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Katyanochek1 [597]
3 years ago
7

Simplify this as much as possible. −7w(−2w^9)

Mathematics
2 answers:
OLga [1]3 years ago
7 0

-2w^9= -512w. -7w times -512w= 3584w. I believe this is correct. :)

Lemur [1.5K]3 years ago
5 0
The answer would be 14^10. Hope this helps!
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Which of the following inequalities is true for ALL real values of x?
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3 years ago
Use the identity (x+y)(x2−xy+y2)=x3+y3 to find the sum of two numbers if the product of the numbers is 10, the sum of the square
professor190 [17]

Answer:

The sum of two numbers is 7.

Step-by-step explanation:

Given : the product of the numbers is 10, the sum of the squares of the numbers is 29, and the sum of the cubes of the numbers is 133.

Using identity (x+y)(x^2-xy+y^2)=x^3+y^3 and given details, we have to find the sum of two numbers.

Since, given that the product of the numbers is 10 that is xy=10

Also, given the sum of the squares of the numbers is 29 that is x^2+y^2=29

and the sum of the cubes of the numbers is 133 that is x^3+y^3=133

Using, the given identity (x+y)(x^2-xy+y^2)=x^3+y^3,

Substitute, the given values, we have,

(x+y)(29-10)=133

Simplify , we get,

(x+y)(19)=133

Divide both side by 19, we have,

(x+y)=7

Thus, the sum of two numbers is 7.

7 0
4 years ago
Read 2 more answers
Help me solve this. Thank youx
liubo4ka [24]

I guess it's b

{x}^{2}  + 8x + 16 \\  \\ 1. \:  {x}^{2}  + 2(x)(4) +  {4}^{2}  \\ 2. \: (x + 4)^{2}

7 0
3 years ago
What is f(-7) if f(x)=-4x+9? <br><br> I WILL GIVE YOU BRAINIEST IF YOU ANSWER PLEASE!
Rainbow [258]

Answer:

19

Step-by-step explanation:

f(-7) = 4(-7) + 9

-28 + 9

= 19

4 0
2 years ago
Read 2 more answers
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