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nirvana33 [79]
3 years ago
12

If you help me I’ll love you forever <3

Mathematics
1 answer:
eimsori [14]3 years ago
5 0

Answer:

translation

Step-by-step explanation:

because a reflection across the x-axis is not right, and neither is across the y-axis. The triangle was also not rotated 90 degrees. It was translated 8 units to the right and 4 units up.

You might be interested in
Round 223 to the nearest 10
zubka84 [21]
220. Think of it this way: 5 and above, give it a shove, 4 and below, keep it down low. That means that if the last number is five or above, push it up to the nearest 10, and if the last number is four or below, round to the lowest 10.
8 0
3 years ago
Wirte an equation for (-2, -5), (-6,9)
olchik [2.2K]

Answer:

y = -3.5x - 12

Step-by-step explanation:

Find the slope with rise over run: (y2 - y1) / (x2 - x1)

Plug in the points:

(9 + 5) / (-6 + 2)

14/-4

= -3.5

Then, plug this and a point into the equation y = mx + b to find b:

y = mx + b

9 = -3.5(-6) + b

9 = 21 + b

-12 = b

Then, plug this and the slope into the equation again:

y = mx + b

y = -3.5x - 12 will be the equation

6 0
3 years ago
Read 2 more answers
2x - (3x + 6) Please help me with this equation guys!!!
katen-ka-za [31]
1. 2x - (3x + 6).....negative before parentheses makes everything inside parentheses opposite
2. 2x - 3x - 6....2x - 3x = -1x
3. -1x - 6

Answer:
-1x - 6
4 0
3 years ago
Suppose you play a game in which 5 dice (6-sided) are rolled simultaneously.
goblinko [34]

The expected value of the game in which 5 dice (6-sided) are rolled simultaneously is -0.2094.

<h3>How to find the mean (expectation) and variance of a random variable?</h3>

Supposing that the considered random variable is discrete, we get:

Mean =  E(X) = \sum_{\forall x_i} f(x_i)x_i

Here,   x_i; \: \: i = 1,2, ... , n is its n data values and f(x_i)is the probability of  X = x_i

Suppose you play a game in which 5 dice (6-sided) are rolled simultaneously.

  • If a "4" is rolled, then you win $2 for each "4" showing.
  • If all the dice are showing "4", you win $1000.
  • If none of the dice are showing "4", then you lose $5.

Let Y is the amount of money player won. The value of X can be,

Y=2,4,6,8,1000,-5

<h3>How to find that a given condition can be modeled by binomial distribution?</h3>

Binomial distributions consists of n independent Bernoulli trials. Bernoulli trials are those trials which end up randomly either on success (with probability p) or on failures( with probability 1- p = q (say))

Suppose we have random variable X pertaining binomial distribution with parameters n and p, then it is written as

X \sim B(n,p)

The probability that out of n trials, there'd be x successes is given by

P(X =x) = \: ^nC_xp^x(1-p)^{n-x}

The expected value and variance of X are:

E(X) = np\\ Var(X) = np(1-p)

Put the values as 5 trials for each time 4 appears.

P(X =0) = \: ^5C_1(\dfrac{1}{6})^0(1-\dfrac{1}{6})^{5-0}=0.4018 \:\\P(X =1) = \: ^5C_1(\dfrac{1}{6})^1(1-\dfrac{1}{6})^{5-1}=0.402\\P(X =2) = \: ^5C_2(\dfrac{1}{6})^2(1-\dfrac{1}{6})^{5-2}=0.162\\P(X =3) = \: ^5C_3(\dfrac{1}{6})^3(1-\dfrac{1}{6})^{5-3}=0.032\\P(X =4) = \: ^5C_4(\dfrac{1}{6})^4(1-\dfrac{1}{6})^{5-4}=0.0032\\P(X =5) = \: ^5C_5(\dfrac{1}{6})^5(1-\dfrac{1}{6})^{5-5}=0.00013\\

The probability of loosing $5 equal probability of 0 success.

P(Y=-5)=P(x=0)

Similarly, for probability of getting profit are,

P(Y=2)=P(x=1)\\P(Y=4)=P(x=2)\\P(Y=6)=P(x=3)\\P(Y=8)=P(x=4)\\P(Y=1000)=P(x=5)

Expected value of game,

E(Y)=\sum y .P(Y=y)\\E(Y)=-5.P(X=0)+2.P(X=1)+4.P(X=2)+6.P(X=3)+8.P(X=4)+1000.P(X=5)\\E(Y)=-0.2094

Thus, the expected value of the game in which 5 dice (6-sided) are rolled simultaneously is -0.2094.

Learn more about expectation of a random variable here:

brainly.com/question/4515179

Learn more about binomial distribution here:

brainly.com/question/13609688

#SPJ1

3 0
2 years ago
If 6m + 4 = 8m, then 4m =
kakasveta [241]
For this you have to solve for m in the equation 6m+4=8m
Subtract 6m from both sides and you will have 4=2m 
Now you divide by 2 and you will get 2=m
now look at this equation 4m=?
Plug in the answer you got from before, which is 2. This means 4m=8

4 0
3 years ago
Read 2 more answers
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