Answer:
909 cents
Step-by-step explanation:
There are 100 cents in 1 dollar
9.09 dollars * 100 cents = 909 cents
When you use the Distributive Property, we will find...
5x - 4 = -6x - 4
Eliminate 4 by adding it to both sides.
5x = -6x
Add 6x to both sides and we get 11x = 0.
11x = 0
Divide both sides by 11.
x=0
The only mistake Megan made was when adding 5x with Megan accidentally subtracting 5x from the other side.
For this problem:
3(2x − 4) = 5x − 1
Distribute
6x - 12 = 5x - 1
Add 1 to both sides
6x - 11 = 5x
Subtract 6x from both sides
-11 = -x
Divide both sides by -1.
x = 11.
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Answer:
Step-by-step explanation:
2x² - 3x - 15 = 5
2x² - 3x - 20 = 0
Quadratic formula
x = [3 ± √(3² – 4·2(-20))] / [2·2]
= [3 ± √169] / 4
= [3 ± 13] /4
= -2.5, 4
Answer:
Step-by-step explanation:
x + 6y = 9
-x + 2y = -15
-------------------add
8y = - 6 <=== u see that the x terms cancel each other out
