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riadik2000 [5.3K]
3 years ago
13

I DON'T KNOW HOW TO DO THIS!! PLZZ HELPPPP

Mathematics
2 answers:
motikmotik3 years ago
7 0
The answer is C hope this helped:)
Ilya [14]3 years ago
6 0
Yes the answer is C....
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When does expanding and simplifying a(b+c) result in a positive value for ac
TiliK225 [7]

Answer:


Step-by-step explanation:

(ab + bc)(ab + bc)

Simplifying

(ab + bc)(ab + bc)

Multiply (ab + bc) * (ab + bc)

(ab(ab + bc) + bc(ab + bc))

((ab * ab + bc * ab) + bc(ab + bc))

Reorder the terms:

((ab2c + a2b2) + bc(ab + bc))

((ab2c + a2b2) + bc(ab + bc))

(ab2c + a2b2 + (ab * bc + bc * bc))

(ab2c + a2b2 + (ab2c + b2c2))

Reorder the terms:

(ab2c + ab2c + a2b2 + b2c2)

Combine like terms: ab2c + ab2c = 2ab2c

(2ab2c + a2b2 + b2c2)

7 0
3 years ago
How would I solve this equation?
Assoli18 [71]
2(7/2)^x = 49/2

Divide both sides by 2:

(7/2)^x = 49/4

I notice that 49/4 can be rewritten as (7/2)^2, so we now have:

(7/2)^x = (7/2)^2

The only way for this to be true is if x = 2.  Thus, we are done.

6 0
3 years ago
What's one fifth of 45
pishuonlain [190]
1 /5 = 0 . 2 
45 * . 2 = 9
Hope this helped :)
3 0
3 years ago
Read 2 more answers
Solve for x in the equation x^2+20+100=36
Nesterboy [21]
This is what I found in a calculator

3 0
3 years ago
What's the answer to this question
jasenka [17]
Tan w=20/83
inverse tan 20/83=13.55 degrees
3 0
3 years ago
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