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Eva8 [605]
3 years ago
14

An ordinary dice is thrown once write down the probability that the dice lands on a number less that 3

Mathematics
2 answers:
allsm [11]3 years ago
8 0

Answer:

Probability = \frac{1}{3}

Step-by-step explanation:

Ordinary dive have sides = 6

Numbers less than 3 on it are = 2

Probability = \frac{No. OFPossibeOutcomes}{Total NumberOfOutcomes}

Probability = \frac{2}{6}

Probability = \frac{1}{3}

Oliga [24]3 years ago
7 0

Answer:

= 1/3

Step-by-step explanation:

There are two numbers less than 3= 1 and 2

there are total 6 numbers in a dice. So,

                                                      = 2/6 = 1/3

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In a small town, the use of coal (W in tons/per
zimovet [89]

Answer:

i)W = 2500 / T

ii)  W = 500 Tons

iii) grad W(10°) = - 25î

iv) The formulation is not practical

Step-by-step explanation:

i)  Write an equation describing the use of coal

As use of coal is inversely proportional to the average monthly temperature

if  W is use of coal in tons/per month then

W(t)  =   k / T              where k is a constant of proportionality and T is the average temperature in degrees. We have to determine k from given conditions

k  =  ??   we know that when   T  =  25°    W = 100 tons  the by subtitution

W = k/T           100  =  k /25       k  =  2500 Tons*degree

Then final equation is:

W = 2500 / T

ii) Find the amount of coal when T = 5 degrees

W = 2500 / 5

W = 500 Tons

iii)

The inverse proportionality implies that W will decrease as T increase.

The vector gradient of W function is:

grad W  = DW(t)/dt î  

grad W  = - 2500/T² î

Wich agrees with the fact that W is decreasing.

And when T = 100°

grad W(10°) =  - 2500/ 100 î      ⇒  grad W(10°) = - 25î

iv) When T =  0  The quantity of coal tends to infinite and the previous formulation is not practical

5 0
3 years ago
an initial investment of $9000 grows at an annual interest rate of 5% compounded continuously. how long will it take to double t
tino4ka555 [31]

Answer:

20 years

Step-by-step explanation:

9000/ 100= 900 = 10%

900/2= 450

450 x 2= 900

900 x 10= 9000

Now we multiply 10 by 2 because we doubled the value of our 450 into a 900 and now we get 20.

8 0
3 years ago
Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millil
alekssr [168]

Answer: The actual height of train = 4.896 meters.

Step-by-step explanation:

Since we have given that

Lina has a scale model of a modern train

Model is created at a scale is given by

1:48

Height of the model train = 102 millimeters

We need to find the actual height of the train.

Since there is direct variation between model and actual height of the train.

According to question,

\frac{1}{48}=\frac{102}{x}\\\\x=102\times 48\\\\x=4896\ millimeters\\\\x=4.896\ m

Hence, the actual height of train = 4.896 meters.

6 0
3 years ago
What is the answer to 5000000 times 1800000000000?
Rzqust [24]
1800000000000000000000000
6 0
3 years ago
Read 2 more answers
Hello chaps, please help me with this absurb eqution, "I think of a number add one then double the result
ziro4ka [17]

Answer:

2n+2

Step-by-step explanation:

Let the number = n.

Add 1 to n:

n+1

Double n+1:

2(n+1)

Distribute:

2n+2

6 0
3 years ago
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