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3 years ago

A paper has an area of 84 square inches.what is the paper’s area in square centimeters

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

6 0

Answer:

546

Step-by-step explanation:

Each square inch is equal to 6.5 square centimeters so you can multiply

84 × 6.5 = 546So, the area is 546 square centimeters.

Hope this helps =>

Rainbow [258]3 years ago

5 0

Answer:

$541.93\ cm^2$

Step-by-step explanation:

Step 1: Determine the area in square centimeters

$84\ in^2 * \frac{(2.54\ cm)^2}{in^2}$

$84\ in^2 * \frac{(2.54)^2 * (cm)^2}{in^2}$

$84\ in^2 * \frac{6.4516\ cm^2}{in^2}$

$541.9344\ cm^2$

Answer: $541.93\ cm^2$

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Read 2 more answers

A sine function had an amplitude of 3, period of 6pi, horizontal shift of 3pi/2, & vertical shift of -1.

Simora [160]

Answer: $\bold{y=\dfrac{1}{2}}$

Step-by-step explanation:

f(x) = A sin (Bx - C) + D

amplitude = |A|
period = $\dfrac{2\pi}{B}$
phase shift = $\dfrac{C}{B}$
vertical shift = D

A

amplitude of 3 is given so 3 = |A| → A = ± 3, since it is stated that this is a positive function, then A = 3

B

period of 6π is given so $6\pi=\dfrac{2\pi}{B}\quad \rightarrow \quad B=\dfrac{2\pi}{6\pi}\quad \rightarrow \quad B=\dfrac{1}{3}$

C

$\text{phase shift is given as}\ \dfrac{3\pi}{2}\ \text{so}\ \dfrac{3\pi}{2}=\dfrac{C}{\frac{1}{3}}\quad \rightarrow\quad \dfrac{(\frac{1}{3})3\pi}{2}=C\quad \rightarrow\quad \dfrac{\pi}{2}=C$