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madreJ [45]
3 years ago
8

What is y=2(x+1)^2 in standard form

Mathematics
2 answers:
Setler79 [48]3 years ago
5 0
Y=4x+4
I think this is it u just have to simplify to get it to y=mx+b
Alik [6]3 years ago
3 0

Answer:

y=2x^2+4x+2

Step-by-step explanation:

y=2(x+1)^2

y=2(x^2+2x+1)

y=2x^2+4x+2

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In building a tent, Jada ties a rope from the top of a pole 3 meters high to a stake that is 4 meters away from the base of the
Leokris [45]

Answer:

The answer is most definitely B

3 0
2 years ago
You deposit $500 into a savings account that earns 3.2% annual interest. How much is in the savings account after 10 years?
Brilliant_brown [7]
A = P(1 +r/n)^nt
P = 500
r = 3.2% = 0.032
n = 1
t = 10

A = 500(1 + 0.032)^10
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7 0
2 years ago
I need help please and thank you
omeli [17]
Oof I’m not quite sure how to do that
8 0
3 years ago
Let X1 and X2 be two random variables following Binomial distribution Bin(n1,p) and Bin(n2,p), respectively. Assume that X1 and
ryzh [129]

Answer:

a) X1+X2 have distribution Bi(n1+n2, p)

b)

P(X1+X2 = 1 | X2 = 0) =  np(1-p)ⁿ¹⁻¹

P(X1+X2 = 1| X2 = 1) = (1-p)ⁿ¹

P(X1 + X2 = 1) = (1-p)ⁿ¹ * np(1-p)ⁿ²⁻¹+ (1-p)ⁿ²*np(1-p)ⁿ¹-¹

Step-by-step explanation:

Since both variables are independent but they have the same probability parameter, you can interpret that like if the experiment that models each try in both variables is the same. When you sum both random variables toguether, what you obtain as a result is the total amount of success in n1+n2 tries of the same experiment, thus X1+X2 have distribution Bi(n1+n2, p).

b)

Note that, if X2 = k, then X1+X2 = 1 is equivalent to X1 = 1-k. Since X1 and X2 are independent, then P(X1+X2 = 1| X2 = K) = P(X1=1-k|X2=k) = P(X1 = 1-k).

If k = 0, then this probability is equal to P(X1 = 1) = np(1-p)ⁿ¹⁻¹

If k = 1, then it is equal to P(X1 = 0) = (1-p)ⁿ¹

Thus,

P(X1+X2 = 1) = P(X1+X2 = 1| X2 = 1) * P(X2=1) + P(X1+X2 = 1| X2 = 0) * P(X2 = 0) = (1-p)ⁿ¹ * np(1-p)ⁿ²⁻¹+ (1-p)ⁿ²*np(1-p)ⁿ¹-¹

4 0
3 years ago
What is the constant rate of change from the graph?
Lady_Fox [76]
Your answer would be C. 2
3 0
3 years ago
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