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ra1l [238]
2 years ago
10

(sec 12A - 1)/(sec 6A -1) = tan 12A / tan 3A

Mathematics
1 answer:
Ganezh [65]2 years ago
5 0
Can I use dis... do u know how to use dis?

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If point P(3,10) is reflected across the line y=1, what are the coordinates of it's reflection image ?
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The weights of red delicious apples are approximately normally distributed with a mean of 9 Ounces and a standard deviation of 0
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Answer:

The mean of W is 55 ounces.

The standard deviation of W is 4.33 ounces.

Step-by-step explanation:

Let X: weight of a red delicious apple, and B: the weight of the box and packing material.

The distribution that will represent W: the total weight of the packaged 5 randomly selected apples will be also normally distributed.

Applying the property of the mean: E(aX)=aE(X), the mean of W will be:

\mu_W=E(W)=E(5X+B)=5E(X)+E(B)=5*9+10=45+10=55

Applying the property of the variance: V(aX+b)=a^2V(X), the variance of W will be:

\sigma^2_W=V(W)=V(5X+B)=5^2V(X)+V(B)=25*0.75+0=18.75

The mean standard deviation of W will be the squared root of V(W):

\sigma_W=\sqrt{V(W)}=\sqrt{18.75}=4.33

The mean of W is 55 ounces.

The standard deviation of W is 4.33 ounces.

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Ella's aquarium holds 55 gallons of water. She is filling the tank and has already put in 22 gallons. Write and solve an inequal
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