2 years ago

If A is 13 cm B is 12 cm and c is 5cm then what is the area if that triangle

1 answer:

8 0

Well, the formula for area of a triangle is base times height/2
= 13 * 12
= 156
156/2 = 78

So, the area of this triangle is 78cm^2.

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In a standard deck of cards there 52 cards of which 26 are black and 26 are red. Additionally, there are 4 suits, hearts, clubs,

stich3 [128]

Using probability concepts, it is found that P(S and D) = 0.1275.

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A probability is the <u>number of desired outcomes divided by the number of desired outcomes</u>.
In a standard deck, there are 52 cards.
Of those, 13 are spades, and 13 are diamond.

The probability of selecting a spade with the first card is 13/52. Then, there is a 13/51 probability of selecting a diamond with the second. The same is valid for diamond then space, which means that the probability is multiplied by 2. Thus, the desired probability is:

$P(S \cap D) = 2 \times \frac{13}{52} \times \frac{13}{51} = \frac{2\times 13 \times 13}{52 \times 51} = 0.1275$

Thus, P(S and D) = 0.1275.

A similar problem is given at brainly.com/question/12873219

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3 years ago

if 368 teenagers in a population of 4,310 report that they have smoked at least one cigarette during the past year, to one decim

allochka39001 [22]

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Read 2 more answers

If A is 13 cm B is 12 cm and c is 5cm then what is the area if that triangle​

If A is 13 cm B is 12 cm and c is 5cm then what is the area if that triangle