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Deffense [45]
2 years ago
6

Domian and rangge plz URgent

Mathematics
1 answer:
MissTica2 years ago
4 0

Answer:

12

Step-by-step explanation:

vìâyậyđó v

brainly.com/question/20725310?answering=true&answeringSource=feedPublic%2FhomePage%2F1

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For what values of x is the expression below defined?<br> √x+4÷√1-x
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x=1

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A building has an entry the shape of a parabolic arch 22 ft high and 28 ft wide at the base, as shown below.
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How do you solve 6) n2+7n+15=5 by factoring?
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First, you need to set the equation equal to zero:

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8 0
3 years ago
The weights of red delicious apples are approximately normally distributed with a mean of 9 Ounces and a standard deviation of 0
Simora [160]

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.

3 0
3 years ago
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