2 years ago

If -11 + N = -11, then N is the

Mathematics

1 answer:

stepladder [879]2 years ago

8 0

Answer:

Step-by-step explanation:

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Which of the following is equivalent to 5 · (7 · 4)? *

MariettaO [177]

B because you multiply 7 times 4 that’s 28 then times 5 that’s 140 so for b you do 5 times 7 that’s 35 then times 4 that’s 140 so b is the correct answer, hope it helps

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3 years ago

The number of minutes that Samantha waits to catch the bus is uniformly distributed between 0 and 15 minutes. What is the probab

Maslowich

Answer:

option d. 30%

Step-by-step explanation:

Data provided in the question:

$a=0$

$b=15$

Now,

The probability density function of the uniform distribution is given as:

$f(x)=\frac{1}{15-0}$

$f(x)=\frac{1}{15}, 0$

Therefore,

The required probability will be

$P(X$

= 0.3 × 100%

= 30%

Hence,

The answer is option d. 30%

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3 years ago

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Karolina [17]

Answer:

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Step-by-step explanation:

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3 years ago

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Sergeu [11.5K]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

The sum of the speed of two trains is 722.7 miles per hour. If the speed of the first train is 3.3 mph faster than the second tr

stellarik [79]

$x-speed\ of\ first\ train\\x-3.3-speed\ of\ second\ train\\\\x+x-3.3=722.7\\x+x=722.7+3.3\\2x=726\\x=363\\\\x-3.3=363-3.3=359.7\\\\Speed\ of\ first\ train\ is\ 363 mph,\ speed\ of\ second\ train\ is\ 359.7.$

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3 years ago