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3 years ago

Find the sum. Express your answer in lowest terms. 3/8+5/12 AAAHHH!!!! Help!!!!!

Mathematics

2 answers:

kozerog [31]3 years ago

7 0

Answer:

Step-by-step explanation:

3/8 + 5/12

3*3 5*2 9/24 + 10/24

_ + =

8*3 12*2

Answer is 19/24

morpeh [17]3 years ago

5 0

Answer:

19/24

Step-by-step explanation:

To write

as a fraction with a common denominator, multiply by

⋅

To write

as a fraction with a common denominator, multiply by

⋅

Write each expression with a common denominator of

, by multiplying each by an appropriate factor of

Tap for fewer steps...

Multiply

and

⋅

Multiply

⋅

Multiply

and

⋅

Multiply

⋅

Combine the numerators over the common denominator.

⋅

Simplify the numerator.

Tap for fewer steps...

Multiply

⋅

Multiply

Add

and

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

0.791

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Nana76 [90]

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8 0

3 years ago

I need help with #11

Troyanec [42]

$\bf \qquad \qquad \qquad \qquad \textit{function transformations}
\\ \quad \\\\

\begin{array}{rllll} 
% left side templates
f(x)=&{{ A}}({{ B}}x+{{ C}})+{{ D}}
\\ \quad \\
y=&{{ A}}({{ B}}x+{{ C}})+{{ D}}
\\ \quad \\
f(x)=&{{ A}}\sqrt{{{ B}}x+{{ C}}}+{{ D}}
\\ \quad \\
f(x)=&{{ A}}(\mathbb{R})^{{{ B}}x+{{ C}}}+{{ D}}
\\ \quad \\
f(x)=&{{ A}} sin\left({{ B }}x+{{ C}} \right)+{{ D}}
\end{array}$

$\bf \begin{array}{llll}
% right side info
\bullet \textit{ stretches or shrinks horizontally by } {{ A}}\cdot {{ B}}\\\\
\bullet \textit{ flips it upside-down if }{{ A}}\textit{ is negative}
\\\\
\bullet \textit{ horizontal shift by }\frac{{{ C}}}{{{ B}}}\\
\qquad if\ \frac{{{ C}}}{{{ B}}}\textit{ is negative, to the right}\\\\
\qquad if\ \frac{{{ C}}}{{{ B}}}\textit{ is positive, to the left}\\\\
\end{array}$

$\bf \begin{array}{llll}


\bullet \textit{ vertical shift by }{{ D}}\\
\qquad if\ {{ D}}\textit{ is negative, downwards}\\\\
\qquad if\ {{ D}}\textit{ is positive, upwards}\\\\
\bullet \textit{ period of }\frac{2\pi }{{{ B}}}
\end{array}$

now, with that template in mind, let's take a peek at this function

$\bf \begin{array}{lllcclll}
y=&2(&1x&-2)^2&-4\\
&\uparrow &\uparrow &\uparrow &\uparrow \\
&A&B&C&D
\end{array}\\\\
-----------------------------\\\\
A\cdot B=2\impliedby \textit{shrunk by a factor of 2, of half-size}\\\\
\cfrac{C}{B}= \cfrac{-2}{1}\implies -2\impliedby \textit{horizontal right shift of 2 units}\\\\
D=-4\impliedby \textit{vertical down shift of 4 units}$

so, the graph of y=2(x-2)²-4, is really the same graph of y=x², BUT, narrower, and moved about horizontally and vertically

8 0

3 years ago

Read 2 more answers

Which expression is equivalent to

lapo4ka [179]

The last one
2j^2/3k^4

6 0

2 years ago