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pav-90 [236]
1 year ago
13

Which of

Mathematics
1 answer:
Kobotan [32]1 year ago
6 0

Answer:

C

Step-by-step explanation:

The mean of a data set is described as the sum of the data values divided by the total number of data values.

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Consider the quadratic equations
Debora [2.8K]
Consider the two functions as
<span>y1(x) =3x^2 - 5x, 
y2(x) = 2x^2 - x - c

The higher the value of c, father apart the two equations will be.
They will touch when the difference, i.e. y1(x)-y2(x)=x^2-4*x+c has a discriminant of 0.
This happens when D=((-4)^2-4c)=0, or when c=4.
(a)
So when c=4, the two equations will barely touch, giving a single solution, or coincident roots.
(b) 
when c is greater than 4, the two curves are farther apart, thus there will be no (real) solution.
(c) 
when c<4, then the two curves will cross at more than one location, giving two distinct solutions.

It will be more obvious if you plot the two curves in a graphics calculator using c=3,4, and 5.


</span>
6 0
3 years ago
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The hypotenuse of a right triangle measures 17 cm and one of its legs measures 8 cm.
riadik2000 [5.3K]

Answer:

15cm

Step-by-step explanation:

  • c2=a2+b2 thus do the math and 15 comes
3 0
2 years ago
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Which is an example of the associative property?
zhenek [66]

-5 + 7= 7 + (-5) they are the same just switched


3 0
3 years ago
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Chad drove 168 miles in 3 hours. How many miles per hour did Chad drive?
igor_vitrenko [27]


°° Let's see -

Basically, you divide the number of miles Chad drove by the number of hours it took. Then, it gives you the number of miles Chad drove in one hour. Let's try it!

168 ÷ 3 = 56

You can now see that Chad drove 56 miles in one hour.

↑   ↑   ↑  Hope this helps! :D

5 0
3 years ago
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Is 83 cm greater than or less than 1 m?
o-na [289]
IT'S OBVIOUSLY LESS THAN 1 M.
1 m = 100 cm
It's LESS.
6 0
3 years ago
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