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2 years ago

Ida pasted a photo of her family into her scrapbook.

Mathematics

1 answer:

balu736 [363]2 years ago

6 0

Answer:

24 inches.

Step-by-step explanation:

To calculate area, you multiply the length and width or whatever you need to calculate area from. 6 times 4 is 24. So, the answer is <u>24 inches</u>.

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Constant rate of change = 4<br> Y -intercept = 7

Levart [38]

Answer:

You would write it like -

y = 7 + 4x

or y = 4x + 7

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Use the graph of f(x) below to estimate the value of f '(3):

klio [65]

Well, looking at the graph, notice, its vertex is at 0,9, and it passes through the points -3,0 and 3,0, so hmm let's use 3,0, to get the equation of f(x)

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------$

$\bf vertex~(0,9)~
\begin{cases}
h=0\\
k=9
\end{cases}\implies y=a(x-0)^2+9
\\\\\\
\textit{we also know that }
\begin{cases}
x=3\\
y=0
\end{cases}\implies 0=a(3-0)^2+9
\\\\\\
-9=9a\implies \cfrac{-9}{9}=a\implies -1=a\quad thus\quad \boxed{y=-x^2+9}
\\\\\\
\left. \cfrac{dy}{dx}=-2x \right|_{x=3}\implies -6$

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3 years ago

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Please say yes or no and tell me the answer

Sauron [17]

Answer:

yes 48 3/5

Step-by-step explanation:

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2 years ago

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Combine like terms to create an equivalent expression.

svetoff [14.1K]

Answer:

2/5m - 1/5

Step-by-step explanation:

distribute the 2 to every term in ()

2(1/5m-2/5) = 2/5m - 4/5

now you have 2/5m -4/5 +3/5

combine like terms variables with variables, non- variables with non-variables. -4/5 + 3/5 = 1/5

2/5m - 1/5

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