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Grace [21]
3 years ago
6

HELP PLEASE find the surface area of the prism

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

Answer:

9:130  10:198  11:76

Step-by-step explanation:

S.A.:= 2LW+2LH+2WH

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3 years ago
Determine whether the sequence is arithmetic, geometric, or neither, and justify your response.
Kobotan [32]

9514 1404 393

Answer:

  geometric

Step-by-step explanation:

The signs of the terms alternate, so it cannot be an arithmetic sequence.

The ratios of terms are ...

  6/-3 = -12/6 = 24/-12 = -2

The terms have a constant ratio of -2, so the sequence is geometric.

6 0
3 years ago
Define a new random variable by y = 2px. show that, as p l 0, the mgf of y converges to that of a chi squared random variable wi
Mandarinka [93]
The moment generating function (mgf) of y is given by

M_y(t)=E(e^{ty})=E(e^{2pxt})=M_x(2pt)=p(1-e^{2pt}(1-p))^{-1}

Since the momoent generating function of x is given by M_x(t)=p(1-e^{t}(1-p))^{-1}

When p tends to 0, we have

\lim_{p \to 0} M_y(t)=  \lim_{p \to 0}  \frac{p}{1-e^{2pt}(1-p)} = \frac{0}{0}

Applying L'Hopital's rule we have:

\lim_{p \to 0} M_y(t)=\lim_{p \to 0} \frac{1}{e^{2pt}+2te^{2pt}+2pte^{2pt}} = \frac{1}{1+2t} , \ \ \ t\ \textless \  \frac{1}{2}

This shows that y converges to <span>a chi squared random variable with 2r degrees of freedom</span>.
5 0
4 years ago
Rachel can make 3 bracelets in an hour. Oliver can make only 2 bracelets in an hour, but he already has completed 5 bracelets. E
Sidana [21]
For the answer to the question above, Since Rachel makes 3 bracelets an hour, her linear equation should be y=3h. 3 represents the rate of change and h represents the number of hours as a variable. 
Oliver's linear equation is y=2h+5 because 2 is the rate of change and 5 is the b value or the y-intercept in a linear equation y=mx+b. To find when both have the same number of bracelets, we find the point of intersection...
2h+5=3h
5=3h-2h
5=h
Therefore in 5 hours, both will have the same amount of bracelets. 
7 0
3 years ago
A circle has a circumference of 50.24 units.<br> What is the radius of the circle?
S_A_V [24]

2 \times \pi \times r = 50.24 \\ 2 \times  \frac{22}{7} r = 50.24 \\ r =  \frac{50.24 \times 7}{22 \times 2 }  \\ r =  \frac{351.68}{44}  \\ r = 7.99

3 0
3 years ago
Read 2 more answers
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