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il63 [147K]
3 years ago
14

BRAINLIEST TO FIRST RIGHT ANSWER The coefficients of the first three terms in the expansion of (x – y) 4 are a) 1, –4, –6 b) 1,

–4, 6 c) 1, 4, 6 d) 1, 3, 5
Mathematics
1 answer:
Zigmanuir [339]3 years ago
7 0

Answer:

b) 1, -4, 6

Step-by-step explanation:

(x-y)^4=

(x-y)(x-y)(x-y)(x-y)=

(x^2-xy-xy-y^2)(x^2-xy-xy-y^2)=

(x^2-2xy-y^2)(x^2-2xy-y^2)=

x^4-4x^3y+6x^2y^2-4xy^3+y^4

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How to simplyfy 2x+2x
VladimirAG [237]

Answer:

Your answer is 4x.

Step-by-step explanation:

Add 2+2

Combine your x's (like terms)

then you got 4 from 2+2

Add the leftover x so it makes 4+x then add it will give you 4x.

4 0
2 years ago
The initial population of a town is 4100​, and it grows with a doubling time of 10 years. What will the population be in 8 ​year
Marianna [84]
If the population is doubling every 10 years, the rate of change is 100%, for the period of 10 years, so, whatever it happens to be at the time, it grows by 100%, namely it doubles.

\bf \textit{Periodic Exponential Growth}\\\\
A=I(1 + r)^{\frac{t}{p}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
I=\textit{initial amount}\to &4100\\
r=rate\to 100\%\to \frac{100}{100}\to &1.00\\
t=\textit{elapsed time}\to &8\\
p=period\to &10
\end{cases}
\\\\\\
A=4100(1 + 1)^{\frac{8}{10}}\implies A=4100(2)^{\frac{4}{5}}\implies A=4100\sqrt[5]{2^4}
3 0
3 years ago
Can someone help me out please I don’t get this
expeople1 [14]
I think the answer is three


i did 9x-1=-5x+41 and i got 3
8 0
3 years ago
5. WHAT IS THE SALE PRICE OF THIS BAG IF IT IS MARKED PHP<br>2735 WITH 33% DISCOUNT?<br>​
Alex777 [14]

Answer:

1832.45

Step-by-step explanation:

2735 - 33% = 1832.45

8 0
3 years ago
Solve the inequality 5 - 4x &gt; -x+8​
Pavel [41]

Answer:

x<-1

Step-by-step explanation:

5-4x>-x+8

adding 4x to both sides we get

5>3x+8

subtracting eight from both sides we get

-3>3x

dividing by three on both sides we get

-1>x

or x<-1

hope that helps if it does please mark my answer as brainliest.

3 0
3 years ago
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