2 years ago

For this graph, mark the statements that are true.

Mathematics

1 answer:

Goshia [24]2 years ago

4 0

Answer:

Step-by-step explanation:

Just answer it

BBSJSSJJSNSNNSOAOOALAKA

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Classify each scale factor as a contraction or an expansion. <br><br> 3/2, 1/3, 4, 2/5, 4/3, 1/4.

DaniilM [7]

The question is asking to state if those following scale factors are consider as contraction or expansion, base on my research and further analysis, the possible answer are the following:
3/2 expansion
1/3 contraction
4 contraction
2/5 contraction
4/3 expansion
1/4 contraction

I hope you are satisfied with my answer and feel free to ask for more if you have question and further clarifications

8 0

2 years ago

Given the relationship x2 + 3y2 =12, with y > 0 and dx, dt = 2 units/min., find the value of dy, dt at the instant y = 1 unit

matrenka [14]

$\bf x^2+3y^2=12\implies \stackrel{chain~rule}{2x\cfrac{dx}{dt}}+3 \stackrel{chain~rule}{\left(2y\cfrac{dy}{dt}\right)}=0
\\\\\\
2x\cfrac{dx}{dt}+6y\cfrac{dy}{dt}=0
\implies 
6y\cfrac{dy}{dt}=-2x\cfrac{dx}{dt}\implies \cfrac{dy}{dt}=\cfrac{-2x\frac{dx}{dt}}{
6y\frac{dy}{dt}}
\\\\\\
\boxed{\cfrac{dy}{dt}=-\cfrac{x\frac{dx}{dt}}{3y}}\\\\
-------------------------------$

$\bf \textit{now, when y = 1, what is \underline{x}?}\qquad x^2+3y^2=12\implies x^2+3(1)^2=12
\\\\\\
x^2=9\implies x=\sqrt{9}\implies x=3\\\\
-------------------------------\\\\
\begin{cases}
y=1\\
x=3\\
\frac{dx}{dt}=2
\end{cases}\implies \cfrac{dy}{dt}=-\cfrac{3\cdot 2}{3\cdot 1}\implies \cfrac{dy}{dt}=-2$

7 0

2 years ago

Please help asap please..ill give Brainliest

kompoz [17]

Answer:

There are no solutions

Step-by-step explanation:

Because the lines are parallel, they will never meet, meaning there are no solutions to this system of equations

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2 years ago

Sarah started with 50 dollars in her bank account. Each month, she puts 25 more dollars in her account. The amount of money in d

Basile [38]

D=25m+50

D=(25)(8)+50

D=200+50

D=250

There will be $250 after 8 months.

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2 years ago

Read 2 more answers

Help me please (look the picture)

umka2103 [35]

You add 1 to the numerator each time

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3 years ago