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pychu [463]
3 years ago
5

You earn $180 in interest over 8 months at 3%. How much did you invest?​

Mathematics
1 answer:
MatroZZZ [7]3 years ago
4 0

Answer:

19.44 (I think)

Step-by-step explanation:

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In elementary algebra, a trinomial is a polynomial consisting of three terms or monomials.
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3 years ago
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Please help me thank you
Colt1911 [192]

Answer:

-2\frac{1}{10}

Step-by-step explanation:

So this is simple substitution, \frac{1}{2}(-\frac{1}{5})-\frac{2}{3}(3)=> -\frac{1}{10} - \frac{6}{3}=> -\frac{1}{10} - 2= -2\frac{1}{10}.

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Even would be helpful if you just gave me the equation to solve it and I can do the rest. mart had a sale for labor day on DVD's
erastova [34]

x - price of a video tape

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\left\{\begin{array}{ccc}2x+3y=134\\x+5y=179&|\text{subtract 5y from both sides}\end{array}\right\\\\\left\{\begin{array}{ccc}2x+3y=134\\x=179-5y&|\text{substitute to the first equation}\end{array}\right\\\\2(179-5y)+3y=134\qquad\text{use distributive property}\\\\(2)(179)+(2)(-5y)+3y=134\\\\358-10y+3y=134\qquad\text{subtract 358 from both sides}\\\\-7y=-224\qquad\text{divide both sides by (-7)}\\\\\boxed{y=32}\\\\\text{Put the value of y to the second equation}\\\\x=179-5(32)\\\\x=179-160\\\\\boxed{x=19}

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6 0
3 years ago
Determine the value of z for the system of equations.
Zolol [24]

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6 0
3 years ago
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16.
777dan777 [17]

Answer:

21,800 milliliters

Step-by-step explanation:

Here's a trick.

King Henry Died By Drinking Chocolate Milk.

King = Kilo, Henry = Hecto, Died = Deka, By = Base (liters, grams, meters), Drinking = Deci, Chocolate = Centi, Milk = Milli.

This helps to remember the order so you can move the decimal over the proper amount of times.

If you are starting at the base, and need to move to milli, you will move the decimal place 3 places to the right.

So for 21.8 liters = 21,800 milliliters

6 0
3 years ago
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