Please help me, I need this by today. I will mark as brainliest if you help. Please give correct answer. Thank you very much.

Mathematics

2 answers:

timama [110]2 years ago

6 0

Answer:

it would be decreased by 15% lol

Step-by-step explanation:

Ad libitum [116K]2 years ago

6 0

16.67

hope this helps

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Can't figure it out!!

Zanzabum

$\bf slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ f(x_2)}}-{{ f(x_1)}}}{{{ x_2}}-{{ x_1}}}\impliedby 
\begin{array}{llll}
average\ rate\\
of\ change
\end{array}\\\\
-------------------------------\\\\
f(x)= \cfrac{1}{x} \qquad 
\begin{cases}
x_1=2\\
x_2=b
\end{cases}\implies \cfrac{f(b)-f(2)}{b-2}=-\cfrac{1}{10}
\\\\\\
\cfrac{\frac{1}{b}-\frac{1}{2}}{b-2}=-\cfrac{1}{10}\implies 
\cfrac{\frac{2-b}{2b}}{b-2}=-\cfrac{1}{10}\implies \cfrac{2-b}{2b}=-\cfrac{b-2}{10}
\\\\\\
$

$\bf \cfrac{2-b}{2b}=\cfrac{2-b}{10}\implies 20-10b=4b-2b^2\impliedby cross-multiplying
\\\\\\
2b^2-4b-10b+20=0\implies 2b^2-14b+20=0
\\\\\\
b^2-7b+10=0\implies 
(b-2)(b-5)=0\implies b=
\begin{cases}
\boxed{5}\\
2
\end{cases}$

8 0

2 years ago

Please help! I don't understand this problem.

Andre45 [30]

Answer: 140cm 2

Step-by-step explanation: 8 x 5 = 40 x 4 = 115 + 25 = 140

3 0

2 years ago

Neckst supher hard queshtin<br> whot is 4+4?

snow_tiger [21]

Answer:

Step-by-step explanation: