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2 years ago

Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

hammer [34]2 years ago

6 0

Do u still need help?

Tanya [424]2 years ago

4 0

Answer:

44 286 ft²

Step-by-step explanation:

4 686.144+3 600+36 000

=44 286.144

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Factor completely: 2x^3 – 32x

anastassius [24]

$2x^3-32x= \\
2x(x^2-16)= \\
2x(x^2-4^2)= \\
\boxed{2x(x+4)(x-4)} \Leftarrow
\hbox{answer B}$

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3 years ago

If the unit price of flour is $0.20 cents less than the cost of sugar, what is the total cost price for

Oksanka [162]

Answer:

20 cents more than the price of flower

Step-by-step explanation:

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3 years ago

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Due to gravity, objects weigh three times as much on Earth as they do on Mercury.

SpyIntel [72]

Answer:

If an object on Mercury weighed 25lb, it would weigh 75lb on Earth

(25 * 3 = 75)

The answer is b

:")

6 0

3 years ago

The function f(x)=2^x and g(x)=f(x+k). If k=-5,what can be concluded about the graph of g(x)?

melamori03 [73]

$\bf ~~~~~~~~~~~~\textit{function transformations}
\\\\\\
% templates
f(x)= A( Bx+ C)+ D
\\\\
~~~~y= A( Bx+ C)+ D
\\\\
f(x)= A\sqrt{ Bx+ C}+ D
\\\\
f(x)= A(\mathbb{R})^{ Bx+ C}+ D
\\\\
f(x)= A sin\left( B x+ C \right)+ D
\\\\
--------------------$

$\bf \bullet \textit{ stretches or shrinks horizontally by } A\cdot B\\\\
\bullet \textit{ flips it upside-down if } A\textit{ is negative}\\
~~~~~~\textit{reflection over the x-axis}
\\\\
\bullet \textit{ flips it sideways if } B\textit{ is negative}\\
~~~~~~\textit{reflection over the y-axis}
\\\\
\bullet \textit{ horizontal shift by }\frac{ C}{ B}\\
~~~~~~if\ \frac{ C}{ B}\textit{ is negative, to the right}$

$\bf ~~~~~~if\ \frac{ C}{ B}\textit{ is positive, to the left}\\\\
\bullet \textit{ vertical shift by } D\\
~~~~~~if\ D\textit{ is negative, downwards}\\\\
~~~~~~if\ D\textit{ is positive, upwards}\\\\
\bullet \textit{ period of }\frac{2\pi }{ B}$

with that template in mind

$\bf f(x)=2^x\qquad 
\begin{cases}
g(x)=f(x+k)&k=5\\
\qquad\quad f(x+5)\\
\qquad \quad 2^{x+5}
\end{cases}$

notice, in g(x)

B = 1, no change from parent

C= +2

8 0

3 years ago

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If f(x) = log3 (x + 1), what is f−1(2)

ki77a [65]

Firstly, we'll find y = f⁻¹(x):

$f(x)=\log_3(x+1)\\\\
x=\log_3(y+1)\\\\
y+1=3^x\\\\
y=3^x-1\\\\
f^{-1}(x)=3^x-1
$

So:

$f^{-1}(x)=3^x-1\\\\
f^{-1}(2)=3^2-1\\\\
f^{-1}(2)=9-1\\\\
\boxed{f^{-1}(2)=8}$

7 0

3 years ago

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