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3 years ago

Please help me i beg of u due today

Mathematics

2 answers:

galben [10]3 years ago

5 0

Y=10x+ 5.5 it’s should be D

Vlad1618 [11]3 years ago

4 0

Answer:

y=10x+5.5

this is the answer

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The answer is $875 !!

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3 years ago

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Math is my struggle, I hope I can get an answer soon

mariarad [96]

Yuri is wrong because 28-13 = 15 and 15×12=180 so the answer is B

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3 years ago

The variance of a distribution is 195. What is the standard deveation?

Lera25 [3.4K]

Answer:

13.96

Step-by-step explanation:

Standard deviation is the square root of the variance, so it's

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4 years ago

A rectangular piece of paper is 44 cm long and 20 cm wide. A cylinder is forms by rolling the paper along its length. Find its v

Musya8 [376]

Answer:

3081.24 cm³ (nearest hundredth)

Step-by-step explanation:

<u>Formulas</u>

$\textsf{Circumference of a circle}=\sf 2 \pi r\quad\textsf{(where r is the radius)}$

$\textsf{Volume of a cylinder}=\sf \pi r^2 h \quad\textsf{(where r is the radius and h is the height)}$

If a rectangular piece of paper is rolled along its length to form a cylinder:

circumference = 44 cm
height = 20 cm

To calculate the volume of the formed cylinder, determine the radius by using the circumference formula:

$\implies \sf 2 \pi r = 44$

$\implies \sf r = \dfrac{44}{2 \pi}$

$\implies \sf r =\dfrac{22}{\pi}$

Substitute the round radius into the formula for Volume and solve for V:

$\implies \sf V=\pi \left(\dfrac{22}{\pi}\right)^2(20)$

$\implies \sf V=\pi \left(\dfrac{484}{\pi^2}\right)(20)$

$\implies \sf V=\left(\dfrac{484}{\pi}\right)(20)$

$\implies \sf V=\dfrac{9680}{\pi}$

$\implies \sf V=3081.239698...cm^3$

Therefore, the volume of the cylinder is 3081.24 cm³ (nearest hundredth).

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2 years ago

Write each rate as a unit rate $8 for 2 pounds of rice

Blababa [14]

There would be $4 per lb. hope this helps

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3 years ago

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