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KengaRu [80]
2 years ago
14

Mae currently has a balance of $8,484.79 in an account earning simple interest. Seventeen years ago she opened the account with

an initial deposit of $4,854. What is the interest rate on the account?
4.4%

2.5%

10.3%

5.9%
Mathematics
1 answer:
Firdavs [7]2 years ago
7 0
8484.79-4854=3,630.79,,3630.79=4854*17 r,,r=4.4%
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Parabolas in geometry. i need help please
natali 33 [55]

Answer:

OPtion B

Step by step explanation:

Lets plug in a random value for x.

Lets say 5 is x

-8(-5-5)=(y+1)^2

5-5 = 0

-8(0) = 0

0 = (y+1)^2

Square root of both sides

0 = y+1

subtract one from both sides

-1 = y

that means the x is 5 and the y is -1. Option B illustrates exactly that!

7 0
2 years ago
Compare the strengths and weaknesses of the horizontal and vertical methods for adding and subtracting polynomials. Include comm
Pavlova-9 [17]

Answer:

Overall vertical is visually better, if done correctly

it forces you to "line up" all the common exponents.

The disadvantage is that it usually requires re-writing the problem, and it takes up space.

most problems are presented horizontally, that becomes the issue to locate the common exponents.

in both cases the biggest issue is people forget

that when subtracting "subtracting a negative is like adding a positive"

-5x - (-8x)  = 3x [that is a positive 3x]

or:

     -7x

-    - 10x

-------------

     3x

everyone misses those eventually so you have to watch out for that in both methods

Step-by-step explanation:

5 0
3 years ago
F) The marked price of a radio is 25 % above the selling price and the cost pr
Ostrovityanka [42]

Answer:

See explanation below.

Step-by-step explanation:

Let's say, x represents the sale price of radio.

Then the marked price of the radio is 1.25x

The cost price of the radio is (1.25x)(0.70)

The discount is simply 25% because the radio is being sold at 25% less then the marked price.

The gain percent is given as:

\frac{x-1.25x\times \:0.70}{x}\times 100\\\\=12.5\%

The radio is being sold at 12.5% gain.

Best Regards!

8 0
3 years ago
Find the area and circumference of the 2 circles​
velikii [3]

Answer:

32, 45

Step-by-step explanation:

4 0
2 years ago
Okay so there isn’t a square root of -1/125 right?? Like- am I just missing something or..?
Dmitry_Shevchenko [17]
I don’t think so because I’m pretty sure you can not square a negative, the fraction is kinda throwing me off
7 0
2 years ago
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