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Nuetrik [128]
3 years ago
12

3 grapes= 1 pineapple

Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0

Answer:

1\dfrac{17}{19}

Step-by-step explanation:

19 bananas =1 watermelon

3 pineapples =1 watermelon

Then

<u>19 bananas = 3 pineapples</u>

1 pineapple = 3 grapes,

then

<u>3 pineapples = 9 grapes</u>

3 pineapples = 9 grapes

19 bananas = 3 pineapples

then

<u>9 grapes = 19 bananas</u>

9 grapes = 19 bananas

x grapes = 4 bananas

Write a proportion:

\dfrac{9}{x}=\dfrac{19}{4}

Cross multiply

19x=9\cdot 4\\ \\19x=36\\ \\x=\dfrac{36}{19}=1\dfrac{17}{19}

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3 years ago
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quester [9]

Step-by-step explanation:

a) X is a discrete uniform distribution. As the number of outcomes is only 3.

b) sum is at least 4

X ≥ 4

i.e  (1,3) or (2,3)

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2/3= 0.667

66.7 % is the probability of the outcome to have  a sum at least 4.

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<em>(1,3) where X ;</em> 1+3=4

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3 years ago
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Verdich [7]

Answer:

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Step-by-step explanation:

Assuming that we are looking for the points of intersection of

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We make y the subject in the second equation to get:

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When we substitute into the first equation:

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We obtain the standard form

5 {x}^{2}  - 100x + 600 = 0

Divide through by 5

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The discriminant is

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Hence the quadratic equation has no real roots.

This means the line and point has no point of intersection.

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4 years ago
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Answer:

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