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frutty [35]
3 years ago
5

Please help me,, I'm kind of desperate. ;w; thanks...

Mathematics
1 answer:
aivan3 [116]3 years ago
4 0
Row 1. Here you have the sum  Meat+Beans+Rice, so the expression represent the the total price of all the food.

Row 2. Here you have the sum Beans+Rice. Since both foods are plants, the expression represent the total price of the foods from plants.

Row 3. Here you have the sum  Meat+Beans+Rice again, so the expression represent the the total price of all the food.

Row 4. Here you have the sum Beans+Meat. Since beans and meat are both rich in proteins, the expression represent the total price of the foods rich in protein.

Row 5. Here you have the sum Meat+Rice. Since meat is not a plant and rice is not rich in protein, the correct answer is None of these.

Row 6. Here you have the sum Beans+Meat again just in a different order. Since beans and meat are both rich in proteins, the expression represent the total price of the foods rich in protein.


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Please please help!!!! According to the probability distribution below, what is the expected value of X? X 0 1 2 3 4 5 P(X) 0.3
Novay_Z [31]

Answer:

D.) The expected value is 1.78

Step-by-step explanation:

The expected value of a probability distribution is evaluated using the formula.

Expected Value, E(X)=\sum^{n}_{i=1}x_iP(x_i)

Therefore, from the given probability distribution, we have:

E(X)=(0*0.3)+(1*0.2)+(2*0.16)+(3*0.2)+(4*0.04)+(5*0.1)

E(X)=1.78

The Expected value of X is 1.78.

The correct option is D.

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3 years ago
NEED ASAP BEFORE MARCH 11 2021
Anika [276]

Answer:

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Step-by-step explanation:

i think i might be wrong

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A clown bought 6 bags of round balloons with 24 balloons in each bag.The clown also bought 3 bags of long balloons with 36 ballo
Ierofanga [76]
6 bags × 24 balloons = the amount of round balloons
6× 24 = 144
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3 ×36=108

108 long balloons - 144 round balloons = number of more long balloons that round ones
108-144=-36
He has -36 more long balloons that round ones
Or 36 more round balloons that long ones
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Vera_Pavlovna [14]
There’s an app called photo math where u can take a picture of the problem and it gives u the answer.


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