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Otrada [13]
3 years ago
10

Number 15-17 Please help!

Mathematics
1 answer:
Brrunno [24]3 years ago
5 0

17dawdadawdadadawdad

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A point is randomly chosen on a map of North America. Describe the probability of the point being in each location: North Americ
Aleks04 [339]

Answer:

We know that the map is of North America:

The probabilities are:

1) North America:

As the map is a map of North America, you can point at any part of the map and you will be pointing at North America, so the probability is p = 1

or 100% in percentage form.

2) New York City.

Here we can think this as:

The map of North America is an extension of area, and New Yorck City has a given area.

As larger is the area of the city, more probable to being randomly choosen, so to find the exact probability we need to find the quotient between the area of New York City and the total area of North America:

New York City = 730km^2

North America = 24,709,000 km^2

So the probability of randomly pointing at New York City is:

P = ( 730km^2)/(24,709,000 km^2) = 3x10^-5 or 0.003%

3) Europe:

As this is a map of Noth America, you can not randomly point at Europe in it (Europe is other continent).

So the probaility is 0 or 0%.

5 0
3 years ago
Which contract costs more per month? An 18 month cable contract for $2070 or a 12 month contract at $1776? Which is the better d
Dafna1 [17]

Answer:

Contract A is cheaper because $115 per month is less than $148 per month

Step-by-step explanation:

To find the unit price we divide the total cost given by the total months given for each contract to find out the cost per month.

$2070/18 months = $115 per month

$1776/12 months = $148 per month

Contract A is cheaper because $115 per month is less than $148 per month

7 0
3 years ago
grants plans to a factory enough water from 22 gallons in a 16% ammonia solution to make a 24% solution which equation can be us
Andreyy89
16/22=24/x

x=33

then subtract

33-22=11

11 galons should be taken out
5 0
3 years ago
8 min left please help
dolphi86 [110]

answer for this question is 4 x^ 3 Y ^4 root x

5 0
3 years ago
Read 2 more answers
What is the perimeter of the triangle expressed as a polynomial?
ratelena [41]
Add the polynomials together:
(5x-2)+(2x-3)+(4x+3)
Combine like terms:
(5x+2x+4x) + (-2+-3+3) = 11x-2

So the answer is D.
8 0
3 years ago
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