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agasfer [191]
3 years ago
7

Study the Proof Given.

Mathematics
1 answer:
saul85 [17]3 years ago
7 0
2: Midpoint of segment AC is given as B3: Given4: Knowing that AC~=BC, AC~= DE
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Expression 1 is -12x + 3
musickatia [10]

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-12 + 3 - (10x - 15x + 96)

Step-by-step explanation:

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3 years ago
Please help which property is illustrated by this example (5 . 15) . 4 = 5 . (15 . 4)
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Step-by-step explanation:

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3 years ago
In algebra, we often study relationships where a change to one variable causes change in another variable. Describe a situation
Aloiza [94]

a) situation you’re familiar with where one quantity changes constantly in relation to another quantity is Velocity  =  Distance/Time

b)  the velocity is in direct proportion to distance and inverse relation to time.

c) The graph shown by velocity- time is a straight line graph.

<h3>what is algebra?</h3>

Algebra is a branch of mathematics that deals with symbols or variables and uses arithmetic operations (+, –, ×, ÷) to find the unknown quantities represented by these variables.

There is a equation we are familiar with , the equation of motion

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Here, velocity increases or decreases if the distance also increases or decreases. But if time increases velocity decreases.

So, the velocity is in direct proportion to distance and inverse relation to time.

The graph shown by velocity- time is a straight line graph.

Learn more about algebra here:

brainly.com/question/953809

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3 0
1 year ago
A trade in is most closely related to which of the following
katrin2010 [14]
 a trade in is closely related to a down payment because it reduces the amount financed.

5 0
3 years ago
If y varies directly as (x+3) and inversely as (x-3) and y=21 when x=4, what is the equation for y in terms of x?
igor_vitrenko [27]
\bf \qquad \qquad \textit{double proportional variation}&#10;\\\\&#10;\begin{array}{llll}&#10;\textit{\underline{y} varies directly with \underline{x}}\\&#10;\textit{and inversely with \underline{z}}&#10;\end{array}\implies y=\cfrac{kx}{z}\impliedby &#10;\begin{array}{llll}&#10;k=constant\ of\\&#10;\qquad  variation&#10;\end{array}\\\\&#10;-------------------------------\\\\

\bf \textit{\underline{y} varies directly as (x+3) and inversely as (x-3)}\implies y=\cfrac{k(x+3)}{x-3}&#10;\\\\\\&#10;\textit{we also know that }&#10;\begin{cases}&#10;y=21\\&#10;x=4&#10;\end{cases}\implies 21=\cfrac{k(4+3)}{4-3}\implies 21=\cfrac{k(7)}{1}&#10;\\\\\\&#10;\cfrac{21}{7}=k\implies 3=k\qquad thus\qquad \qquad \boxed{y=\cfrac{3(x+3)}{x-3}}
6 0
3 years ago
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