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3 years ago

What is the surface area of a cylinder with base radius 4 and height 5

Mathematics

1 answer:

mestny [16]3 years ago

7 0

A=226.19 A=2πrh+2πr2=2·π·4·5+2·π·42≈226.19467

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This is the graph they gave me to plot it on

Flura [38]

check the picture below.

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3 years ago

Find the surface area of this cube. Be sure to include the correct unit in your answer

alexandr1967 [171]

Answer:

384 inches squared

Step-by-step explanation:

The surface area for one of the sides is 8 x 8 = 64

There are 6 sides so 64 x 6 = 384

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3 years ago

Simplify each algebraic expression by combing like terms 7x^2-5x+10x-8x^2

castortr0y [4]

Answer: -x^2 + 15x

Step-by-step explanation:

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3 years ago

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Simplify the expression below and write it as a single logarithm:

OLEGan [10]

The simplification of 3log(x + 4) – 2log(x – 7) + 5log(x - 2) - log(x^2) is $\log \left(\frac{(x+4)^{3} \times(x-2)^{5}}{(x-7)^{2} \times x^{2}}\right)$

<u>Solution:</u>

Given, expression is $3 \log (x+4)-2 \log (x-7)+5 \log (x-2)-\log \left(x^{2}\right)$

We have to write in as single logarithm by simplifying it.

Now, take the given expression.

$\rightarrow 3 \log (x+4)-2 \log (x-7)+5 \log (x-2)-\log \left(x^{2}\right)$

Rearranging the terms we get,

$\left.\rightarrow 3 \log (x+4)+5 \log (x-2)-2 \log (x-7)+\log \left(x^{2}\right)\right)$

$\text { since a } \times \log b=\log \left(b^{a}\right)$

$\rightarrow \log (x+4)^{3}+\log (x-2)^{5}-\left(\log (x-7)^{2}+\log \left(x^{2}\right)\right)$

$\text { We know that } \log a \times \log b=\log a b$

$\rightarrow \log \left((x+4)^{3} \times(x-2)^{5}\right)-\left(\log \left((x-7)^{2} \times\left(x^{2}\right)\right)\right.$

$\text { We know that } \log a-\log b=\log \frac{a}{b}$

$\rightarrow \log \left(\frac{(x+4)^{3} \times(x-2)^{5}}{(x-7)^{2} \times x^{2}}\right)$

Hence, the simplified form $\rightarrow \log \left(\frac{(x+4)^{3} \times(x-2)^{5}}{(x-7)^{2} \times x^{2}}\right)$

4 0

3 years ago

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Pls help 9y+17 +2 y+98

goldenfox [79]

Answer:

I think it would be 11y +115

Step-by-step explanation

Hope this is right lol

5 0

3 years ago

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