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pochemuha
4 years ago
15

Expand and simplify (y-3)³​

Mathematics
1 answer:
Tanya [424]4 years ago
5 0

Answer:

Expanded: (y-3)(y-3)(y-3)

Simplified:  y^{3}-9y^{2}+27y-27

Step-by-step explanation:

Expanded: (y-3)(y-3)(y-3)

Simplified:

y^{2} -3y-3y+9(y-3)\\y^{2} -6y+9(y-3)

y^{3} -3y^{2}-6y^{2}  +18y+9y-27

y^{3}-9y^{2} +27y-27

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$7000 at 2% for 4 years.
jek_recluse [69]

Answer:

7577.02

Step-by-step explanation:

This would be the formula for that.

ia(1+.per)^{x}=y

ia is the Initial Amount, which is 7000

.per is the recent, in this case is .2

and finally x, which is the amount of years. this is 4

If you put this into a scientific calculator:   7000(1+.02)^{4} = y    you will get

7577.02

7 0
4 years ago
Is 4/6 greater than 4/2?
gavmur [86]
No, 4/2 is equivalent to 2. 4/6 is still a smaller fraction.
5 0
4 years ago
What is the answer for 1 - ( -3)
Salsk061 [2.6K]

answer is 4 because negative symbols are going to be positive.

8 0
4 years ago
Read 2 more answers
Why is 1/6 greater than 1/8 but less than 1/3
horrorfan [7]

Because the denominator (bottom number) of the fraction tells you
how many equal pieces the whole thing has been cut up into.

When you cut up the whole thing into 6 pieces, each piece is bigger
than if you cut it into 8 pieces, but less than if you cut it into 3 pieces.

5 0
3 years ago
Read 2 more answers
Someone help me on this one
juin [17]

It's an isosceles triangle, so the angles at the base are congruent:


m\anlge WXY=m\angle WZY


The triangle XYW is a rectangular triangle.


We know that the sum of the measures of angles in a triangle is 180°.


Therefore we have the equation:


m\angle YWZ+90^o+17^o=180^o\\\\m\angle YWZ+107^o=180^o\ \ \ |-107^o\\\\m\angle YWZ=73^o



Answer: 73

6 0
4 years ago
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