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Lena [83]
3 years ago
13

Simplify 12a-(6a+a)=

Mathematics
1 answer:
leva [86]3 years ago
7 0
Well
12a-6a-a
then 6a-a
last 5a
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Can someone help me plz
natali 33 [55]

Answer:

Step-by-step explanation:

correct equation is n - 31 = 52

3 0
3 years ago
Given the polynomial 2x3 + 18x2 − 18x − 162, what is the value of the coefficient 'k' in the factored form?2x3 + 18x2 − 18x − 16
s344n2d4d5 [400]

Answer:

k=3

Step-by-step explanation:

Let

f(x)=2x^3+18x^2-18x-162

We factor 2 to obtain;

f(x)=2(x^3+9x^2-9x-81)

We factor the polynomial within the parenthesis by grouping.

f(x)=2(x^2(x+9)-9(x+9)

f(x)=2(x^2-9)(x+9)

f(x)=2(x^2-3^2)(x+9)

We apply difference of two squares on the second factor: x^2-3^2=(x-3)(x+3)

f(x)=2(x+3)(x-3)(x+9)

We now compare to;

f(x)=2(x+k)(x-k)(x+9)

It is now obvious that k=3

6 0
3 years ago
Please help me with the answer ASAP
Gnom [1K]

Answer:

105/5 i believe

Step-by-step explanation:

6 0
3 years ago
FIND THE MISSING SIDE LENGTH MATH HELP!!
Tom [10]

Answer:

n = 12

Step-by-step explanation:

4/6 = 8/n

4n = 48

n = 12

5 0
3 years ago
A fruit seller has 64 oranges in some bags. each bag has 8 oranges. she sells the oranges for $2 per bag. how much does she sell
Aleksandr [31]
It is 512 because you have to multiple 64x8=512 you should have figure that out and add 512+2=514 do you get it now ?
8 0
3 years ago
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