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kipiarov [429]
3 years ago
15

Justin is 2 years older than one third Marcella's age. Aimee is four years younger than 2 times Justin's age. Define a variable

and write an expression to represent Justin's age. Then find Justin's age and Aimee's age if Marcella is 63 years old.

Mathematics
1 answer:
Mademuasel [1]3 years ago
7 0
Apologies if it’s dark but here’s the work for your question. If you need an explanation, let me know.

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The cost per credit hour at a community
AfilCa [17]

Answer:

$125

Step-by-step explanation:

$315-$190=125

5 0
3 years ago
If Steve multiplied his purchase price by 1.08 to get his total bill, what percent sales tax was he paying?
mart [117]
He paid 8% sales tax.
5 0
4 years ago
A sum of money is deposited in a bank which offers a simple interest rate of 0.325% per annum. At
frosja888 [35]

Answer:

50.000

Step-by-step explanation:

the formula to get ther is the following:

X + ( X * \frac{0.325}{100} * 4 ) = 50.650

X is the initial amount of money you need to find

4 are the years of interests

So, If you have interests, it means that some money will be added to yours. But how much?

The problem says that every year 0.325% of your initial amount will be added, so you will calculate that amount( X * \frac{0.325}{100}) and you multiply it by four.

All this added to your initial amount will be the final number you have 50.560

6 0
3 years ago
Find b, given that a = 20, angle A = 30°, and angle B = 45° in triangle ABC
Kamila [148]
<span>The side b is opposite to the angle B, applying the law of the sines, we have:

</span>\frac{a}{sinA} = \frac{b}{sinB}
\frac{20}{sin30^0} = \frac{b}{sin45^0}
\frac{20}{ \frac{1}{2} } = \frac{b}{ \frac{ \sqrt{2} }{2} }
20* \frac{ \sqrt{2} }{2}  = b* \frac{1}{2}
\frac{20 \sqrt{2} }{2} = \frac{b}{2}
2*b =2*20 \sqrt{2}
2b = 40 \sqrt{2}
b =  \frac{40 \sqrt{2} }{2}
\boxed{b = 20 \sqrt{2} }
6 0
3 years ago
Read 2 more answers
PLLLLLEASE I NEED HELP SO BADLY PLEASE ASAP PLEASE PLEASE T_T
olchik [2.2K]

Answer:

x^2+7x-8-\frac{3}{x-7}

Step-by-step explanation:

I think this question is a bit hard to explain by typing, so I'll add an image down below.  

I used long division for this question, and the final answer is: x^2+7x-8-\frac{3}{x-7}

4 0
2 years ago
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