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3 years ago

How do I solve this and put it in interval notation?

Mathematics

1 answer:

goblinko [34]3 years ago

8 0

You cannot take the square root of a negative number so the radicals must be greater than or equal to-1.
9-10x≥0
-10x≥-9
x≤9/10

{x|x≤-10}

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Simplify these fractions <br> xy-xz/y-z

Maksim231197 [3]

Answer:

$\frac{xy-xz}{y-z} = x$

Step-by-step explanation:

Hello!

We can simplify the fraction by factoring and canceling out common factors.

<h3>Simplify</h3>

$\frac{xy-xz}{y-z}$
$\frac{x(y - z)}{y-z}$
$\frac{x(\not y\not-\not z)}{\not y \not- \not z}$
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We are left with x as the final simplified form.

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3 years ago

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Answer:

Step-by-step explanation:

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2x+10<br> 5x-15<br> 8x+6<br> 2x-8

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3 years ago

You go to Wal-Mart to buy some holiday candy. You decide to buy snickers because they have a special deal on snickers. A bag

Bogdan [553]

Answer:

The piecewise function is given as follows;

$\begin{cases}C(n) = \$ 3.45 \times n & \text{ if } x< 4 \\ C(n) = \$ 3.00 \times n & \text{ if } x\geq 4 \end{cases}$

Step-by-step explanation:

The given parameters are;

The cost of each bag of snickers = $3.45

The cost of each bag of sneakers when buying 4 or more bags = $3.00

Let "n" be the number of bags of snickers and "C(n)" be the cost of all the snickers purchased

The piecewise function is C(n) = {($3.45 × n) for n < 3

{($3.00 × n) for n ≥ 4

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