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jok3333 [9.3K]
2 years ago
5

Am i correct? will mark brainliest

Mathematics
2 answers:
lana [24]2 years ago
4 0

Answer:

no, its 11 for the first one and 45 for the second

Step-by-step explanation:

fomenos2 years ago
3 0

Answer:

No 16 is 11 and 17 is 45%

Could you heart me and mark me ect.

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A red die is tossed and then a green dieis tossed. What is the probability thatthe red die shows a six or the green dieshows a s
mr_godi [17]

Let's call the event of the red die to show a six as event A, and the event of the green die to show a six as event B.

The theoretical probability is defined as the ratio of the number of favourable outcomes to the number of possible outcomes. On both dices, we have 6 possible outcomes(the numbers from 1 to 6), with one favourable outcome(the number 6), therefore, the probabilities of those events are:

P(A)=P(B)=\frac{1}{6}

Each roll is independent from each other, then, the probability of both events happening simultaneously is given by their product:

P(A\:and\:B)=P(A)P(B)

Using the additive rule of probability, we have the following equation for our problem:

\begin{gathered} P(A\:or\:B)=P(A)+P(B)-P(A\:and\:B) \\ =P(A)+P(B)-P(A)P(B) \\ =\frac{1}{6}+\frac{1}{6}-\frac{1}{6^2} \\ =\frac{2}{6}-\frac{1}{36} \\ =\frac{12}{36}-\frac{1}{36} \\ =\frac{12-1}{36} \\ =\frac{11}{36} \end{gathered}

the probability that the red die shows a six or the green die shows a six is 11/36.

7 0
1 year ago
Rectangleville's limits form a perfectly rectangular shape whose length is 202020 kilometers and width is 121212 kilometers. It
kotykmax [81]

Answer:

76,800

Step-by-step explanation:

Given the following :

Length = 20 kilometers

Width = 12 kilometers

Population density = 320 people per sq km

Population =?

Recall:

Area of rectangle = Length × width

Therefore,

Area of Rectangleville = 20 km × 12 km = 240km^2

Population is related to population density and Area by the formula ;

Population density = population ÷ Area

Therefore,

Population = population density × Area

Population = 320 × 240 = 76,800

Therefore, the population of Rectangleville is 76,800 people

7 0
2 years ago
What is the surface area of the cylinder with height 5 ft and radius 3 ft? Round your answer to the nearest thousandth
BabaBlast [244]

Answer:

150.8ft²

Step-by-step explanation:

A=2πrh+2πr2=2·π·3·5+2·π·32≈150.79645ft²

8 0
3 years ago
Write the following fraction as tenths in fraction and decimals.4/10
Veseljchak [2.6K]
If you wanted to write 4/10 as a decimal it would be .4 

3 0
3 years ago
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Five years ago, Tim’s mom was three times Tim’s age today. Now their combined ages are 45. How old is Tim’s mom today?
klio [65]
His mother would be 30.

Hope this helps :)
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3 years ago
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