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4 years ago

ANSWER FAST WITH WORK p2+7p divided by 3 for p=5

Mathematics

1 answer:

Marina CMI [18]4 years ago

6 0

Answer:

Step-by-step explanation:

I must assume that you meant

p^2 + 7p

---------------

If p = 5, then this expression becomes:

5^2 + 7(5) 25 + 35

------------------ = -------------- = 60/3 = 20

3 3

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(6+√25)/(4-√3) can be written in the form of (2+s√3)/13 where r and s are both integers what are the values of r and s

cestrela7 [59]

Answer:

r = 33

s = 18

Step-by-step explanation:

Given expression is $\frac{6+\sqrt{27}}{4-\sqrt{3}}$ .

Multiply numerator and denominator with the conjugate of (4 - √3).

$\frac{(6+\sqrt{27})(4+\sqrt{3})}{(4-\sqrt{3})(4+\sqrt{3})}$

= $\frac{4(6+\sqrt{27})+\sqrt{3}(6+\sqrt{27})}{4^{2}-(\sqrt{3})^2}$

= $\frac{24+4\sqrt{27}+6\sqrt{3}+\sqrt{81})}{16-3}$

= $\frac{24+12\sqrt{3}+6\sqrt{3}+\sqrt{81})}{16-3}$

= $\frac{24+18\sqrt{3}+9}{13}$

= $\frac{33+18\sqrt{3}}{13}$

Now compare this expression with $\frac{r+s\sqrt{3} }{13}$

r = 33

s = 18

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3 years ago

if the height and radius of cylinder are 35cm and 14cm respectively then fund its curved surface area

lbvjy [14]

<h2>Answer:</h2>

<h3>total surface area=2π(14×14)+2π14×35</h3><h3>total surface area=2π(14×14)+2π14×35 =4308.08 sq. cm</h3><h3>total surface area=2π(14×14)+2π14×35 =4308.08 sq. cmcurved surface area=3077.2 sq.cm</h3><h3>total surface area=2π(14×14)+2π14×35 =4308.08 sq. cmcurved surface area=3077.2 sq.cmtherefore ratio=1.5:1=3:2 (ans)</h3>

<h2>Hope this helps you ❤️</h2>

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