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3 years ago

6

se requiere instalar un cable desde un poste de electricidad de 10 M de alto hasta una casa de 3 M de alto. ¿Cuanto se necesita

de cable?

1 answer:

BabaBlast [244]3 years ago

5 0

Answer:

becausew u stupid

Step-by-step explanation:

answer liket this on mines

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What is 373727282 divided by 23

grandymaker [24]

16249012.26086957;)3!(3$676444

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2 years ago

Need help plz Compare using <, >, or =.

jek_recluse [69]

Meanings of inequalities :

< less than
> more than
= equal

convert both fractions to their common denominators , which is 40.

7/2/5 = 7/16/40
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2 years ago

Prove algebraically that r = 10/2+2sinTheta is a parabola

Xelga [282]

Answer:

$y = - \frac{ 1 }{10} {x}^{2} + \frac{5}{2}$

Step-by-step explanation:

We want to prove algebraically that:

$r = \frac{10}{2 + 2 \sin \theta}$

is a parabola.

We use the relations

${r}^{2} = {x}^{2} + {y}^{2}$

and

$y = r \sin \theta$

Before we substitute, let us rewrite the equation to get:

$r(2 + 2 \sin \theta) = 10$

Or

$r(1+ \sin \theta) = 5$

Expand :

$r+ r\sin \theta= 5$

We now substitute to get:

$\sqrt{ {x}^{2} + {y}^{2} } + y = 5$

This means that:

$\sqrt{ {x}^{2} + {y}^{2} }=5 - y$

Square:

${x}^{2} + {y}^{2} =(5 - y)^{2}$

Expand:

${x}^{2} + {y}^{2} =25 - 10y + {y}^{2}$

${x}^{2} =25 - 10y$

${x}^{2} - 25 = - 10y$

$y = - \frac{ {x}^{2} }{10} + \frac{5}{2}$

This is a parabola (0,2.5) and turns upside down.

4 0

2 years ago

For the school dance only three members from the student government sold tickets. James sold ten more tickets than Bonnie and Bo

irakobra [83]

Answer:

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-Step-by-step explanation:

,

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2 years ago

Read 2 more answers

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MatroZZZ [7]

Answer:

I think its a) I only

Step-by-step explanation:

b gives a random value that isn't relevant to the question. C is backwards because F would increase more than C.

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2 years ago