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OleMash [197]
2 years ago
7

Match each number on the left with the correct description of the number on the right.

Mathematics
1 answer:
qwelly [4]2 years ago
4 0

Answer:

im not sure the answer tho- just trying

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What is the solution to the system of equations below?
snow_tiger [21]

Answer:

(-6,8) is the answer using substitution method.

Step-by-step explanation:

y= (-1/3)(-6)+6

y= 2+6

y=8, x=-6

=(-6,8)

6 0
3 years ago
Read 2 more answers
Let X and Y be two independent random variables following beta distributions Beta(120, 2020).
Alla [95]

With X,Y\sim\mathrm{Beta}(120,2020), we have identical PDFs

P(X=x)=\dfrac{x^{119}(1-x)^{2019}}{B(120,2020)}

for 0, and 0 otherwise, where

B(a,b)=\dfrac{\Gamma(a)\Gamma(b)}{\Gamma(a+b)}

Since X,Y are independent, the joint PDF is

P(X=x,Y=y)=P(X=x)P(Y=y)=\dfrac{(xy)^{119}((1-x)(1-y))^{2019}}{B(120,2020)^2}

for points (x,y) in the unit square, and 0 otherwise.

1. The distribution is continuous, so P(X=0.5)=\boxed0.

2. X+3 is the region in the x,y plane contained within the unit square and above the line y=\frac{x+3}2. This region is empty, because this line lies above the square altogether, so P(X+3.

3. X>Y is the region in the same square below the line y=x. So we have

P(X>Y)=\displaystyle\int_0^1\int_0^xP(X=x,Y=y)\,\mathrm dy\,\mathrm dx=\boxed{\frac12}

4 0
3 years ago
C^2=4? Anyone want to help?
Kazeer [188]

Answer: c=2

Step-by-step explanation: the square root of c^2 equals the squae root of 4 which is 2 so your left with c=2

5 0
4 years ago
How do i solve x-3/18 = 12/9? (Proportions and Ratios)
neonofarm [45]

Hey there!

\bold{x-\frac{3}{18}=\frac{12}{9}}

  • <em>Firstly, you have to simplify both sides of your equation </em>
  • \bold{x+\frac{-1}{6}=\frac{4}{3}}
  • <em>Secondly, you have to \bold{add} by  \bold{\frac{1}{6}} on each of your sides that you're working with </em>
  • \bold{x+\frac{-1}{6}+\frac{1}{6}=\frac{4}{3}+\frac{1}{6}}
  • \bold{Cancel:\frac{-1}{6}+\frac{1}{6}} because it gives you the result of  \bold{0}
  • \bold{Keep:\frac{4}{3}+\frac{1}{6}} because it gives you the answer for \bold{x}
  • \boxed{\boxed{\bold{Answer:x=\frac{3}{2}}}}

Good luck on your assignment and enjoy your day!

~\bold{LoveYourselfFirst:)}

5 0
3 years ago
The grocery store is having a sale. For every 3 sticks of butter purchased, customers receive 1 free wedge of cheese. If the Cra
LekaFEV [45]

Answer:

4 free wedges of cheese

Step-by-step explanation:

From the above question:

3 sticks of butter purchased = 1 free wedge of cheese

12 sticks of butter purchased = x

Cross Multiply

3 × x = 12 × 1

x = 12/3

x = 4 free wedges of cheese

Therefore, when Baby Jr. Buys 12 sticks of butter, she will receive 4 free wedges of cheese.

4 0
3 years ago
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