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Shtirlitz [24]
3 years ago
8

Hi peeps. Im feeling REALLY stupid right now (or im just lazy to think.) what is a fractional unit? explain with examples, defin

itions, ANYTHING U COULD THINK OF!! I REALLY NEED HALP
Mathematics
1 answer:
Tamiku [17]3 years ago
6 0
A fractional unit is a rational number written as a fraction (the numerator is one and the denominator is a positive integer) some examples are 1/2, 1/3, 1/4, 1/6, 1/8, etc.
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If 23 people shake each others hands once how many hands are shook in all
AURORKA [14]
This is the number of combinations of 2 from 23
 23C2   = 23! / 2! 21!

A quick way to do this   is  23*22 / 2   =   253
7 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description.
Marrrta [24]
Let's find the discriminant of <span>x^2+9x+14=0.  Here, a=1, b=9 and c=14.

The discriminant is b^2-4ac.  Substituting the above numeric values,
                                9^2-4(1)(14) = 81-56 = 25

The sqrt of 25 is 5.  Thus, your polynomial has two unequal, real roots.

Off the point example:  If the discriminant were zero, your poly would have two real, equal roots.</span>
4 0
3 years ago
What is the common differenice for this arithmetic sequence?
yaroslaw [1]

Answer:

The answer is D.

Step-by-step explanation:

The difference between each term is 4.

-2 - (-6) = 4

2 - (-2) = 4

6 - 2 = 4

10 - 6 = 4

8 0
3 years ago
Read 2 more answers
Can someone help me, please thanks
Ilya [14]
I believe that the answer is 1845




the surface area of the cube is 1350

the surface area of the pyramid is 495

the total surface area is :
1350 + 495 = 1845



good luck
3 0
3 years ago
Can someone please help me with this question?
Lina20 [59]

Answer:

402.12

Step-by-step explanation:

V=πr2h= π·42·8≈402.12386

7 0
3 years ago
Read 2 more answers
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