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4 years ago

Use the given numbers to make each equation true. 3 5 7 -3 -5 -7

Mathematics

1 answer:

gulaghasi [49]4 years ago

4 0

There isn't enough information to answer this question, sorry.

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(1 ÷ x- 1)+(2÷ x+2)=(3÷2) solve and check for extraneous solutions

Sliva [168]

$\frac{1}{x-1}+ \frac{2}{x+2}= \frac{3}{2}$
$\frac{1(x+2)}{(x-1)(x+2)}+ \frac{2(x-1)}{(x+2)(x-1)}= \frac{3(x-1)(x+2)}{2}$
$\frac{x+2+2(x-1)}{(x-1)(x+2)}= \frac{3(x-1)(x+2)}{2}$
$\frac{x+2+2x-1}{(x-1)(x+2)}= \frac{3(x-1)(x+2)}{2}$
$\frac{3x+1}{(x-1)(x+2)}= \frac{3(x^2+x-2)}{2}$
$\frac{}{(x-1)(x+2)}= \frac{3x^2+3x-6)}{2}$
$\frac{3x+1}{(x^2+x-2)}= \frac{3x^2+3x-6)}{2}$
$\frac{2(3x+1)}{2(x^2+x-2)}= \frac{3x^2+3x-6)(x^2+x-2)}{2(x^2+x-2)}$
$\frac{2(3x+1)}{2(x^2+x-2)}-\frac{3x^2+3x-6)(x^2+x-2)}{2(x^2+x-2)}=0$
$\frac{2(3x+1)-3x^2+3x-6}{2(x^2+x-2)}=0$

this will be continued

5 0

4 years ago

If f(x) = 1 – x, which value is equivalent to |f(i)|?l

LenaWriter [7]

Answer:

Square root ( 2 )

Step-by-step explanation:

We have to determine which value is equivalent to | f ( i ) | if the function is: f ( x ) = 1 - x. We know that for the complex number: z = a + b i , the absolute value is: | z | = sqrt( a^2 + b^2 ). In this case: | f ( i )| = | 1 - i |. So: a = 1, b = - 1. | f ( i ) | = sqrt ( 1^2 + ( - 1 )^2) = sqrt ( 1 + 1 ) = sqrt ( 2 ).

3 0

3 years ago

Im so confused how to get the answer.

Nookie1986 [14]

Answer:

Step-by-step explanation:

9 items at $50 each would be 9 × $50 = $450, which is more money than he has.

7 0

3 years ago

Read 2 more answers

Use the protractor tool to measure the angles in the diagram.

Dvinal [7]

Where is your diagram

5 0

3 years ago

Meghan paid $9,212 for medical insurance and also had $5,700 in medical expenses last year. Her medical insurance covered 80% of

Lerok [7]

Answer:

Meghan cannot claim any amount as a medical deduction.

Step-by-step explanation:

Given that:

Amount paid by Meghan for insurance = $9212

Meghan's medical expenses = $5700

Her medical insurance covers 80% of these expenses

Meghan's adjusted gross income = $65,432

Her medical expenses that are not covered under medical insurance is:

$= 5700 \times (1- \dfrac{80}{100})$

$= 5700 \times (0.2)$

= $1140

Similarly, 7.5% of her gross income is;

= 65,432 × (7.5/100)

=$4907.4

Since $1140 < $4907.4

The amount of $1140 does not exceed $4907.4

Thus, Meghan cannot claim any amount as a medical deduction.

7 0

3 years ago