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3 years ago

6

escribe la ecuación canónica de la elipse con centro en el origen que pasa por el punto (2,1) y cuyo eje menor mide 4 y se encue

ntra sobre el eje Y

1 answer:

mamaluj [8]3 years ago

6 0

Answer:

Ur mummm u cheater

Step-by-step explanation:

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What is the probability of flipping a coin 10 times and getting tails 7 times ? Round your answer to the nearest tenth of a perc

KatRina [158]

Answer:

Option C: 11.7%

Step-by-step explanation:

The number of elements in sample space when a coin is flipped 10 times will be:

$n(S) = 2^{10} \\= 1024$

Let A be the event that the tails appear 7 times:

Then,

$C_{(n,k)}=\frac{n!}{(k!)(n-k)!} \\where\\n=population\\k=picks\\In our case, k =7\\and\\n=10\\C_{(10,7)}= \frac{10!}{(7!)(10-3)!}\\= 120\\So, \\P(A) = \frac{n(A)}{n(S)} \\P(A) = \frac{120}{1024} \\= 0.1171\\$

Converting into percentage:

$P(A) = 0.1171*100=11.7%$

So, option C is correct ..

6 0

3 years ago

A graphic designer charges an hourly rate. In July, the only expense is for advertising. The function graphed models the designe

ICE Princess25 [194]

<span>The first one is false, but the other two are true.
</span>

5 0

3 years ago

Read 2 more answers

Firlakuza [10]

Answer:

A

Step-by-step explanation:

-3x²y² × y⁴x³

When multiplying, add the exponents:

-3x⁽²⁺³⁾y⁽²⁺⁴⁾

-3x⁵y⁶

Answer is A.

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3 years ago

Read 2 more answers

1 2.2.5 Quiz: Volume

LUCKY_DIMON [66]

Answer:

12 1/2 cubic units, the formula is Lenght × Width × Hieght

6 0

3 years ago

Brittany is asked about her age. She answers as follows. "My age is 10 more than twice the age of my younger brother." How old i

blagie [28]

Answer:

12

Step-by-step explanation:

x will be the age of her younger brother

34 = 2x + 10

She is ten more than twice his age

34 = 2x + 10

- 10 - 10

Then she twice his age

24 = 2x

÷2 ÷2

So his age is 12

x = 12

6 0

3 years ago