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kolbaska11 [484]
3 years ago
15

Suppose you deposit ​$600 in a bank account with a simple interest rate of 2.5​%. You want to keep your deposit in the bank long

enough to earn at least ​$120 in interest. How long should you keep your deposit in the​ bank?
To earn at least ​$120 ​interest, you should keep your deposit in the bank for [blank] ​year(s).
​(Round up to the nearest​ year.)
Mathematics
1 answer:
aksik [14]3 years ago
5 0

1 ) the formula used to calculate the simple interest is

I = Ci*n,  f his formula you obtain n , that is the time in years  n = I/ Ci, where c is the initial  capital,  i is the  earned interest  , and i is he rate of interest,

n = 120/600 (0,025) = 120 / 15 =  8 , at 8 years, you will obtain $ 120 of INTEREST

You might be interested in
What is the common difference for this arithmetic sequence?54,50,46,42,38,...​
drek231 [11]

Answer:

Minus each number to figure out the common difference which is -4.

54-4= 50

50-4= 46

46-4= 42

42-4= 38

3 0
3 years ago
1. Vincent spent 4/7 of his money on a pair of shoes. The shoes cost $48. How much money did he have at first?
ra1l [238]
4/7 of his money = $48

1/7 of his money = $48 ÷ 4 = $12

7/7 of his money = $12 x 7 = $84

Answer: $84
3 0
3 years ago
Identify the constant of<br> proportionality (k)<br> 8Y = 16x<br> k=
RUDIKE [14]

Answer:

JUST WRITE THIS AS YOUR ANSWER

Step-by-step explanation:

Step 1: Put together the general equation.

Step 2: Solve for the constant of proportionality.

Step 3: Plugging the constant into the equation, solve for the unknown variable.

Let's solve a few problems to see how this works, shall we?

Example 1: Y is directly proportional to x. When x = 5, y = 8. What does y equal when x = 9?

First, we set up our general equation. Because y is directly proportional to x, we have:

y = cx

where c is the constant of proportionality. In other words, when x goes up, y goes up, and when x goes down, y goes down.

The next thing we do is plug our values for x and y into the equation so we can solve for c:

8 = (c)(5)

Solving for c, we get c = 8/5 = 1.6 and we plug this into our equation:

y = 1.6x

Now, we can plug x = 9 into the equation to find out what y equals:

y = (1.6)(9)

y = 14.4

So, our answer is 14.4

Example 2: Y is directly proportional to the square of x. When x = 2, y = 32. What does y equal when x = 5?

This time, our general equation is slightly more complicated because x is squared:

y = cx2

Like before, we solve for our constant:

32 = (c)(22)

32 = (c)(4)

We get c = 8:

y = 8x2

Solving for y when x = 5, we get y = (8)(52) = (8)(25) = 200

Example 3: Y is inversely proportional to x. When x = 2, y = 8. What does y equal when x = 24?

This time, because y is inversely proportional to x, our general equation is different:

xy = c

so when x goes up, y goes down, and vise versa. But, other than that, we solve these kinds of problems the same way as direct proportion problems. Solving for the constant, we get:

(2)(8) = c

So c = 16 and our equation is now:

xy = 16

Solving for y when x = 24 we get y = 16/24 = 2/3

Example 4: Y is inversely proportional to the square root of x. When x = 36, y = 2. What does y equal when x = 64?

As before, we set up our equation:

eq001

Since the square root of 36 is 6, it is easy to solve for c:

(6)(2) = c

We get c = 12 and our equation is now:

eq002

Solving for y when x = 64 we get 8y = 12 or y = 12/8 = 1.5 because the square root of 64 is 8.

6 0
2 years ago
Help me will give brain
Marat540 [252]

Answer:

Umm sure what you want..

3 0
2 years ago
Express 0.96 as a fraction
svp [43]
Since 6 is in the hundredths place,

96/100

You can divide that by two for a different, but equal fraction.

48/50, 24/25

24/25 is the simplest form.

I hope this helped you!
~kaikers
4 0
3 years ago
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