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2 years ago

Find the volume. No links please

Mathematics

1 answer:

Artyom0805 [142]2 years ago

5 0

Answer:

ok i hate links2 48

Step-by-step explanation:

Prism volume 48 ft^3 sorry if wrong

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What decimal is equivalent to 13/10

LUCKY_DIMON [66]

Answer:

1.30

Step-by-step explanation:

because it's 13 / 10 it means that there is a whole number , 13 - 10 equals 3 oh, so you divide 3 from 100

4 0

2 years ago

A gambler has a coin which is either fair (equal probability heads or tails) or is biased with a probability of heads equal to 0

yawa3891 [41]

Answer:

(a) 0.1719

(b) 0.3504

Step-by-step explanation:

For every coin the number of heads follows a Binomial distribution and the probability that x of the 10 times are heads is equal to:

$P(x)=\frac{n!}{x!(n-x)!}*p^x*(1-p)^{10-x}$

Where n is 10 and p is the probability to get head. it means that p is equal to 0.5 for the fair coin and 0.3 for the biased coin

So, for the fair coin, the probability that the number of heads is less than 4 is:

$P(x$

Where, for example, P(0) and P(1) are calculated as:

$P(0)=\frac{10!}{0!(10-0)!}*0.5^0*(1-0.5)^{10-0}=0.0009\\P(1)=\frac{10!}{1!(10-1)!}*0.5^1*(1-0.5)^{10-1}=0.0098$

Then, $P(x$ , so there is a probability of 0.1719 that you conclude that the coin is biased given that the coin is fair.

At the same way, for the biased coin, the probability that the number of heads is at least 4 is:

$P(x\geq4 )=P(4)+P(5)+P(6)+...+P(10)$

Where, for example, P(4) is calculated as:

$P(4)=\frac{10!}{4!(10-4)!}*0.3^4*(1-0.3)^{10-4}=0.2001$

Then, $P(x\geq4 )=0.3504$ , so there is a probability of 0.3504 that you conclude that the coin is fair given that the coin is biased.

7 0

3 years ago

Factor completely. 15x^2y^2-3x^3y+75x^4

olga_2 [115]

15x2y2+3x3y+75x4 Final result : 3x2 • (25x2 + xy + 5y2)

Step by step solution :Step 1 :Equation at the end of step 1 : (((15•(x2))•(y2))+((3•(x3))•y))+(3•52x4) Step 2 :Equation at the end of step 2 : (((15•(x2))•(y2))+(3x3•y))+(3•52x4) Step 3 :Equation at the end of step 3 : (((3•5x2) • y2) + 3x3y) + (3•52x4) Step 4 :Step 5 :Pulling out like terms :

5.1 Pull out like factors :

 75x4 + 3x3y + 15x2y2 = 3x2 • (25x2 + xy + 5y2)

Trying to factor a multi variable polynomial :

5.2 Factoring 25x2 + xy + 5y2

Try to factor this multi-variable trinomial using trial and error

Factorization fails

Final result : 3x2 • (25x2 + xy + 5y2)

7 0

3 years ago

Expand and simplify the expressions using properties of operations. 6(7y−8)

nikklg [1K]

Answer:

42y-48

Step-by-step explanation:

6 x 7

6 x 8

7 0

2 years ago

The volume of the following solid figure could be found by multiplying the area of its circular base by the height of the cone.

Tems11 [23]

Answer:

its false

Step-by-step explanation:

Brainly is so bad. They are deleting all of these questions like ITS MY HOMEWORK AND I NEED HELP THAT WHAT THE APP IS FOR??????? STOP DELETING QUESTIONS BECAUSE THERE ARE SOME KIDS CRYING BECAUSE THEY JUST CANT UNDERSTAND IT AND THEY NEED AN EXPLANATION BRAINLY IS GETTING WORSE AND WORSE.

3 0

2 years ago

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