbers are divisible by 9

tankabanditka [31]

<span>A number is divisible by 9, if the sum is a multiple of 9 or if the sum of its digits is divisible by 9.

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3 years ago

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