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daser333 [38]
3 years ago
15

The probability it will rain is 40% each day over a three-day period. What is the

Mathematics
1 answer:
Darya [45]3 years ago
5 0

Answer:

0.784

Step-by-step explanation:

let's work backward.

The probabilty it will rain each day is 40%, so probabilty of dry weather is 1 - 40% = 60%

Probability of dry weather 3 day = 0.6*0.6*0.6 = 0.216

Hence, probability it will rain at least one of the 3 days = 1 - 0.216 = 0.784

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A tree is 15 meters tall. A seedling next to it is 7 centimeters tall. What is the ratio of the height of the seedling to the he
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Answer:

7/15

Step-by-step explanation:

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4 0
3 years ago
Please help with these 2 answers i only have 10 minutes left
natta225 [31]

Answer:

  1. 1/4 of a pound
  2. 4/15 of the flat

Step-by-step explanation:

For number 1:

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5 0
3 years ago
Read 2 more answers
The ratio of the number of volleyball to the number of basketballs in the P.E room is 4:7 .there are 21 basketballs . How many v
densk [106]
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v : b = 4 : 7,      b = 21

v : 21 = 4 : 7

v/21 = 4/7

7*v = 4*21

v = 4*21/7

v = 4*3

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Hope this helps.
8 0
3 years ago
The graph of Fx), shown below, resembles the graph of G(x) = x2, but it has
gizmo_the_mogwai [7]

Answer:

F(x) = -3(x + 2)² - 2

Step-by-step explanation:

In the picture attached, the graph is shown.

F(x) has the form a(x - h)² + k, where (h, k) is the vertex of the parabola. We can see in the graph that the vertex is located at (-2, -2), then F(x) = a(x + 2)² - 2. If a > 0 the parabola opens upward, if a < 0 the parabola opens downward. We can see in the graph that the parabola opens downward, then the correct answer is F(x) = -3(x + 2)² - 2

8 0
4 years ago
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