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11111nata11111 [884]
3 years ago
9

I need help so bad this makes no sence

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
6 0
Math really can seem hopeless at times, can it? I can't recall the number of times that I've given up on math, but enough about me! There is a certain theorem in Geometry that states that the angle formed by two secant segments, 9x-5, is equal to half the difference between the intercepted arcs (64 and 158). I know this might sound extraterrestrial, but bear with me! Here is what it would look like in numerical form.

angle formed by secant segments = (1/2) (big intercepted arc - small intercepted arc)
(9x - 5) = (1/2)(158 - 64)
9x - 5 = (1/2)(94)
9x - 5 = 47
9x = 52
x = 52/9 or 5 7/9
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An introductory psychology class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12 sophomore females. A rando
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Answer:

The probability is \frac{16}{43}

Step-by-step explanation:

The psychology class has 9 freshman male, 15 freshman females, 8 sophomore male and 12 sophomore female.

Total population constitution of the class=

17 males and 27 females and 44 students in total.

If on selecting on the first attempt, a male has been picked up then the number of males for the picking up in the second attempt has to decrease by one.

Also, the total number of students from which it has to be selected also decreases by 1, because one child has already been selected.

Therefore for Second Attempt, Total 43 students and 16 males.

Probability=\frac{No.OfFavorableOutcomes}{TotalNo.OfOutcomes}

Probability=\frac{16}{43}

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3 years ago
A sports store sells a 4 pack of tennis balls for $11.49, a 6 pack of tennis balls for $16.70, and a 9 pack for $22.99. Which pa
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Answer:

9 pack

Step-by-step explanation:

11.49/4=$2.87 per ball

16.70/6=$2.78 per ball

22.99/9=$2.55 per ball

4 0
3 years ago
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Translate and solve: eight more than the product of three and a number is -13
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Ok, so let’s take the given phrase.
Eight more than the product of 3 and a number is -13. A translation to numbers looks like this:
3x + 8 = -13
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now, we will divide each side by 3 to isolate the variable, thus solving for x.
x = -7
6 0
3 years ago
Add the following fractions. 3/8 + 5/12 = <br> a 8/20 <br> b 19/24 <br> c 8/24 <br> d 1/3
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3/8 + 5/12 = 

B. 19/24
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3 years ago
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Before a new video game is released, it is tested by a number of volunteer gamers. During testing, the experimental probability
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Answer:

2000 players will complete the game with a perfect score.

Step-by-step explanation:

The testing phase tells us that \frac{1}{500} is the probability that a person will finish with a perfect score.

This means 1 out of 500 people will be able to finish with perfect score.

Now,

the game is given to 1,000,000 (1 million) people and how much do we expect to finish with perfect score?? Simple! It would be  \frac{1}{500}the of 1 million!

We do the calculation shown below:

\frac{1}{500}*1,000,000=2000

So, 2000 players will complete the game with a perfect score.

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3 years ago
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