2 years ago

Help, please! I need these two answered asap !

Mathematics

1 answer:

Gennadij [26K]2 years ago

7 0

Answer: the first one is 3∛5, the second is 5x⁴y²√2xy

Step-by-step explanation:

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Simplify the following expression

kow [346]

X^4(2x-1)(3x-2)
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2 years ago

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The otherSites Squared10.A cylinder has a diameter of 12 meters and a height of 9 meters. What is thetotal surface area of the c

Gelneren [198K]

The total surface area of a cylinder is given by the formula

$\begin{gathered} A_{cylinder}=2circular\text{ area+curved surface area} \\ =2\pi r^2+2\pi rh \end{gathered}$

Given diameter, d=12meters, we will solve for radius

$\begin{gathered} \text{diameter,d}=2\times radius,r \\ d=2r \\ r=\frac{d}{2} \\ r=\frac{12m}{2} \\ r=6m \end{gathered}$

The height is given as 9meters

Substituting for r and h in the formula will give

$\begin{gathered} A_{cylinder}=2\pi r^2+2\pi rh \\ r=6m;h=9m;\pi=3.14 \\ A_{cylinder}=2\times3.14\times6^2+2\times3.14\times6\times9_{} \end{gathered}$ $\begin{gathered} A_{cylinder}=6.28\times36+6.28\times54 \\ =226.08+339.12 \\ =565.2m^2 \end{gathered}$

Hence the surface area of the cylinder is 565.2m²

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8 months ago

How do i convert from degrees to radians in terms of pi?

Alex787 [66]

Answer:

Formula

1° × π/180 = 0.01745rad

Step-by-step explanation:

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3 years ago

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PLEASE HELPP!<br> A square has an area of 5.76cm². Find the perimeter of the square

nikdorinn [45]

The ar. of square =X^
=5.76
So,X=√5.76
=2.4
now, perimeter of square =4(X)
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So, the perimeter of the square is 9.6cm..

Thanks!

Hope it helps you..

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2 years ago

9) 19, 17, 15, 13, 11,9,7<br>Rule =

hodyreva [135]

Answer:

- 2

Step-by-step explanation:

It's a simple rule, all you are doing is subtracting 2 every time.

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3 years ago

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