3 years ago

A ____________________ is a measurement of the change in variables over a specific period of time.

Mathematics

1 answer:

Montano1993 [528]3 years ago

5 0

Answer:

rate of change

Step-by-step explanation:

The rate of change (ROC) is the speed at which a variable changes over a specific period of time.

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Elodia [21]

First, let's only the expression with x stay on the let side: let's add 9 to both sides of the equation.

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which is
$\frac{1}{2}x=-16$

now, let's multiply everything by 2:

$\frac{2}{2} x=-16*2$
$x=-32$

so the answer is -32!

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Rewrite each equation in vertex form by completing the square. Then identify the vertex.

Cerrena [4.2K]

ANSWER

Vertex form:

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Vertex

V(-4,-11)

EXPLANATION

The given expression is

$y = {x}^{2} + 8x + 5$

We complete the square to get the vertex form.

Add and subtract half the square of the coefficient of x.

$y = {x}^{2} + 8x + 16 + 5 - 16$

$y = ( {x + 4)}^{2} - 11$

The vertex is

V(-4,-11)

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Question 2

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Where are the choices

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a company makes these biscuits at a cost of $1.35 per packet. these biscuits are sold for $1.89 per packet. calculate the percen

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Answer:

They Make 50 cents profit a pack

Step-by-step explanation:

1.89-1.35

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