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kati45 [8]
3 years ago
13

If I simplify the expression 4(x+3) to 4x+7 what properties did I use

Mathematics
1 answer:
natka813 [3]3 years ago
8 0
You used Order of Operations. I hope this helped ^^
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Solve pls brainliest
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Answer:

Step-by-step explanation:

x= cost per gallon

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4 0
3 years ago
Find the factored form of 13x+x^2=0
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Change it into the form

ax^2 + bx + c = 0

x^2 + 13x + 0 = 0

This equation has a common factor, x. Factorise it out.

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3 years ago
a man paid $8000 for a car since then ,its value has fallen by 25% calculate the current value please help me​
Anna [14]

Answer:

$6000

Step-by-step explanation:

so basically, 25% of the 100% value is gone, right? which means that 75% of the value would remain. After that, all is easy. 8000*0.75, since 75% is 0.75, and the answer of that is 6000, so the current value is 6000 dollars.

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2 years ago
13
goldenfox [79]

Answer:

f(x) = (x + 8)² -6

7 0
2 years ago
A math tutor earns $40 an hour tutoring teenagers. Sometimes he will meet with two students at once and get paid $80 per hour to
kati45 [8]

Answer:

It should be linear if you let the variable t represent the time tutoring for ONE student,   so   y = 40*t   where t = number of hours for ONE student

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y = 40t

t = tutoring hours for ONE unique student...

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