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2 years ago

E) What is the measure of

Mathematics

1 answer:

FromTheMoon [43]2 years ago

5 0

Answer:

I am pretty sure it is 135 degrees, but I still do not know. They don't give you any angles, so I think you're supposed to use a protractor.

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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

At Mary's bakery chocolate chip cookies make up 45% of the total cookies Oatmeal Raisin cookies 25% of the total cookies there a

wolverine [178]

Answer:

1100 cookies

Step-by-step explanation:

There are 3 types of cookies, the first represents 45% of the total, the second 25% and the last type there are 330. We can pose the following equation:

0.45 * x + 0.25 * x + 330 = x

solving for x:

x - 0.45 * x - 0.25 * x = 330

0.30 * x = 330

x = 330 / 0.3

x = 1100

which means that there are a total of 1100 cookies

4 0

3 years ago

What's the exact amount of numbers that have been discovered in PI π?

bazaltina [42]

Answer:

It has an infinite amount as the decimal keeps going to over 1 million digits and beyond.

Step-by-step explanation:

3 0

3 years ago

Which statement correctly compares the shapes of the distribution?

aniked [119]

the answer to your question is c

4 0

3 years ago

Angle 1 and Angle 2 form a linear pair. If the measure of angle is 113°, find the measure of angle 2.

LuckyWell [14K]

Answer:

<2 =67

Step-by-step explanation:

A linear pair adds to 180 degrees

<1 + <2 =180

113+ <2 = 180

<2 = 180-113

<2 =67

5 0

3 years ago