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KATRIN_1 [288]
3 years ago
6

MEDAL

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
5 0
The statement <span>The coefficient of x^k y^n-k in the expansion of (x+y)^n equals (n-k / k) is true.  This will show the standard formula and the expansion of it. We all know that it can still be expanded based on the power or degree of the terms.</span>
balandron [24]3 years ago
4 0

Answer: the answer is FALSE. Just took this on a p e x

Step-by-step explanation:

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aleksklad [387]
I can use a chart by numbers them on the chart because I think 4 should be after the 3
5 0
3 years ago
matthew scored a total of 168 points in basketball this season. He scored 147 of those points what perenct of his total points d
natka813 [3]
88% not sure but I think so if it’s not the answer I’m sorry.
7 0
3 years ago
I NEED HELP I WILL MARK YOU BRAINLIST
natta225 [31]

Answer:

B. -2 1/2 +3 1/4 = 3/4

Step-by-step explanation:

the starting point is -2 1/2, they added 3 1/4, and the ending point is 3/4.

6 0
3 years ago
Sin(x+y)-sin(x-y)/cos(x+y)+cos(x-y)=tany<br> how do i verify this?
dsp73

Answer:

Step-by-step explanation:

Numerator

sin

x

cos

y

+

cos

x

sin

y

−

[

sin

x

cos

y

−

cos

x

sin

y

)

=

sin

x

cos

y

+

cos

x

sin

y

−

sin

x

cos

y

+

cos

x

sin

y

=

2

cos

x

sin

y

Denominator

cos

x

cos

y

−

sin

x

sin

y

+

cos

x

cos

y

+

sin

x

sin

y

=

cos

x

cos

y

−

sin

x

sin

y

+

cos

x

cos

y

+

sin

x

sin

y

=

2

cos

x

cos

y

---------------------------------------------------------------

left side can now be expressed as

2

cos

x

sin

y

2

cos

x

cos

y

=

2

cos

x

sin

y

2

cos

x

cos

y

=

sin

y

cos

y

and  

sin

y

cos

y

=

tan

y

=

right side hence proved

7 0
3 years ago
The scale on a map shows that 10 kilometers is represented by 4 centimeters. Which proportion can be used to find
nignag [31]

Step-by-step explanation:

in my skul, we wud say dat 4 centimeters on the map is equal to 10 kilometers on actual ground

3 0
3 years ago
Read 2 more answers
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