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Gnesinka [82]
3 years ago
7

Simplify (x+3)cubed...do I expand?

Mathematics
1 answer:
Rina8888 [55]3 years ago
3 0
(x + 3)^3 = (x + 3)(x + 3)(x + 3) = (x + 3)(x^2 + 6x + 9) = x^3 + 9x^2 + 27x + 27
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Help no guessing please explain how to solve
kozerog [31]
Ok so easy

I=PRT
t=time=7
r=rate3.9%=0.039
p=principal=8250

I=8250 times 0.039 times 7
I=8250 times 0.273
I=2252.25

$2252.25
5 0
3 years ago
Read 2 more answers
Sum of 2 numbers is 36. The larger is 3 more than twice the
maw [93]

Answer:

11

Step-by-step explanation:

so we just make a system of equations:

x+y=36

say that x is the larger and y is the smaller

x-3=2y

so we can combine the equations and solve for x and y

re-arrange x-3=2y to be x=2y+3

x+y=36

x=2y+3

insert the value for x into x into x+y=36

2y+3+y=36

3y+3=36

y=11

now insert that back into x+y=36

11+x=36

x=25

Out of the two numbers x and y, 11 is the smaller number

Hope that helps :)

6 0
3 years ago
Noamis fish is 40 millimeters long.Her guiena pig is 25 meters long .How much longer is her guenia pig than her fish
Marianna [84]

Answer:72

Step-by-step explanation:because idk

6 0
3 years ago
The caplan family was going to New York City to ring in the New Year. 16 family members each paid $341 for their plane ticket to
Usimov [2.4K]
1 persona pagaba 341 por ida y 298 por venido lo que significa que 1 persona paga en total= 639
si son 16 seria= 639*16=10224 en total
3 0
3 years ago
What is the variable in this expression?<br> 4b + 2b + 1⁄4
Shtirlitz [24]

Answer:

the variable is "b"

Step-by-step explanation:

7 0
3 years ago
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