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3 years ago

WILL MARK BRAINLIEST!!!!

Mathematics

1 answer:

Butoxors [25]3 years ago

4 0

Its prolly B becuz i think u square the answer

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When converting the fraction 7/8 to a decimal the 8 is the _____ In The division problem.

Anna35 [415]

8 is the denominator in the division problem

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3 years ago

Round to the nearest tenth if necessary.

kenny6666 [7]

Answer:

12.1

Step-by-step explanation:

=(−2−9)2+(7−12)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾√

=(−11)2+(−5)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾√

=121+25‾√

=1√46

=12.083046

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3 years ago

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Samantha, each year, reads 5 books during her 8 week break. How many books does she read each week?

yan [13]

Answer:

1 book and 7 tenths of another book

Step-by-step explanation:

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3 years ago

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Gamestop is having a

yawa3891 [41]

Answer:

$59.32

Step-by-step explanation:

Divide $88.99 by 3

$29.66

Then add that to itself

3 0

3 years ago

What is the period of the sinusoid given by y=-4sin( <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%CF%80%7D%7B3%7D%20" id="Te

Sonja [21]

$\bf \qquad \qquad \qquad \qquad \textit{function transformations}
\\ \quad \\
% function transformations for trigonometric functions
\begin{array}{rllll}
% left side templates
f(x)=&{{ A}}sin({{ B}}x+{{ C}})+{{ D}}
\\\\
f(x)=&{{ A}}cos({{ B}}x+{{ C}})+{{ D}}\\\\
f(x)=&{{ A}}tan({{ B}}x+{{ C}})+{{ D}}
\end{array}
\\\\
-------------------\\\\$

$\bf \bullet \textit{ stretches or shrinks}\\
\left. \qquad \right. \textit{horizontally by amplitude } |{{ A}}|\\\\
\bullet \textit{ flips it upside-down if }{{ A}}\textit{ is negative}\\
\left. \qquad \right. \textit{reflection over the x-axis}
\\\\
\bullet \textit{ flips it sideways if }{{ B}}\textit{ is negative}\\
\left. \qquad \right. \textit{reflection over the y-axis}$

$\bf \bullet \textit{ horizontal shift by }\frac{{{ C}}}{{{ B}}}\\
\left. \qquad \right. if\ \frac{{{ C}}}{{{ B}}}\textit{ is negative, to the right}\\\\
\left. \qquad \right. if\ \frac{{{ C}}}{{{ B}}}\textit{ is positive, to the left}\\\\
$

$\bf \bullet \textit{vertical shift by }{{ D}}\\
\left. \qquad \right. if\ {{ D}}\textit{ is negative, downwards}\\\\
\left. \qquad \right. if\ {{ D}}\textit{ is positive, upwards}\\\\
\bullet \textit{function period or frequency}\\
\left. \qquad \right. \frac{2\pi }{{{ B}}}\ for\ cos(\theta),\ sin(\theta),\ sec(\theta),\ csc(\theta)\\\\
\left. \qquad \right. \frac{\pi }{{{ B}}}\ for\ tan(\theta),\ cot(\theta)$

with that template in mind, let's see

$\bf \begin{array}{llll}
y=&-4sin(&\frac{2\pi }{3}x)\\
&A&B
\end{array}\qquad period\implies \cfrac{2\pi }{B}\implies \cfrac{2\pi }{\frac{2\pi }{3}}\implies \cfrac{\frac{2\pi }{1}}{\frac{2\pi }{3}}
\\\\\\
\cfrac{2\pi }{1}\cdot \cfrac{3}{2\pi }\implies 3$

8 0

3 years ago

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