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Anika [276]
3 years ago
5

If four points are collinear are they coplanar

Mathematics
1 answer:
kap26 [50]3 years ago
6 0
It is False , because they could be in a common plane but they do not form a single line 
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Due to gravity, an object falls 16t^2 feet in t seconds. You drop a backpack from a window that is 20 feet above the ground. Wil
sukhopar [10]

Answer:

NO

Step-by-step explanation:

Let h(t) represent the distance the pack is located above the ground at time t.  Then h(t) = 20 ft - 16t^2 ft.  Notice how h = 20 ft (the initial height) and that it decreases as t increases.

How long does it take for the pack tohit the ground?  Set h(t) = 0 and solve for t:

0 ft = 20 ft - 16t^2 ft yields 16t^2 ft = 20, or t^2 ft = 20/16, which is greater than 1.  So the question "Will the backpack hit the ground in 1 second" is answered by NO.

3 0
3 years ago
a state park charges $5 per car plus $1 per person as an admission fee. The total charged for a car with x people is f(x)=x+5.Ho
Schach [20]
F(x)=x+8 is the answer
7 0
4 years ago
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Are the polygons similar show work please
Virty [35]
I hope this helps you



4 0
4 years ago
Use a geometric model to factor x^2+x-2
Vladimir79 [104]
Answer (x-1) (x+2)

So yeah that’s my answer
5 0
3 years ago
A cosmetics company tested a new lotion. Of the 2,500 people tested, 15 had an allergic reaction. What percent of the people tes
DIA [1.3K]

If we want to know what percent of a number A is of another number B, then all we have to do is to simply divide number A by number B. Then either we move the decimal place of the answer two places to the right or multiply the answer with 100, either method results in the same number.

So the percent of tested people who had an allergic reaction to the new lotion is:

percent people = (15 / 200) * 100

percent people = 0.075 * 100

 percent people = 7.5%

 

Therefore 7.5% of the people had allergic reaction.

4 0
3 years ago
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