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Oliga [24]
3 years ago
8

April and Cody invest $5,000 each at their local bank. April invests at a 4% simple interest rate, and Cody invests at a 4% inte

rest rate, compounded annually. What is the difference in their account balances after three years?
Mathematics
1 answer:
maria [59]3 years ago
3 0

Answer:

  • $24.32

Step-by-step explanation:

<u>The difference in balances is:</u>

  • 5000*(1 + 0.04)^3 - 5000*(1 + 0.04*3) =
  • 5624.32 - 5600 =
  • 24.32
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The proportion equal to a/b = c/d is A.) A/C = B/D

We will know if a proportion is equivalent when its cross products are equal.

a/b = c/d where ad = bc

since ad = bc, a/c = b/d

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3 years ago
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Please explain 22 and 23
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Hey there!

  1. \bold{Mean\rightarrow your \ average}
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\bold{22.\downarrow}

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5 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIIEST 20 POINTS 6TH GRADE ASAP PLEASE
nignag [31]

Answer:

Both A and B

Step-by-step explanation:

For functions you are just trying to make sure all the x's are different.  

So let's look at A:  The x's there are all different so it is a function

Now let's look at B: The x's there are all different so it is a function.

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F(X)= 2x^2 +1. Find and simplify af(X)+b and f(ax+b)
kati45 [8]
Hello,

f(x)=2x²+1
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af(x)+b=a(2x²+1)+b=2ax²+a+b

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3 years ago
The perimeter of a particular square and the circumference of a particular circle are equal. What is the ratio of the area of th
oksano4ka [1.4K]
<h2>Ratio of area of the square to the area of the circle = π/4</h2>

Step-by-step explanation:

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The perimeter of a particular square and the circumference of a particular circle are equal.

Perimeter of square = 4 x a = 4a

Circumference of circle = 2πr

Given that

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We need to find the ratio of the area of the square to the area of the circle.

Area of the square = a²

Area of the circle = πr²

\texttt{Ratio of area of the square to the area of the circle =}\frac{a^2}{\pi r^2}\\\\\texttt{Ratio of area of the square to the area of the circle =}\frac{\left ( \frac{\pi r}{2}\right )^2}{\pi r^2}\\\\\texttt{Ratio of area of the square to the area of the circle = }\frac{\pi}{4}

Ratio of area of the square to the area of the circle = π/4

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