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3 years ago

Encuentra el área total de la superficie del prisma cuadrangular??

Mathematics

1 answer:

Alex787 [66]3 years ago

8 0

Superficie total de un prisma

La fórmula general para el área de superficie total de un prisma recto es T. S. A. = ph + 2B donde p representa el perímetro de la base, h la altura del prisma y B el área de la base.

¡Espero que esto ayude!

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Stacy rolls a pair of six-sided fair dice.

insens350 [35]

Answer:

Pr(the sum of the numbers rolled is either a multiple of 3 or an even number)= $\frac{2}{3}$

Step-by-step explanation:

Let A be the event "sum of numbers is multiple of 3"

and B be the event "sum is an even number".

As our dice has six sides, so the sample space of two dices will be of 36 ordered pairs.

|sample space | = 36

Out of which 11 pairs have the sum multiple of 3 and 18 pairs having sum even.

So Pr(A)= $\frac{11}{36}$

and Pr(B)= $\frac{18}{36}$

and Pr(A∩B) = $\frac{5}{36}$ , as 5 pairs are common between A and B.

So now Pr(A or B)= Pr(A∪B)

= Pr(A)+Pr(B) - Pr(A∩B)

= $\frac{11}{36}$ + $\frac{18}{36}$ - $\frac{5}{36}$

= $\frac{24}{36}$

= $\frac{2}{3}$

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3 years ago

What is the answer for this but only 1 ANSWER?

earnstyle [38]

Factored: 4 ( a + 2c - 2)
Standard form/simplified : 4a + 8c - 8

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3 years ago

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Consider the two lines l1:x=−2t,y=1+2t,z=3tl1:x=−2t,y=1+2t,z=3t and l2:x=−8+4s,y=0+5s,z=5+1sl2:x=−8+4s,y=0+5s,z=5+1s find the po

seraphim [82]

At the point of intersection, the coordinates are the same:

... (x, y, z) = (-2t, 1+2t, 3t) = (-8+4s, 5s, 5+s)

We only need two of the coordinates to solve for the values of s and t. Using the x- and y-coordinates, we have

... 4s + 2t = 8 . . . . . . x2 - x1 = 0, in standard form

... 5s -2t = 1 . . . . . . . y2 - y1 = 0, in standard form

Adding these equations gives 9s=9, so s=1. Substituting into either equation gives t=2.

Using the expression for l1 with t=2, the point of intersection is

... (-2·2, 1+2·2, 3·2) = (-4, 5, 6).

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We could have stopped after finding the value of s, because that defines the point. By finding the value of t, we can check the solution to make sure that l1 and l2 both give the same point for the respective values of s and t. (They do.)

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3 years ago

A study concludes that 15 percent of all college students attend a gym class. Which of the following statements is true? 15 perc

yanalaym [24]

I think it is 15 percent is a statistic.
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3 years ago

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The Florida tourism board surveyed people on their favorite vacation cities. Half of the people said Orlando, 1/4 said Miami, 1/

solniwko [45]

352? I'm not so sure.

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