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3 years ago

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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3 years ago

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

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

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3 years ago

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Rainbow [258]

Answer:

Step-by-step explanation:

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

-28 + 9

= 19

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2 years ago

Read 2 more answers