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Kisachek [45]
3 years ago
10

Simplify the expression -|-5 x (-7)|

Mathematics
1 answer:
Andrei [34K]3 years ago
7 0

Answer:

the simplified expression would be 35

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Factor this expression completely, then place the factors in the proper location on the grid. a^3y + 1
ivolga24 [154]

Answer:

a^{3y} + 1  = (a^{y}+1 )^{3}  - 3a^y(a^{y}+1)\\\\

Step-by-step explanation:

We are to factorize the expression a^{3y} + 1 completely. To do this, we will apply the expression below;

The expression can be rewritten as a^{3y} + 1^{3}

To factorize the expression, we need to first factorize (a^{y}+1 )^{3} first

(a^{y}+1 )^{3} =(a^{y}+1 )(a^{y}+1 )^{2}\\= (a^{y}+1 )((a^y)^{2}  } + 2a^{y} +1)\\= (a^y)^{3} +2(a^y)^{2}+a^y+( a^y)^{2}+2a^y+1\\(a^{y}+1 )^{3}  = ((a^y)^{3} + 1) +2(a^y)^{2}+a^y+( a^y)^{2}+2a^y\\(a^{y}+1 )^{3}  = ((a^y)^{3} + 1) +3(a^y)^{2}+3a^y\\

The we will make a^{3y} + 1^{3} the subject of the formula as shown;

(a^y)^{3} + 1 = (a^{y}+1 )^{3}  - (3(a^y)^{2}+3a^y)\\(a^y)^{3} + 1^{3}  = (a^{y}+1 )^{3}  - (3(a^y)^{2}+3a^y)\\\\

(a^y)^{3} + 1  = (a^{y}+1 )^{3}  - (3(a^y)^{2}+3a^y)\\\\

a^{3y} + 1  = (a^{y}+1 )^{3}  - (3(a^y)^{2}+3a^y)\\\\

a^{3y} + 1  = (a^{y}+1 )^{3}  - 3a^y(a^{y}+1)\\\\

This last result gives the expansion of the expression

7 0
3 years ago
Subtract. Write your answer as a mixed number in simplest form.<br><br> 8 1/4 + 4 5/6
Tasya [4]

Answer:

13 1/12

Step-by-step explanation:

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3 years ago
PLEASEE HELP WILL GIVE 100 POINTS AND WILL MARK BRAINLY!
madreJ [45]
I’m pretty sure it’s b because they are camouflaged
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3 years ago
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The expression 35+45x represents a trains distance in miles from a terminal after X hours of travel
marin [14]

Answer:

35

Step-by-step explanation:

If it hasn't started X would be 0 so it be 35+45(0) that would give you 35.

6 0
3 years ago
PLEASE HELP!!! THIS IS DUE TODAY!
Greeley [361]

Answer:

qjavaivsjsjajjsnssjskksjskskmamaansxbxk

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