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3 years ago

Find Percent of Change1.) 200 to 500. is the answer 40? if not please explain...

Mathematics

2 answers:

BARSIC [14]3 years ago

8 0

Answer: I think it is

Step-by-step explanation:

madreJ [45]3 years ago

7 0

Answer:

150% increase

Step-by-step explanation:

Calculate percentage change

from V1 = 200 to V2 = 500

(V2−V1)|V1|×100

=(500−200)|200|×100

=300200×100

=1.5×100

=150%change

=150%increase

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3 years ago

a nursery owner buys 7 panes of glass to fix some damage to her greenhouse. The 7 panes cost $16.45. Unfortunately, she breaks 2

kupik [55]

Answer:

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Step-by-step explanation:

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3 years ago

y varies jointly as x and z. y equals 80y=80 when x equals 5x=5 and z equals 4z=4. Find y when x equals 4x=4 and z equals 6z=6.

Lubov Fominskaja [6]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\$

$\bf \textit{\underline{y} varies jointly as \underline{x} and \underline{z}}\implies y=kxz
\\\\\\
\textit{we also know that }
\begin{cases}
y=80\\
x=5\\
z=4
\end{cases}\implies 80=k(5)(4)\implies 80=20k
\\\\\\
\cfrac{80}{20}=k\implies 4=k\qquad thus\qquad \boxed{y=4xz}\\\\
-------------------------------\\\\ if~\begin{cases}
x=4\\
z=6
\end{cases}~\textit{what is \underline{y}?}\qquad y=4(4)(6)$

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4 years ago

Find Percent of Change1.) 200 to 500. is the answer 40? if not please explain...​

Find Percent of Change1.) 200 to 500. is the answer 40? if not please explain...