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nekit [7.7K]
2 years ago
9

Select the correct answer.

Mathematics
1 answer:
BlackZzzverrR [31]2 years ago
7 0

Answer:

40

Step-by-step explanation:

It is 40 because on the graph it shows that you don't start at the first crate but the 2nd you do and you have to figure out if the crate was one how many apples would their be

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A game has an expected value to you of ​$100. it costs ​$500 to​ play, but if you win you receive​ $100,000 (including your ​$50
tekilochka [14]

Let X be a random variable denoting the amount of winnings in any given round of the game. There is some probability p of winning where P(X=99,500)=p, while P(X=-500)=1-p, assuming these are the only two possible outcomes. So we have

\mathbb E[X]=\displaystyle\sum_xxP(X=x)=99,500p-500(1-p)=100

100,000p-500=100\implies p=\dfrac3{500}=0.006

8 0
3 years ago
Given the figure below, find the values of x and z.<br> (5x + 86)<br> (10x + 34)<br> X =<br> Z=
kolezko [41]

Answer:

x = 4 \\ z = 106

Step-by-step explanation:

(5x + 86) + (10x + 34) = 180 \\ 15x + 120 = 180 \\ 15x = 180 - 120 \\ 15x = 60 \\  \\ x =  \frac{60}{15}  \\  \\ x = 4

(5x + 86) = 5(4) + 86 = 20 - 86 = 106

Z= 106 —> Opposite angles

I hope I helped you^_^

8 0
2 years ago
What is a simple way to solve for the sum and difference of 2 cubes? For example, 27+64<img src="https://tex.z-dn.net/?f=x%5E3"
salantis [7]

Answer:

(3 + 4x)(9 - 12x + 16x²) = 0

(4m - 1)(16m² + 4m + 1) = 0

Step-by-step explanation:

Here we have to solve the sum of two cubes which is 27 + 64x^{3}

Now, the equation is 27 + 64x^{3} = 0

⇒ 3³ + (4x)³ = 0

⇒ (3 + 4x)[3² - 3(4x) + (4x)²] = 0

⇒ (3 + 4x)(9 - 12x + 16x²) = 0

So, (3 + 4x) = 0 or (9 - 12x + 16x²) = 0

Therefore, from the above two relation we can solve for x.

One root will be - \frac{3}{4} and the others we will get by applying Sridhar Acharya Formula, which will give a pair of conjugate imaginary roots of the equation.  

Again, we have to solve the difference of two cubes which is 64m^{3} - 1

Now, the equation is 64m^{3} - 1 = 0

⇒ (4m)³ - 1³ = 0

⇒ (4m - 1)[(4m)² + 4m(1) + 1²] = 0

⇒ (4m - 1)(16m² + 4m + 1) = 0

So, (4m - 1) = 0 or (16m² + 4m + 1) = 0

Therefore, from the above two relation we can solve for m.

One root will be \frac{1}{4} and the others we will get by applying Sridhar Acharya Formula, which will give a pair of conjugate imaginary roots of the equation.  (Answer)

8 0
3 years ago
Please help!!!!! geometry
m_a_m_a [10]

Answer:

58

Step-by-step explanation:

First, draw out your triangle on a piece of paper, and label each point w, x, and y

We are then told that side wx and yw are similar. This means that we have an isosceles triangle with two similar sides.

We are also told that angle w is equal to 64 degrees

with this information, we can assume that angle y is the same as angle x

Another important thing to note is that all triangle measures equals to 180

SO

we can make this expression:

64 + x + x = 180

Now to solve for x:

64 + x + x = 180

64 + 2x = 180

2x = 116

x = 58

3 0
1 year ago
A retailer returned 2,124 defective items to the manufacturer and received a credit for the retail price of $0.66 or 66
gregori [183]

Answer:

the answer is 2279.35

Step-by-step explanation:

its on the smartest app

3 0
3 years ago
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