3 years ago

Find the slant height of this square pyramid.

Mathematics

2 answers:

melomori [17]3 years ago

6 0

The slant height is 5.19615 in

Mandarinka [93]3 years ago

6 0

I dont know 5*686324

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<img src="https://tex.z-dn.net/?f=2nx%5E%7B2%7D%20%2B15n%2B7%5C%5C" id="TexFormula1" title="2nx^{2} +15n+7\\" alt="2nx^{2} +15n+

boyakko [2]

Answer:

x = ± √(-15n-7) / √2n (± (-15n-7)^(1/2) / (2n)^(1/2))

Step-by-step explanation:

Factoring?

2nx² + 15n+7 = 0

2nx² + 0*x + (15n+7) = 0 ... ax²+bx+c=0

Roots: x = (-2b ± √b²-4ac)) / 2a = (0 ± √0-4*2n*(15n+7)) / 4n

x = ± (√8n (-15n-7)) / 4n = ± (2√2n(-15n-7)) / 4n = ± (√2n(-15n-7)) / 2n

or x = ± √(-15n-7) / √2n

5 0

3 years ago

— 5х + 3 (x — 8)

s2008m [1.1K]

Answer:

-2x-24

Step-by-step explanation:

so you need to use pemdas first

-5x+3x-24 and then combine like terms

-2x-24

6 0

3 years ago

If x=-5 what is the value of x^2-1/x+1? A. 6 b. -4 c. 4 d. 5 4/5 e. 19 <br> need answers asap

xxTIMURxx [149]

Answer:

The answer is -6 but its not in the option

Step-by-step explanation:

$\frac{ {x}^{2} - 1 }{ x + 1}$

Let x = -5

[(-5)²-1]/(-5+1)

= (25-1)/(-4)

= 24/-4

= -6

4 0

3 years ago

A grocery store sells coffee beans in bulk. What is the price per pound for the coffee?

taurus [48]

I think the answer is d

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3 years ago

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Agata [3.3K]

I’m confused on what you’re asking????

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3 years ago

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