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Morgarella [4.7K]
3 years ago
5

Erika is following a 2200 calorie per day diet.she eats the recommended servings of bread s and cereals, averaging 120 calories

per serving. She also eats 5 servings of vegetables. If the rest of her daily intake is 870 calories, what is the average numberof calories in eachserving of vegetables?
Mathematics
1 answer:
lora16 [44]3 years ago
7 0
The answer should be 50 calories in each serving of vegetables.

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Find the perimeter of a triangle with side lengths of (3c + 4), (5c - 2), and (4c + 7)
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Answer:

12c +9 = Perimeter

Step-by-step explanation:

The perimeter of a triangle is found by adding all the sides

3c+4 + 5c-2 + 4c +7 = Perimeter

Combine like terms

12c +9 = Perimeter

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For the spinner above, the probability of landing on black is 1/2, and the probability of landing on red is 1/3. Suppose it is s
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1/8

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4 0
3 years ago
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Please help me!!!! No idea how to do this one.
Volgvan
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Annie writes the numbers 1 through 10 on note cards. She flips the cards over so she cannot see the number and selects three car
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<h2>The probability that Annie has selected the cards numbered 1, 2, and 3 is (\frac{1}{720} )</h2>

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Here, the total number of cards in the set = 10

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P(Any event E)  = \frac{\textrm{Total favorable events}}{\textrm{Total number of events}}

P(picking a card with number 1)  = \frac{\textrm{Total cards with number 1 on it}}{\textrm{Total cards}} = (\frac{1}{10})

Now when the first card is picked, the number of cards left = 10 - 1 = 9

P(picking a card with number 2)  = \frac{\textrm{Total cards with number 2 on it}}{\textrm{Total cards}} = (\frac{1}{9})

Similarly, P(picking a card with number 3)  = \frac{\textrm{Total cards with number 3 on it}}{\textrm{Total cards}} = (\frac{1}{8})

So, the total probability  that she has selected card with number 1, 2 and 3

= (\frac{1}{10} ) \times (\frac{1}{9} ) \times (\frac{1}{8} ) = (\frac{1}{720} )

Hence,  the probability that she has selected the cards numbered 1, 2, and 3 is (\frac{1}{720} )

4 0
3 years ago
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