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3 years ago

How do you find rate in miles per hour

Mathematics

2 answers:

My name is Ann [436]3 years ago

8 0

You divide the miles by the hours

vagabundo [1.1K]3 years ago

7 0

Divide the number of miles/hours

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5) A submarine is cruising at -40 meters (40 meters below the surface). It

Verdich [7]

Answer:

-25

Step-by-step explanation:

You begin with -40, then decrease by 20 so your new value is -60, then increase by 35 so your final value is -25m... hope this helps (:

5 0

3 years ago

Como resolver logaritmos avanzados

Firlakuza [10]

Answer:

could u put this in english

5 0

3 years ago

If x + 2 is the only factor of the polynomial P(x),then P(2) is:

Levart [38]

Answer:

The answer is R(2).

Step-by-step explanation:

hope this helped!

4 0

3 years ago

21 marbles out of N are blue; probability of getting a blue one = 30%

MissTica

$Probability=\frac{desired}{total}$
$0.3=\frac{21}{N}$
$0.3N=21$
$N=\frac{21}{0.3}$
$N=70$

There are 70 total marbles.

4 0

3 years ago

In a recent survey, 64 % of the community favored building a police substation in their neighborhood. If 14 citizens are chosen,

kozerog [31]

Answer: 0.1840

Step-by-step explanation:

The binomial probability formula :-

$P(X)=^nC_x\ p^x(1-p)^{n-x}$ , here n is the number total of trials , p is the probability of getting success in each trial and P(x) is the probability of getting success in x trial.

Given : The probability of the community favored building a police substation in their neighborhood = 0.64

If 14 citizens are chosen, then the probability that exactly 8 of them favor the building of the police substation will be :-

$P(8)={14}^C_{8}\ (0.64)^{8}(1-0.64)^{14-8}\\\\=\dfrac{14!}{8!6!}\times(0.64)^8(0.36)^{6}\\\\0.183996740126\approx0.1840$

Hence, the probability that exactly 8 of them favor the building of the police substation = 0.1840

5 0

3 years ago